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If replacing a fuse board for a new consumer unit but supplier has not provided an isolater, what is the procedure? Do you need to cut the seals or do you work on it live? If you cut the seals are you putting yourself at risk of being sued? Thanks for the help.

Just doing an assignment at college mate (FWL). Appreciate the help anyway.

Thanks FWL. The bit on the certificate about prospective fault current has a note saying 'by measurement or by enquiry'. To who do I enquire and what is it likely to be? I have some notes which say it should be the greater of either the short-circuit current or the earth fault current. Please...

On an electrical installation certificate it asks for the main switch type. What are the Bs numbers and what are the main types for domestic use? It also asks for the prospective fault current. What would this be in a domestic installation? I would be very grateful for any help. Thanks.

If you extend the cables with two joints with one at the speaker end and one at the computer end you can hide the joints. You will not see the one behind the computer anyway, and if you make the other close enough to the speaker you will not be able to see it when the speakers are up on their...

If you get up in the loft above the bathroom you will be able to find the junction box without pulling the ceiling down. The old light can be disconnected and lowered down to a helper in the bathroom so it doesn't drop. Now simply feed the wires from the new light fitting through the same route...

I know there are standard circuit arrangements for rings and radials, eg. rings use 2.5mm cable and are protected by 30A fuse or 32A mcb with max run of 100M squared etc. I wonder could anyone please let me know of any standard arrangements for cooker or shower circuits, if there are any. Thankyou.