What is perforated cable tray?
What is perforated cable tray?
Perforated cable tray is a kind of cable tray with holes on bottom sheet and side rails for laying power and signal cables for the purpose of distributing electricity, signaling in industrial plants, department stores, gyms, hospitals, airports and other industries.
Do I need to bond cable tray?
If the tray is an exposed conductive part it requires earthing. If the tray is and extraneous conductive part it requires bonding.
Is code for perforated cable tray?
HSN Code 7301
| HS Code | Description | GST% |
|---|---|---|
| 73012090 | OTHERS Products Include: Anchor Fasteners, Chapter 73, Gi Perforated Cable Tray, Ms Frame, Steel Rule | 18% |
How often does cable tray need to be supported?
“Service Conductors” every 8 ft.
Can you splice in cable tray?
Splices are permitted in a cable tray if the splice is accessible and insulated by a method approved by the authority having jurisdiction (AHJ). Splices can project above the side rails of the cable tray if not subject to physical damage [Sec.
What is an example of an exposed conductive part?
For example, an electrical motor is an exposed conductive part, while his metal support is not an exposed conductive part, although in the event of a failure both can become live. Every exposed conductive part, in order to be adequately protected for indirect contact (Fault protection), have to be grounded.
What is the purpose of cable tray?
Cable trays are mechanical support systems that provide a rigid structural system for electrical cables, raceways, and insulated conductors used for electric power distribution, control, signal instrumentation, and communication. Metal cable trays are made of galvanized steel, stainless steel, and aluminum.
Where is cable tray used?
Cable trays are used as an alternative to open wiring or electrical conduit systems, and are commonly used for cable management in commercial and industrial construction.