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Ive had a search about and even bought a book ( which was turd ) about wiring fire alarms and how they work. Can any one reccoemd and good sites for info or a decent book that explains it clearly. Cheers.

Hey just a quick question, ive got 9 x 50w halogen down lights that i would like to switch from a dimmer. How many watts is the switch goin to take? because ive got a 250w one and it smellys a little funky.

Hey, Cant really get my head around emergency light. I get theres maintain and non-maintained but not all that sure how there wired. Any one have any sites they know which might help out? Cheers

Right, im on an apprentership and at the end of it want to go chasing the money while im still young. The thing is i dont really know whats what when it comes to gettin it goin. When i finish i'll have city and guilds 2391 qualification. So do i need to do an additional testin course or is...

At my work im able to get hager Type B MCB's. The thing is im installing a 9.5kw shower, which is 41amps ... They only have 40amp and 50 amp breakers, ideally a 45amp breaker would be best, but will i get away with using a 40amp? Cheers

Right, well im a training spark and i had a few questions i wanted clearing up. 1, Why does a double insulated load not require an earth, whats so different about it to any other load, i mean why cant you get a shock off it? 2, There are different types of MCB's arnt there? like A,B,C and...

Firstly, I have an electric shower that requires wiring up. Its 9.5kw and the cable is about a 20 meter run going through some trunking and the loft, which has insulation. Can some one explain to me what size of cable is required as i dont exactly know how to use the correction factors...