What is a 4 core cable used for?
What is a 4 core cable used for?
4mm 4 Core Armoured Cable is a form of electrical cable that has the ability to supply mains electrical power to devices and networks.
What Colour is neutral in 4 core cable?
The live core, which was red, has changed to brown; while the neutral core, which was black, has changed to blue. These are the colours that have been used in flex for many years.
What are the Colours in 4 core cable?
BS 6346, BS 5467 or BS 6724
| Cable type | Old core colours | New core colours |
|---|---|---|
| Two-core | Red, black | Brown, blue |
| Three-core | Red, yellow, blue | Brown, black, grey |
| Four-core | Red, yellow, blue, black | Brown, black, grey, blue |
| Five-core | Red, yellow, blue, black, green-and-yellow | Brown, black, grey, blue, green-and-yellow |
What are the 4 wires in a cable?
A four-wire electrical line has a red hot wire, a black hot wire, a white common wire and a ground wire. A two-wire line is usually a black hot wire and a white common wire.
What is GREY wire in 4 core cable?
grey ( brown sleeving ) – live / switchlive. If the cable cores are correctly identified at each end with the relevant colour sleeving to indicate the core function then technically any core can be used for any function, as long as its identified as doing so.
Can you use 4 core cable for lighting?
Such lighting circuits are commonly known as ‘two way’ light circuits and are quite easy to install. The two switches need to be of a ‘change-over’ type. The cable to the switches needs to be 4 core lighting cable, 3 insulated cores and earth.
What is grey wire in 4 core cable?
Can I use a 3 prong outlet with 4 wires?
1 Answer. No, you absolutely should NOT connect the grounded (neutral) conductor to the grounding (earth) conductor. If you have two ungrounded ( hot ) conductors, and you only want to use one. You can simply cap the unused conductor using a twist-on wire connector, or similar device.
Can I use 2.5 cable for lighting?
2.5mm should be fine so long as the breaker is <= 10a. In fact it’s actually quite a good idea as it will help with volt drop. Personally I would say that he must have some other reason for insisting on this as no spark in his right mind would get busted up over the cable size being too big.