The deadlift is a fundamental strength training exercise that targets multiple muscle groups, including the glutes, hamstrings, and lower back. It’s essential for building overall body strength, improving posture, and increasing muscle mass. There are several types of deadlifts, including those performed with bumper plates, dumbbells, and the widely-used deadlift with standard plates. Deadlifting with standard plates is especially common in gyms because it offers an affordable and practical option for lifters of all levels. Standard plates are typically smaller, compact, and provide a solid, stable base for the lift, making them a versatile choice for both beginners and advanced lifters looking to enhance their deadlifting technique and strength development.
What is a Deadlift with Standard Plates?
Definition and Setup
A deadlift with standard plates is a variation of the traditional deadlift performed using standard metal plates (often referred to as “iron” plates). These plates are typically 17.7 inches in diameter, which makes them smaller than bumper plates, allowing for a different barbell setup. Standard plates are usually made from cast iron, which is less expensive compared to the rubberized bumper plates typically used in Olympic lifting. To perform a deadlift with standard plates, the barbell is loaded with these traditional metal plates, and the lifter must set up their feet directly beneath the bar while keeping a strong, neutral posture to initiate the lift.
Advantages of Using Standard Plates
There are several key advantages to performing a deadlift with standard plates, especially for beginners or those working with limited space or budget.
Availability in Most Gyms
Standard plates are widely available in most commercial gyms and gym setups. Their common presence makes them an accessible choice for lifters who want to focus on strength training without the need for specialized equipment.
Lower Cost Compared to Bumper Plates
Standard plates are often more affordable than bumper plates, which are typically made with rubber or urethane and can be pricier. This makes deadlift with standard plates an economical option for those looking to build strength without breaking the bank.
Compact Design for Smaller Gyms
Standard plates have a smaller diameter compared to bumper plates, which makes them ideal for tighter spaces or gyms with limited height clearance. Their design allows for more flexibility in how they are stored and loaded on the barbell, which is an advantage for those who may not have large workout areas.
How to Perform a Deadlift with Standard Plates
Barbell Setup
To begin a deadlift with standard plates, it’s essential to set up the barbell correctly to ensure both safety and efficiency during the lift. First, position the barbell on the floor, ensuring it is centered and stable. When loading the bar with standard plates, start by placing the heavier plates closer to the center of the bar, with lighter plates on the outer edges. The bar should be at a height where the lifter can grip it with a slight bend in the knees, while their shins remain close to the bar (but not touching). This setup ensures the optimal starting position for the lift.
The height of the barbell with standard plates will depend on the diameter of the plates. Standard plates are typically thinner than bumper plates, so the bar will sit lower to the ground, which can impact your starting position. For beginners, this may feel slightly different, and adjustments to body mechanics may be needed. For advanced lifters, it’s crucial to ensure the bar height is suitable for your body type to avoid straining the lower back or other muscles.
Form and Technique
Executing a deadlift with standard plates requires proper form to maximize strength development and minimize the risk of injury. Proper posture is critical throughout the movement. Begin by positioning your feet approximately shoulder-width apart with the bar directly over the middle of your feet. As you bend down to grasp the bar, maintain a flat back by engaging your core and pulling your shoulders back and down. Your hips should be at a height where you can push through your heels while keeping a strong, neutral spine.
Step-by-step Instructions:
- Grip the Bar: With your hands placed just outside of your knees, grip the barbell with either an overhand or mixed grip (one palm facing up, the other facing down). Your arms should be straight, and your shoulders should be directly over the bar.
- Brace Your Core: Take a deep breath and brace your core as you prepare to lift. This will protect your spine and provide better overall strength during the lift.
- Lift-off: Push through your heels while simultaneously driving your hips forward. The bar should move in a straight line, close to your body, without any jerking motions. Keep your back flat and avoid rounding your shoulders as you lift.
- Lockout: At the top of the lift, your hips and knees should be fully extended, with your chest proud and shoulders back. Do not over-extend your lower back at this point, as this can lead to injury.
- Return the Bar: Lower the bar slowly and with control, keeping your back straight and your core engaged. Once the bar passes your knees, push your hips back to return to the starting position.
Common Mistakes to Avoid
When performing a deadlift with standard plates, several common mistakes can hinder progress or lead to injury. Here are some things to watch out for:
- Lifting Too Heavy Too Soon: Many beginners make the mistake of attempting to lift more weight than they can handle. This can lead to poor form and an increased risk of injury. It’s crucial to start with lighter weights and gradually increase the load as your form improves and strength develops.
- Poor Grip Strength: A weak grip can cause the bar to slip or create instability during the lift. Ensure your grip is firm and consistent. If grip strength is an issue, using chalk or wrist straps may help improve your hold. However, remember that developing grip strength is also an important part of the training process.
- Incorrect Bar Path: The bar should travel in a straight line up and down, staying close to your body. If the bar swings forward or away from you, it can create unnecessary stress on your back and hips. Keep the bar close to your shins and thighs as you lift and lower it.
By paying attention to these key details and following proper form, you can effectively perform a deadlift with standard plates and progress safely in your strength training journey.
Deadlift with Standard Plates:Glutes Engagement in Deadlifts with Standard Plates
Muscle Activation
One of the key benefits of performing a deadlift with standard plates is the activation of multiple muscle groups, with a strong focus on the glutes. The glute muscles play a crucial role in the movement, particularly during the lockout phase of the deadlift, where the hips drive the bar upwards. As you initiate the lift, your hamstrings and lower back engage to move the bar off the ground, but as you approach the top of the lift, your glutes take over, propelling the hips forward and fully extending your body.
A key part of deadlifts with standard plates is the hip thrust, which occurs when you push your hips forward at the top of the lift. This action forces the glutes to contract powerfully, helping you lock out the movement. By driving the hips forward, you not only engage the glutes but also activate the entire posterior chain, including the hamstrings, lower back, and even the calves. The more efficiently you can thrust your hips at the top of the lift, the better your glute engagement will be.
Benefits for Glute Development
Glute strength is essential not only for deadlifting but also for overall athletic performance and daily movements. The glutes are responsible for hip extension, which is involved in actions such as running, jumping, and standing up from a squat. Strong glutes contribute to better posture, improved athleticism, and injury prevention, as they provide stability to the pelvis and lower back.
Glute Strength and Athletic Performance
Glutes are responsible for hip extension, a motion involved in essential activities like running, jumping, and squatting. When your glutes are strong, you’ll experience improved performance in almost every sport or athletic endeavor. Whether you’re sprinting on the track or jumping in basketball, glute strength contributes to better power, speed, and explosive movements. In fact, many professional athletes specifically target the glutes to enhance their performance in sports that require lower-body strength and quick movements, such as soccer, football, and track and field events.
Glutes in the Deadlift with Standard Plates
When performing a deadlift with standard plates, the glutes are the primary muscles activated during the final lockout phase of the lift. This is the point where your hips fully extend, and your glutes are responsible for driving the movement, completing the lift, and standing tall. Deadlifts with standard plates involve both concentric and eccentric muscle actions — the glutes contract to lift the weight (concentric) and lengthen as you lower the bar back to the ground (eccentric). This dual-action is key for stimulating muscle growth and strength in the glutes.
One of the reasons deadlifts are so effective for glute development is that they recruit multiple muscle groups in one movement. While the glutes are a major focus, the hamstrings, lower back, and core are also engaged. This makes the deadlift a compound exercise that builds overall strength while specifically targeting the glutes for muscle growth. In fact, many strength training programs prioritize deadlifts for this reason — they provide an efficient and highly effective way to develop the posterior chain.
Maximizing Glute Activation in the Deadlift
While performing a deadlift with standard plates, it’s important to focus on your form to ensure optimal glute activation. Proper foot placement, bar positioning, and hip drive all contribute to how much your glutes are engaged throughout the lift.
To maximize glute activation:
- Start by positioning your feet hip-width apart and ensuring your weight is distributed evenly through the heels.
- Maintain a neutral spine and engage your core before initiating the lift.
- As you rise from the floor, drive through the heels and focus on pushing your hips forward, not just pulling with your back. This will activate the glutes more effectively during the lockout phase.
- Ensure that you are not relying too much on your lower back to complete the lift. Instead, focus on using the glutes and hamstrings to extend your hips.
By paying attention to these key details, you can maximize glute engagement and make faster progress in your glute development. Regularly training with deadlifts while keeping these tips in mind will result in stronger, more powerful glutes, as well as improved performance in sports and daily activities.
Form Adjustments to Maximize Glute Activation
To fully engage the glutes during a deadlift with standard plates, making subtle adjustments to your form can significantly enhance muscle activation.
- Proper Foot Placement and Bar Position: Start by positioning your feet shoulder-width apart, with the barbell centered over the middle of your feet. A slight bend in the knees should be maintained, and as you grip the bar, ensure that your hips are not too low or too high. For maximum glute engagement, aim for a position where the knees are slightly bent, but the hips are not too far below the bar. This creates the right angle for the glutes to engage as you lift. The closer your body is to the bar, the more efficiently the glutes will activate throughout the movement.
- Using the Hips to Drive the Movement: The key to fully activating the glutes during the deadlift with standard plates is driving the movement with your hips. As you begin to lift the bar, think about pushing your hips forward, rather than pulling with your back or arms. This will help shift the focus from your lower back to your glutes and hamstrings, promoting better form and muscle engagement. When you reach the top of the lift, squeeze your glutes tightly to lock out your body fully.
By making these form adjustments, you ensure that the glutes are the primary muscles engaged during the deadlift with standard plates, leading to stronger glutes, better posture, and improved overall strength.
Dumbbell Deadlift with Standard Plates and Barbell Deadlift with Standard Plates
Dumbbell Deadlift Overview
The dumbbell deadlift with standard plates is a variation of the traditional deadlift where instead of using a barbell, two dumbbells are used to perform the movement. This variation is especially beneficial for those who are new to deadlifting, have limited mobility, or are seeking a variation to their training routine. Dumbbells allow for a more controlled range of motion, which can be helpful for beginners or individuals working on improving their form. The flexibility in hand positioning also enables more natural arm movement and can reduce strain on the shoulders and lower back.
Dumbbell deadlifts are ideal for building unilateral strength, meaning they help correct imbalances between the left and right sides of the body. Since each hand holds an individual dumbbell, your body is required to work each side independently. This can be beneficial for addressing weaknesses or muscle imbalances, which may not be as easily identified with a barbell. Additionally, performing a dumbbell deadlift with standard plates can improve grip strength, as holding the dumbbells forces your hands to work harder to stabilize the weight.
Barbell Deadlift Overview
The barbell deadlift with standard plates is often considered the more effective exercise for building total-body strength. The barbell allows for the use of much heavier weights compared to dumbbells, which in turn stimulates greater muscle growth and overall strength. When you perform a barbell deadlift, the focus is not just on the posterior chain (glutes, hamstrings, and lower back), but on the entire body, including core stability, grip strength, and even the upper back.
The use of standard plates in a barbell deadlift typically results in a different range of motion compared to dumbbells. Due to the design of the barbell and the fact that the plates are stacked on either side, the weight is raised from the ground in a straight vertical line, which requires more force through the legs and hips. This linear motion is different from the dumbbell deadlift, where each weight is held separately and requires more lateral stability to prevent the weights from swaying or shifting.
Form
When performing a dumbbell deadlift with standard plates versus a barbell deadlift with standard plates, there are several differences in form that impact muscle activation, posture, and overall technique.
Posture
In a dumbbell deadlift with standard plates, the lifter often adopts a slightly more upright posture, as the dumbbells tend to stay closer to the body throughout the lift. This posture may reduce the stress on the lower back, but it may also limit the amount of weight that can be lifted due to the reduced leverage. In contrast, the barbell deadlift with standard plates requires the lifter to maintain a more bent-over position at the start of the lift. The barbell’s position in front of the body encourages greater hip and back involvement, which helps recruit the posterior chain more effectively.
Core Engagement
Both variations engage the core significantly, but the barbell deadlift with standard plates typically requires more core stability. This is because the barbell is a longer, heavier piece of equipment that challenges the core to maintain a stable, neutral spine throughout the lift. In contrast, the dumbbell deadlift with standard plates allows for a more natural sway of the arms, and although the core still plays an important role, the stability demands are slightly reduced.
Grip
In a dumbbell deadlift with standard plates, each hand holds an individual weight, which requires more focus on individual grip strength. This can be useful for strengthening your grip and working on muscular imbalances in your forearms. The barbell deadlift with standard plates, on the other hand, involves both hands gripping the same piece of equipment, making it easier to maintain a balanced and secure grip, especially as heavier weights are used. The mixed grip (one palm up, one palm down) can be employed in barbell deadlifts to enhance grip strength and prevent the bar from slipping.
Deadlift with Standard Plates:What is a Deficit Deadlift?
A deficit deadlift with standard plates is a variation of the traditional deadlift where the lifter stands on an elevated surface, such as a platform or blocks, which increases the range of motion during the lift. This setup essentially places the lifter in a deeper starting position, requiring them to pull the barbell from a lower height than in a conventional deadlift. The primary difference between a regular deadlift and a deficit deadlift is the additional distance the barbell travels before reaching the lockout position.
By using standard plates for deficit deadlifts, the lifter experiences an increased stretch and deeper hip flexion. This greater hip flexion allows for more engagement of the posterior chain, which includes the glutes, hamstrings, and lower back. The deeper range of motion also emphasizes muscle growth and strength development in these areas, as the lifter is forced to overcome more resistance during the initial phase of the lift.
This variation can significantly benefit those looking to improve their overall pulling power, especially in the bottom half of the lift. The deficit deadlift also helps improve flexibility and mobility in the hips and lower back, which is essential for increasing overall deadlift performance.
How to Safely Perform Deficit Deadlifts
Performing a deficit deadlift with standard plates requires a few extra steps compared to a regular deadlift, and safety should always be a priority. Here’s how to safely execute the movement:
- Set up the elevated platform: To create a deficit, place a platform, weight plates, or blocks underneath your feet. The height of the platform should be sufficient to increase the range of motion but not so high that it compromises your form or mobility. Typically, 1 to 2 inches of elevation is ideal for most lifters.
- Barbell Setup: Load the barbell with standard plates, ensuring that the total weight is appropriate for your experience and strength level. When setting up the barbell, make sure it’s centered, and your feet are positioned at shoulder-width apart. Keep the bar close to your shins and ensure the barbell is even on both sides.
- Foot Placement: Position your feet on the platform with your toes pointed slightly outward. The increased deficit will require more mobility, so you should ensure that your feet are solidly planted and aligned properly.
- Form and Technique: Start the lift by driving your hips back and lowering your torso while maintaining a neutral spine. Focus on keeping your core tight and your chest up as you initiate the movement. Your hips should rise in sync with your chest as you push through your heels and extend your hips at the top. The key is to drive through the posterior chain without rounding your back or using excessive momentum.
- Breathing: As with any deadlift variation, it’s important to breathe correctly. Take a deep breath before initiating the lift, brace your core, and exhale at the top when fully locked out.
While the deficit deadlift with standard plates can offer a great challenge, you must focus on mobility and proper technique. Always warm up thoroughly before attempting heavier lifts, and if you’re new to deficit deadlifts, start with a lower elevation to build up confidence and control.
When to Use Deficit Deadlifts
The deficit deadlift with standard plates is beneficial for a variety of lifters, including powerlifters, athletes, and individuals looking to improve their deadlift performance or overall posterior chain strength. Here are some key instances when you might incorporate deficit deadlifts into your routine:
- For Powerlifters: If you’re training for powerlifting and want to improve your lockout strength or bottom-end power in the deadlift, deficit deadlifts are an excellent tool. The increased range of motion forces the lifter to generate more power and improve their pulling mechanics, particularly in the initial phase of the lift. This can translate to improved deadlift performance in competition, as well as better training for overcoming plateaus.
- For Athletes: Athletes who require strong posterior chain development, such as sprinters, football players, or rugby players, can benefit from the additional muscle engagement provided by the deficit deadlift. The increased range of motion helps develop greater hip flexibility and overall strength, which are critical for sprinting, jumping, and other explosive movements.
- For Improving Pull Depth: If your deadlift struggles in the initial pull off the floor or in getting out of the “dead stop” position, incorporating deficit deadlifts can help improve that portion of the lift. By working through a greater range of motion, you can strengthen the muscles involved in the first pull, making it easier to break the bar from the floor and work through the sticking point.
- For Mobility and Flexibility: The deficit deadlift with standard plates can also be beneficial for individuals who are working on improving their hip mobility and lower back flexibility. The deeper range of motion in the hips can help increase flexibility over time, which is vital for overall movement quality and injury prevention.
Incorporating deficit deadlifts with standard plates into your training can provide a significant boost in overall strength, muscle activation, and technique. However, it’s important to use the variation strategically to complement your regular training routine and avoid overloading your muscles or joints too quickly. By focusing on proper form and gradually increasing the deficit and weight, you can see substantial gains in your deadlifting power and overall athletic performance.
Deadlifting Without Bumper Plates: Pros and Cons of Deadlift with Standard Plates
Advantages of Deadlifting with Metal Plates
Deadlift with standard plates (metal plates) is a common practice in many gyms, and it comes with several advantages that make it an appealing choice for lifters, especially those working with a limited budget or space.
Lower Cost
One of the biggest advantages of deadlifting with standard plates is the cost. Metal plates are generally much more affordable than bumper plates, making them a more accessible option for lifters, particularly those who are just starting out or for gym owners with limited financial resources. The cost-effectiveness is also appealing for gym setups where budget constraints are a factor.
Availability
Standard plates are widely available in most commercial gyms, unlike bumper plates, which can be less common and more expensive. This accessibility makes it easier for lifters to train on this type of equipment without worrying about specific gear availability. It is highly likely that whether you’re lifting at a commercial gym or using a local fitness center, you’ll find standard metal plates as the primary option for deadlifts.
Compact Design
Standard plates typically have a smaller diameter compared to bumper plates. This means they take up less space on the barbell, which can be beneficial in more crowded gym environments. In smaller gyms or setups, the compact design allows for more flexibility when loading the barbell with multiple plates, making it easier to achieve higher loads.
However, it’s important to note that lifting with standard plates does come with certain challenges and considerations, especially compared to bumper plates. These considerations primarily relate to safety, particularly in the case of dropping the weights.
Challenges of Deadlifting Without Bumper Plates
Although there are advantages to deadlifting with standard plates, this approach presents a few challenges that should be taken into account, especially when performing heavy lifts.
- Potential for Damaging Equipment: Unlike bumper plates, which are made of rubber or urethane and are designed to absorb impact when dropped, standard plates are made of metal and can cause significant damage to the floor or barbell if dropped. If a lifter loses grip during a deadlift or is unable to control the barbell at the end of the lift, the metal plates can potentially crack the floor or even dent or damage the barbell. This is particularly concerning in gyms with expensive flooring or high-quality barbells.
- Risk of Injury: The risk of injury when lifting with standard plates is higher if the lifter is not careful with their form. Since these plates are not designed for dropping, improper technique or excessive weight may lead to the lifter being unable to safely control the barbell during the lift. This can increase the risk of back injuries or other lifting-related strains.
- Limited Options for Intense Training: While standard plates are a great option for most general strength training, they are not ideal for certain types of intense lifting, such as Olympic weightlifting or powerlifting. These disciplines often require the ability to drop the barbell safely from overhead or during heavy lifts, which standard plates don’t accommodate. Without bumper plates, this type of training could be restricted to safer environments where dropping weights is either not allowed or impractical.
Alternatives and Solutions
If you are committed to deadlifting with standard plates, there are several solutions to mitigate the challenges associated with their use.
- Using Mats or Platforms: One of the most effective ways to protect the floor when deadlifting with standard plates is by using thick mats or lifting platforms. These mats help absorb the impact when dropping the barbell and prevent damage to the floor and barbell. If you’re lifting in a gym or in a commercial facility that doesn’t allow the use of bumper plates, investing in a quality lifting mat or platform is a good solution.
- Barbell Collars and Weight Locks: Another precaution is using proper barbell collars and weight locks. These accessories help secure the standard plates on the barbell, reducing the risk of them slipping off during the lift. Properly locking the plates in place also prevents uneven weight distribution, which can compromise lifting form and safety.
- Why Bumper Plates Are Better for Certain Environments: While standard plates are ideal for general strength training, bumper plates are much better suited for Olympic lifting or other lifts where dropping the barbell is a necessary part of the movement. Bumper plates are designed to withstand the impact of being dropped from overhead or during heavy lifts, making them ideal for environments where the safety of the barbell and the surrounding equipment is a priority. If you’re training for Olympic lifts or need to drop heavy weights from a height, investing in bumper plates is the safer choice.
- Consider Training with Controlled Lifting: If you are committed to deadlifting with standard plates but wish to reduce the risk of damage, it’s important to practice controlled lifting. This means focusing on perfecting your grip, strength, and technique to ensure that the barbell doesn’t fall uncontrollably during heavy lifts. While this may take more effort, it significantly reduces the chance of injury or equipment damage.
FAQs about Deadlift with Standard Plates
Yes, you can absolutely deadlift with regular plates, also known as standard metal plates. In fact, this is a common practice in many gyms. Regular plates are typically made of steel and have a smaller diameter compared to bumper plates. The key advantage of using regular plates is their affordability and availability, as most gyms are stocked with them. However, there are a few things to consider when deadlifting with regular plates.
First, you’ll want to ensure that the plates are securely fastened to the barbell to prevent slipping during the lift. Using proper collars or clamps is crucial to maintaining safety. Unlike bumper plates, which are made of rubber and designed for dropping, regular plates are made of metal, so they don’t have the same shock-absorbing qualities. This means dropping the barbell or setting it down too roughly can damage the floor or barbell. If you’re lifting in a gym that doesn’t allow dropping weights, it’s important to focus on controlled movements to prevent accidents. So, while it’s safe to deadlift with regular plates, extra caution should be exercised when using them.
A 315-pound deadlift refers to the total amount of weight on the barbell, including both the barbell itself and the weight plates. In a standard gym setup, a barbell weighs 45 pounds (20.4 kg). To reach 315 pounds, you would need to load the barbell with an additional 270 pounds of weight.
This means using:
Two 45-pound plates on each side of the barbell (90 pounds total)
Four 45-pound plates in total (180 pounds total)
The 45-pound barbell (45 pounds)
This would bring the total to 315 pounds. So, to break it down: 315 pounds = 45 lbs (barbell) + 4 x 45 lbs plates. In terms of plate count, this is six plates total: four 45-pound plates and two on the bar.
The 315-pound deadlift is a significant milestone for many lifters and represents a high level of strength, particularly for intermediate to advanced trainees. For beginners, it may take some time to reach this weight, but it serves as a good goal in terms of strength progress.
Yes, a 225-pound deadlift is considered a respectable lift, particularly for those who are relatively new to lifting or are still in the early stages of strength training. For a beginner, deadlifting 225 pounds is a solid achievement and indicates that you have developed a reasonable amount of strength and proficiency in the movement.
For a 145-pound individual, a 225-pound deadlift would represent approximately 1.5 times their body weight, which is impressive. As you progress in your lifting journey, you can expect to increase your deadlift numbers, but it’s essential to focus on mastering technique and form first. In strength training, it’s not just about the weight; it’s about making steady, consistent progress while minimizing the risk of injury.
For intermediate and advanced lifters, a 225-pound deadlift may be less of a challenge, but for beginners, it’s a great starting point. Everyone progresses at their own rate, and setting a goal of reaching 225 pounds is a solid benchmark for those starting their deadlift journey.
A 350-pound deadlift is considered an impressive achievement for most individuals, and it would be classified as a good lift, especially for intermediate lifters. Whether it’s “good” or not depends on factors like your body weight, training experience, and lifting goals.
For a person weighing around 160–180 pounds, lifting 350 pounds in a deadlift is a solid indicator of strength. If you are in the 200–220 lb weight class, hitting a 350-pound deadlift would still be a respectable performance, but you may need to push beyond that for advanced or elite lifting levels. The general strength standards for deadlifts vary by age, gender, and experience, but 350 pounds is considered a high achievement for most recreational lifters.
For advanced athletes or competitive powerlifters, a 350-pound deadlift might not be quite as impressive, as they typically aim for much higher numbers. However, for the average gym-goer, hitting 350 pounds is an excellent target and shows a significant level of dedication and strength. If you’re not quite there yet, keep working on technique and gradually increasing your load, and you’ll get there!
Welcome! I’m Jordan Mitchell, the dedicated editor at Leadman Fitness, where we specialize in manufacturing high-quality bumper plates, barbells, weight machines, kettlebells, and dumbbells. With a passion for fitness and a keen eye for detail, I ensure that our product information is clear, accurate, and engaging for our customers. My role involves collaborating closely with our design and production teams to highlight the innovative features and superior craftsmanship that set Leadman Fitness apart in the industry. Whether you’re a professional athlete or a fitness enthusiast, I’m here to provide you with the information you need to achieve your training goals with our top-of-the-line equipment.