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I've been working in a shop today just replacing some lamps and fittings.
I had to replace a 2D light fitting that was at the bottom of a staircase. The light itself had three cables coming in. A three core to an emergency bulkhead and two three cores coming in. If I upload a picture of how it was wired can someone have a look and explain to me why it was done In Three core and what the browns and blacks are used for in this instance. I know the greys are neutral and green/yellow the cpc's.
I'm still learning so would appreciate the feedback and hope my question isn't a stupid one. If it is I'm sure I'll find out soon.
I had to replace a 2D light fitting that was at the bottom of a staircase. The light itself had three cables coming in. A three core to an emergency bulkhead and two three cores coming in. If I upload a picture of how it was wired can someone have a look and explain to me why it was done In Three core and what the browns and blacks are used for in this instance. I know the greys are neutral and green/yellow the cpc's.
I'm still learning so would appreciate the feedback and hope my question isn't a stupid one. If it is I'm sure I'll find out soon.