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It doesn't trip with isolator switched on, only when start button pressed. Is it not best to have shower rcd protected? He wants it for his own satisfaction

[quote name='Andy

Replaced an mcb with an rcbo for a shower as the client wanted the extra protection without replacing consumer unit. It's a 40A rcbo in 6mm for an 8.5kw shower. Approx 15m run from garage to shower. As soon as the shower is turned on it trips the rcbo Any ideas? I didn't have any testers to...

Thats good thinkinh :) Do you download from manufacturers site?

Hi All, Im due to go on-call shortly for a range on hospitals. I know there is a wide variety of faults or call outs that I could be faced with, but just seeing if anyone had any advice or information on common call-outs. Info on fault finding for things like automatic doors, appliances...

Friend of mine whats me to look at the kitchen lights. They said that two bulbs blew which took out the mcb. They replaced the lamps and the lights work but dimmers do not. Would the dimmers of blown?

Are fire-rated downlights required in a kitchen of a two storey house with a bedroom above? Obviously its better to have fire-rated ones but they have already been purchased. Building regs seem to condradict all the electrical regs and advice :S

Ideal, thanks :D Only other think that concerns me, is if the lights are too close to the original ceiling, or is this nothing to be worried about?

Even if the fitting is really close to the original ceiling? Does that mean the lights do not need to be fire rated?

Hi, Client has bought some 240v downlights in their kitchen, which are not fire rated and would like me to install. However, a suspended ceiling has been put in, approx 4" below the original ceiling. How would I go about this? Concerned that by drilling the hole in the new ceiling, then...

Hi, Im installing a telephone line in a house and all I have is a black telephone cable coming through the bedroom window which was chopped off when they moved in. Im assuming I need a telephone junction box to extend the cable to the required position. Does anyone know how to connect this to...

Hi, Im installing a telephone line in a house and all I have is a black telephone cable coming through the bedroom window which was chopped off when they moved in. Im assuming I need a telephone junction box to extend the cable to the required position. Does anyone know how to connect this to...

So wylex or volex RCBOs should fit correctly?

Been told that only Denmans stock Steeple RCBOs, is this correct? Are there any other makes are the same size as the Steeple ones. Need to replace an MCB for RCBO

Yes working and copper twisted. Must be some other cables that gone back through ceiling

A blue and brown twisted together, thats all!

Yeh but wheres the neutral gone? lol

Well I havent investigated yet just had a quick look when fitting was down. There was a brown and blue twisted together which could be identified wrong as mentioned above but wheres the neutral then? lol I reckon there will be a junction box in loft.

Looked at a light fitting that needs replacing and the Neutrral and Live were twisted together in the Light fitting. Its an old house with old fitting but there has been no problem with the lights before. Anyone seen anything this?

Client currently has a consumer unit with MCBs but no rcd protection. They want the shower to be rcd protected, so is it acceptable to just replace the mcb with an RCBO? Or does the whole consumer unit need to be rcd protected? Also would this require upgrading the bonding or is that just if...