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mcb didn't trip because it provides overload / short circuit protection. rcd provides earth leakage protection. possible causes? loose connection, even the earth. unplug the dishwasher and try again. then unplug the washer and try again. could be an appliance going faulty. failing that a...

imo it's preferable to feed smoke alarm circuits off a local lighting system. this stops people from switching off the circuit when 1 of the alarms bleeps intrmittently due to the battery needing replacing. it is well within the regs and also complies with the BS for smoke alarms. you could...

yea, like flame propogation properties of wiring system, surface temp. of luminaires etc... all in hand. er, i think! :? :wink:

:lol: :lol: even worse down here in yorkshire :(

typical bloody cumbrian! that's where i'm originally from actually. lived in seaton. family in workington, whitehaven .....

pedantic :roll: :)

300 Ma rcd edit: 300mA rcd

sorry about the shouting :oops: this is the 1st time i've come across a TT system and just need clarification. i'll try to be a little clearer with my 'explanation'. there is a 3 phase and neutral supply entering a stone building. from here a swa enters another building. this building is...

HI ALL, BIT OF ADVICE NEEDED. LARGE PLOT OF LAND. IN 1 CORNER STANDS A BUILDING WITH A 3 PHASE HEADER (NOT SURE YET IF IT'S TN OR TT). THIS HAS A TP+N SWA FEEDING ANOTHER BUILDING COMPRISING OF A SMALL CORNMILL, A SMALL FLAT AND @25 STABLES. FROM THE CORN MILL THERE IS A SP SWA FEEDING THE...