Cable pulling device

Laying cables and lines can be very tedious, especially when they have to be routed through walls, empty pipes or around inaccessible corners. Cable pulling systems help here. But how do you use them? What should you pay attention to when buying? And which system is best suited to your circumstances. We answer frequently asked questions and give a small overview of the different systems on the market.

Laying or replacing wiring is done in different ways and is subject to certain rules. Regardless of the choice of wiring and compliance with all safety regulations, the installation method depends primarily on local conditions. When a building is under construction, the electrical wiring is often laid at an early stage. As long as the walls and ceilings are still open or the floor construction has not yet been completed, the installation usually does not pose a challenge.

Rules for laying

Electrical lines are laid only horizontally, vertically and at right angles. Crossings are to be avoided. The distance to the floor and ceiling should be at least 15 cm, to doors and windows 10 cm and to other installations at least 3 cm.


These rules will help you find hidden cables in the wall and plan new cable routes. However, it is not always possible to lay the lines during early construction stages. Then empty pipes are provided, in which later the cables have to be drawn. Even with renovation work, refurbishment or conversions, floors, ceilings and walls are usually already in place. Renewing the electrical installation is often more difficult in these cases because either pipes that are already in use are given additional lines or the routes have to be based on the premises. If you don't have professional equipment at hand, 'threading' the cables through walls and around corners quickly becomes a tedious test of patience. In some situations laying without tools is even impossible. Cable pulling systems make your work easier and speed up the completion of the installation.

What are cable pulling systems?

A cable laying device or cable puller is a special tool that is often required when laying cable systems for electricity, telephone or computer networks. It is a stiff yet flexible rod with special properties. Typically, the rod is wound on a drum but assumes a straight shape when unwound. The device is used to install a cable through hard-to-reach places. These include, for example:

  • metal pipes and plastic pipes
  • Cable ducts and electrical boxes
  • Voids under the roofing material or behind wall panels
  • passageways in concrete floors
  • and more

 

In order to understand how a cable pulling system works, we must first look at its structure. So you want to run a cable and you are faced with the following situation: You want the cable to enter one point in an architectural structure and emerge from another point. The distance between the two points can be a few centimeters, but also several tens of meters. Along the way, the cable may have to negotiate elevation changes, bends, and other obstacles. Commonly, a power cable or data cable is for:

  • either too stiff to pass the obstacles and bends
  • or too flexible to not twist or loop as it travels through the lumen

 

It is therefore necessary to first guide a suitable tool through the route and then use it to pull the required cable through. This is where the flexible rod comes into play.

This rod is also referred to as a pull-in wire. Various tools can be attached to its tip. In order to find the way, guide heads with different diameters can be mounted. These have the shape of balls and generate only a minimum of friction when 'threading'. This reduces the risk of snagging on irregularities inside the cavity or pipe. When you reach the other end of the route, swap out the guide head for a towing eye or cable sock. With these tools, the cable to be laid is fixed to the pull-in wire. If you now pull back the rod / the pulling-in wire, the power cable or the data cable is automatically pulled with it.

Source: eibabo®, Runpotec 10088 Power Rex cable pulling deviceImage: Runpotec 10088 Power Rex cable pulling device

What material should the cable pulling rod be made of?

In order to make it as easy as possible to guide the pull-in wire through a structure, it should have certain properties. On the one hand, it must be stable enough to always keep its direction. On the other hand, it must also be flexible enough to overcome all obstacles. The devices for pulling cables are therefore made of steel, fiberglass or nylon (polyamide).

Steel pull-in wires are steel cables with a polyamide sheath. These do not stretch and can withstand heavy loads when pulling power lines in hard-to-reach areas. The main area of application is bridging larger distances in cable ducts. The disadvantage of the steel variants is the formation of loops if they have been wound on the drum for a long time.

Fiberglass rods have increased rigidity and retain their straight shape even after being coiled for many years. As a result, their field of application is limited to straight routes with maximum gentle bends. Tight curves and high stresses lead to buckling, cracking or breaking of the material.

Nylon rods are beneficial when maximum flexibility is required. In addition, this material is non-conductive, allowing installation in ducts with already live cables. These are used in narrow, small-diameter shafts, as their cross-section is often less than 5 mm.

What should I consider when buying cable pull systems?

In addition to choosing the right material for the draw-in wire, its length and diameter are of course an important selection criterion. Useful lengths start at 5 meters. However, here in the shop you can also get products with a length of several hundred meters. Please note that the pulling wire never runs straight through the route, but always makes certain waves. Therefore, always choose a length that is at least 20% longer than the actual length of the route. The diameter of the pull-in wire influences its flexibility on the one hand and its suitability for use in tight spaces on the other. Choose a compromise that suits you.

Please pay attention to the way the pull-in wire is attached to the cable. There are several options here. Choose from connecting sleeves, clamps, pull loops or cable grips for the respective cable diameter. Ideally, the pull-in wire and the diameter of the connection point should be thinner than the cable. This avoids unnecessary snagging when pulling through bottlenecks.

 


This is how you save

Some cable pulling systems offer different tools for fixing the cables as a set. So you are well equipped for all situations.


 

Long cable pullers come with special spools that prevent snagging. In such cases, weight must also be taken into account. A trolley makes handling easier, especially when the device is in daily use.

With these tips, you can quickly and easily pull cables through cable ducts, empty pipes, existing cable ducts and through molded bricks. Save time and lay the lines in no time thanks to this innovative technology. At eibabo®, we offer cable pulling devices with robust polyester pull-in straps, with pull-in wires made of glass fiber or steel cables. In addition to complete sets, our range also includes end sleeves, individual tapes and rods, ropes and wires as well as accessories and other spare parts. We offer you inexpensive and high-quality products from many well-known manufacturers such as Runpotec, HellermannTyton, Cimco, Klauke, Lapp and Bachmann.

 

eibabo - technology store

 

Catalogue content:


In this eibabo® catalogue Hand tools > Cable pulling system you will find items from the following product groups:

Item overview:

  • Brass sleeve
  • Cable management head
  • Cable pilot
  • Cable pulling
  • Cable pulling device
  • Cable pulling gun
  • Cable pulling tool
  • Cable stocking
  • Cable tape
  • Feed system
  • Feeding system
  • Fiber optic cable pulling system
  • Fiberglass replacement tape
  • Fish tape
  • Guide sleeve
  • Leadership spiral
  • Leading head
  • Plastic fish tape
  • Plastic puller
  • Polyester tape
  • Pull-in aid
  • Replacement fiberglass strap
  • Retractable spiral
  • Spare roll
  • Spare stick
  • Spiral puller
  • Start bulb
  • Starting sleeve


from the following manufacturers:

Manufacturer overview catalogue Cable pulling device:

  • Bachmann
  • Cimco
  • E+P Elektrik
  • Hellermann Tyton
  • Klauke
  • Lapp
  • Runpotec


 
Laying cables and lines can be very tedious, especially when they have to be routed through walls, empty pipes or around inaccessible corners. Cable pulling systems help here. But how do you use... read more »
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Cable pulling systems – electrical installation made easy

Laying cables and lines can be very tedious, especially when they have to be routed through walls, empty pipes or around inaccessible corners. Cable pulling systems help here. But how do you use them? What should you pay attention to when buying? And which system is best suited to your circumstances. We answer frequently asked questions and give a small overview of the different systems on the market.

Laying or replacing wiring is done in different ways and is subject to certain rules. Regardless of the choice of wiring and compliance with all safety regulations, the installation method depends primarily on local conditions. When a building is under construction, the electrical wiring is often laid at an early stage. As long as the walls and ceilings are still open or the floor construction has not yet been completed, the installation usually does not pose a challenge.

Rules for laying

Electrical lines are laid only horizontally, vertically and at right angles. Crossings are to be avoided. The distance to the floor and ceiling should be at least 15 cm, to doors and windows 10 cm and to other installations at least 3 cm.


These rules will help you find hidden cables in the wall and plan new cable routes. However, it is not always possible to lay the lines during early construction stages. Then empty pipes are provided, in which later the cables have to be drawn. Even with renovation work, refurbishment or conversions, floors, ceilings and walls are usually already in place. Renewing the electrical installation is often more difficult in these cases because either pipes that are already in use are given additional lines or the routes have to be based on the premises. If you don't have professional equipment at hand, 'threading' the cables through walls and around corners quickly becomes a tedious test of patience. In some situations laying without tools is even impossible. Cable pulling systems make your work easier and speed up the completion of the installation.

What are cable pulling systems?

A cable laying device or cable puller is a special tool that is often required when laying cable systems for electricity, telephone or computer networks. It is a stiff yet flexible rod with special properties. Typically, the rod is wound on a drum but assumes a straight shape when unwound. The device is used to install a cable through hard-to-reach places. These include, for example:

  • metal pipes and plastic pipes
  • Cable ducts and electrical boxes
  • Voids under the roofing material or behind wall panels
  • passageways in concrete floors
  • and more

 

In order to understand how a cable pulling system works, we must first look at its structure. So you want to run a cable and you are faced with the following situation: You want the cable to enter one point in an architectural structure and emerge from another point. The distance between the two points can be a few centimeters, but also several tens of meters. Along the way, the cable may have to negotiate elevation changes, bends, and other obstacles. Commonly, a power cable or data cable is for:

  • either too stiff to pass the obstacles and bends
  • or too flexible to not twist or loop as it travels through the lumen

 

It is therefore necessary to first guide a suitable tool through the route and then use it to pull the required cable through. This is where the flexible rod comes into play.

This rod is also referred to as a pull-in wire. Various tools can be attached to its tip. In order to find the way, guide heads with different diameters can be mounted. These have the shape of balls and generate only a minimum of friction when 'threading'. This reduces the risk of snagging on irregularities inside the cavity or pipe. When you reach the other end of the route, swap out the guide head for a towing eye or cable sock. With these tools, the cable to be laid is fixed to the pull-in wire. If you now pull back the rod / the pulling-in wire, the power cable or the data cable is automatically pulled with it.

Source: eibabo®, Runpotec 10088 Power Rex cable pulling deviceImage: Runpotec 10088 Power Rex cable pulling device

What material should the cable pulling rod be made of?

In order to make it as easy as possible to guide the pull-in wire through a structure, it should have certain properties. On the one hand, it must be stable enough to always keep its direction. On the other hand, it must also be flexible enough to overcome all obstacles. The devices for pulling cables are therefore made of steel, fiberglass or nylon (polyamide).

Steel pull-in wires are steel cables with a polyamide sheath. These do not stretch and can withstand heavy loads when pulling power lines in hard-to-reach areas. The main area of application is bridging larger distances in cable ducts. The disadvantage of the steel variants is the formation of loops if they have been wound on the drum for a long time.

Fiberglass rods have increased rigidity and retain their straight shape even after being coiled for many years. As a result, their field of application is limited to straight routes with maximum gentle bends. Tight curves and high stresses lead to buckling, cracking or breaking of the material.

Nylon rods are beneficial when maximum flexibility is required. In addition, this material is non-conductive, allowing installation in ducts with already live cables. These are used in narrow, small-diameter shafts, as their cross-section is often less than 5 mm.

What should I consider when buying cable pull systems?

In addition to choosing the right material for the draw-in wire, its length and diameter are of course an important selection criterion. Useful lengths start at 5 meters. However, here in the shop you can also get products with a length of several hundred meters. Please note that the pulling wire never runs straight through the route, but always makes certain waves. Therefore, always choose a length that is at least 20% longer than the actual length of the route. The diameter of the pull-in wire influences its flexibility on the one hand and its suitability for use in tight spaces on the other. Choose a compromise that suits you.

Please pay attention to the way the pull-in wire is attached to the cable. There are several options here. Choose from connecting sleeves, clamps, pull loops or cable grips for the respective cable diameter. Ideally, the pull-in wire and the diameter of the connection point should be thinner than the cable. This avoids unnecessary snagging when pulling through bottlenecks.

 


This is how you save

Some cable pulling systems offer different tools for fixing the cables as a set. So you are well equipped for all situations.


 

Long cable pullers come with special spools that prevent snagging. In such cases, weight must also be taken into account. A trolley makes handling easier, especially when the device is in daily use.

With these tips, you can quickly and easily pull cables through cable ducts, empty pipes, existing cable ducts and through molded bricks. Save time and lay the lines in no time thanks to this innovative technology. At eibabo®, we offer cable pulling devices with robust polyester pull-in straps, with pull-in wires made of glass fiber or steel cables. In addition to complete sets, our range also includes end sleeves, individual tapes and rods, ropes and wires as well as accessories and other spare parts. We offer you inexpensive and high-quality products from many well-known manufacturers such as Runpotec, HellermannTyton, Cimco, Klauke, Lapp and Bachmann.

 

eibabo - technology store

 

Catalogue content:


In this eibabo® catalogue Hand tools > Cable pulling system you will find items from the following product groups:

Item overview:

  • Brass sleeve
  • Cable management head
  • Cable pilot
  • Cable pulling
  • Cable pulling device
  • Cable pulling gun
  • Cable pulling tool
  • Cable stocking
  • Cable tape
  • Feed system
  • Feeding system
  • Fiber optic cable pulling system
  • Fiberglass replacement tape
  • Fish tape
  • Guide sleeve
  • Leadership spiral
  • Leading head
  • Plastic fish tape
  • Plastic puller
  • Polyester tape
  • Pull-in aid
  • Replacement fiberglass strap
  • Retractable spiral
  • Spare roll
  • Spare stick
  • Spiral puller
  • Start bulb
  • Starting sleeve


from the following manufacturers:

Manufacturer overview catalogue Cable pulling device:

  • Bachmann
  • Cimco
  • E+P Elektrik
  • Hellermann Tyton
  • Klauke
  • Lapp
  • Runpotec
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