I learnt something yesterday. Not to follow up on quotes!! - it seems pushy and some people just like to be left to think and get other quotes, just because they don't ring within 2 days doesn't mean you havent got the job!. I quoted a fuseboard change 3 weeks ago and left with the feeling I...
A circuit is protected by a 32A type B breaker. if the value of Ze is 0.8 ohms what will be the maximum allowable value for (R1+R2)
how do I go about finding this in the IEE regs (red one) please ......
So a few weeks back I get called out to a guy who's RCD won't set. He's just returned from holiday to find this so not much idea from him when the initial fault occured. To be honest, I was expecting to turn up and find that he needs a new kettle as this is in my experience almost always the...
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So this is what I found:
1. At one DB found live+neutral to earth ins res was about 181Mohm... bit lower than perfect but never mind.
2. Same DB had a 30mA RCCB mounted underneath it protecting the full board, even though it was a split board, and had a RCD 30mA in it already. This is...
on a new installation, do you have to channel the wall out before running cables down or can you just nail the cables to the wall (with protection)then plaster board over?
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