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After fitting three separate remote timer units (Manrose) for cenrifugal extractor fan in the bathroom, and having them blow up, thought I'd better speak to Manrose technical department who said you can't use the remote timer with a dimmer switch. Something about an capacitor on the circuit...

What would be the maximum current during startup on a circuit with 60 x 58W fluorescent tubes?

I put in new lights and extraction fan in a new bathroom, taking mains feed from existing JB to a new JB for the 4 low voltage lights and centrifugal fan. The customer is reporting that another extraction fan in an en-suite at the other end of the house intermittantly comes on when the new...

I have a Moeller 30mA 61008 RCD that trips out randomly sometimes immediately sometimes after a few days. It passes the 50% rated current test, but a ramp test shows it ripping at 21mA, this seems low to me, is this right?

I've got the job to split several rooms ina B&B into individual flats with their own consumer unit. The meters and main service point are in the cellar the consumer units are 1 or 2 floors up. Normally I would just use 25mm meter tails is there an alternative that would work better?

I have to resite a consumer unit from inside position to the outside wall directly opposite it. I want to fit a recessed waterproof box into the outer skin and fit the CCU into the box. I will be using a Wylex 9 way split load for the CCU. The outside wall is currently is currently covered with...

For new installation work I know brown/blue colours have to be used, but when doing a re-wire is it still permissable to use existing cables, e.g. light switch cables in the wall that cannot be pulled out. I would like to use these to avoid chasing out the wall for a new cable.

Is there any legal requirement for fire alarm systems to be installed by a recognised entity?

I have to move a consumer unit about 5m from existing position. Most of the circuits will be extended from where they are to the new position. I would normally use a junction box with appropriate terminal blocks to connect the cables. Any suggestions on alternative methods gratefully received.

I need to replace some metal gutters that have been fabricated by welding into a curve. I would like to replace these with PVC, but don't want to do it with lots of joining pieces, how feasible would it be to do this? Can PVC be 'welded'? Will the solvent for wastepipes work on PVC gutters...