When the armoured cable terminates at an appliance or junction box a gland is used. You must get the correct size and type of gland for the job at hand. If it is outside the gland must be waterproof.
Does Armoured cable need glands?
When the armoured cable terminates at an appliance or junction box a gland is used. You must get the correct size and type of gland for the job at hand. If it is outside the gland must be waterproof.
Can I use plastic glands on Armoured cable?
You may not have come across PVC Enclos or Plastic Rotary isolators but if you connect to them with SWA having a conductor available for an Earth then there is no requirment to connect the “insulated” armour to anything and if you do there will be no increase in safety, in fact you could introduce an earth path for ...
How do you install a cable gland?
Insert the right end of the gland into the cable and lay the peeled sheath or armour evenly around the gland. Reapply the nut and carefully tighten this using a spanner or similar tool in order to secure the gland in place.
Can you Joint Armoured cable?
Armoured Cable Joints are primarily used for joining two separate pieces or lengths of cable together. using a polyutherene, two part resin. ... The Joints are available in a wide variety of sizes as to suit any size cable .
Should Armoured cable be earthed?
Regardless of whether the armouring of a steel wire armoured cable (swa) is employed as a protective conductor or not, it should always be effectively earthed to ensure the requirements of ADS are met .
Should you earth Armoured cable at both ends?
Yes, the armour should be earthed at least at the “supply” end . This ensures that anything that penetrates the cable (saw, drill, etc) will be earthed before the live cores are reached, and is therefore less likely to become energised.
Why cable glands is required?
The main function of the cable gland is to be a sealing device which acts to ensure the protection of enclosures on electrical equipment , including by rendering safe different aspects like: Earth continuity. ... Cable glands provide additional levels of sealing where there is a need for high ingress protection.
Are cable glands waterproof?
A waterproof cable gland is a device used to aid in the connection of cables or wires within an electrical or electronic enclosure. The cable gland helps to maintain the watertight seal where the cable or wire enters the enclosure. ... Waterproof cable glands come in a range of sizes, materials and types.
What are the types of cable glands?
- Nylon Cable Gland. ...
- Stainless Steel Cable Gland. ...
- Nickel Plated Brass Cable Gland. ...
- Aluminum Cable Gland. ...
- Plastic Cable Gland. ...
- PVC Cable Gland. ...
- Waterproof Cable Gland. ...
- Explosion Proof Cable Gland.
What is cable size?
Cross sectional area of the conductor – sometimes called ‘cable size’ Given as mm2, it describes the total cross-sectional area of the copper conductor. Cable will be sized 1 mm2, 2 mm2, 4 mm2 etc. and may be written as 1 mm, 2mm, 4mm. This is not the diameter of the cable.
What is the size of cable gland?
| CABLE GLAND SIZE CHART | Conductor Size (mm 2 ) No. of Cores Approx. Overall Diameter (mm) | 1.5 2 12.3 | 3 12.8 | 4 14.0 |
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Can Armoured cable be repaired?
Self amalgamating tapes can be used to repair smaller sections of damaged SWA cable. ... To use self amalgamating tape for sheath repair, first, the cable must be prepared, which includes wiping clean the area and making sure it is completely dry.
Can you lay Armoured cable in water?
Armoured cables should not be installed in locations where they are liable to be immersed in water , such as on the floor of a crawl-way duct where water may collect in puddles. The ends of armoured cables should be kept sealed until ready for termination, to reduce the risk of water ingress.
How do you cut Armoured cable?
Place a saw blade at a 45-degree angle to the armor and begin sawing. You should place the saw blade on the armor where it’s beginning to pop up. Then gently pull the blade back and forth across the armor until it just cuts through. Be careful not to cut through the wires.
