Definition of ‘cable trunking’ Cable trunking is an enclosure usually with a rectangular cross section, and with one removable or hinged side, that is used to protect cables and provide space for other electrical equipment.

What are trunking types?

Various Types and Sizes of Trunking

  • Plastic like PVC.
  • Stainless steel.
  • Silver enamel on zinc coating.
  • Grey enamel on zinc coating.
  • Hot dipped galvanized coating.




What is the difference between trunking and conduit?

As nouns the difference between trunking and conduit

is that trunking is all the electrical and communications cables bundled together and distributed through a building while conduit is a pipe or channel for conveying water etc.

What are the sizes of trunking?

PVC-U Trunking

  • 10 x 8mm to 38 x 38mm. An economical feeder trunking system which features easy accessibility for wiring and re-wiring. …
  • 50 x 50mm to 150 x 150mm. A mid-size feeder and distribution trunking that can be subdivided to carry power and data. …
  • 105 x 105mm. …
  • 180 x 57mm. …
  • 100 x 50mm. …
  • 140 x 50mm. …
  • 167 x 50mm. …
  • 167 x 50mm.

What is the difference between cable tray and trunking?





1) Cable tray is not covered on top, regular holes in flat wide bottom with both sides little raised to hold slipping of cable and holes in bottom to connect another tray as required length. 2) Cable trunk is rectangular/ square c/s like U shape with cover on top. Good answer By engadesan Kandhasamy.

What is conduit cable?

Electrical conduit is a tubing system that is designed to route and protect wiring and cabling within a building or fixed structure. Usually installed into a wall rather than being surface mounted, cable conduit is designed to prevent damage from sharp objects, impact or moisture.

What is the difference between conduit and cable?

A conduit is a hollow tube that wires are pulled through during installation. This differs from cable, which is a group of wires encased inside a flexible protective sheathing. The most common type of cable used in home wiring is non-metallic (NM), or Romex, cable.

What are the disadvantages of trunking?

(v) Trunking system has a long life. Disadvantages (i) Expensive compare to other wiring systems. (ii) Care and good workmanship are needed to ensure a successful, installation.

What are the different types of wiring?



5 Different Types of Electrical House Wiring Systems

  • Cleat Wiring. This wiring comprises of PVC insulated wires or ordinary VIR that are braided and compounded. …
  • Casing and Capping Wiring. …
  • Batten Wiring. …
  • Lead Sheathed Wiring. …
  • Conduit Wiring.

Is surface wiring legal?

It is important to realize that surface wiring is only an acceptable practice indoors, and poses many safety concerns when implemented outside.

What is cable Raceway?



A raceway, in cable management parlance, is essentially any rigid enclosed or semi-enclosed channel that protects, routes and hides cables and wires. Surface raceway is an excellent choice for concealing unsightly wires in a number of settings: home theaters, offices, conference rooms, workstations, and more.

What are the different types of cable trays?

Cable trays are made of either steel, aluminium or fibber reinforced plastic (FRP) and are available in six basic types,

  • Ladder Type Cable Tray.
  • Solid Bottom Cable Tray.
  • Trough Cable Tray.
  • Channel Cable Tray.
  • Wire Mesh Cable Tray.
  • Single Rail Cable Tray.

What is a cable runway?

Support backbone and horizontal cables between the point of entry and exit into the telecommunications or equipment rooms and cross-connects on racks or cabinets with CPI Cable Runway Products. A wide selection of supports, splices and accessories are available.

What is cable management on a desk?



A cable management compartment like a tray or raceway attaches to the underside of your desk and helps you both guide and hide cables. Popular cable management compartments are the IKEA Signum and the J Channel from Amazon. Grab one and slap it under your desk and bam, your desk now has cable management features.

What stops cable from spilling off the ladder rack runway?

Cable Retaining Post for 1.5 in. Wide Cable Runway, Straight and 90-Degree – Hardware Included. Increases the volume of cabling running through your cable ladder system and prevents it from spilling over the sides of the runway.

Can you install cable tray upside down?

It is not acceptable to install any wiring system in such a manner that it does not provide adequate support. That said there is no objection to tray being used vertically (BYB page 342 installation methods 31 and 32).

How far apart should cable tray supports be installed?

Generally speaking, cables of different categories are laid on different cable trays. High Voltage cables are always laid on separate cable trays which are at least 30 cm from the Low Voltage cables and at least 80 cm from the Extra Low Voltage Installation cables.

Can you stack cables in cable tray?



Cables 250 kcmil to 1000 kcmil are not required to be installed in a single layer and are permitted to be stacked in multiple layers or bundled. For this reason Table 392.10(A) is used to determine cable tray width.