Please help! Flooded bathroom and fused electrics!

Mickey666

Morrigan_2020 said:

Thanks all, he’s been and gone, it had mostly dried out thanks to blasting the heating up and opening windows quickly, he tested the light fitting and the circuits declared it all safe.  To be honest you’re probably right that I could have managed but I definitely feel better to have everything back to normal so quickly and peace of mind so I’m considering it money well spent.  The RCD did me a huge favour because it alerted me quickly enough to react fast. 

Thanks for taking the time to respond. 

Glad it's all sorted - thanks for the update.  RCDs were a major advance in terms of elecrical safety when first introduced.

Mickey666

grumbler said:

Mickey666 said:

Morrigan_2020 said:

Electrician on the way, decided not to take any daft risks with water and electricity. 

if only the lighting circuit was affected then the RCD should not trip out and all other circuits should work again as normal.  

I wouldn't be that sure. MCB, typically, brakes only the live wire. RCD can be tripped by some connection between neutral and earth ones.

True, hence 'should not'.  There are always caveats to things like these but to cover every possibility would require many paragraphs and no one would read them.

I'd be surprised if tap water caused enough current to flow between neutral and earth conductors to trip a (presumably) 30mA RCD because while the live conductor will be around 240V, the neutral conductor will typically only be a few volts.

Jeepers_Creepers

You did the right thing for the circumstances, Morrigan.

I hope tomorrow isn't too bad for you all.

Morrigan_2020

Thank you.