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yea it is. Ze is 85ohms.

thought so. so if i got 85 ohms PEFC then my result will be 2.7kA

hi guys . wots the calc for converting ohms into kA. Is it the reading divided by 230v cheers

so basically every circuit domestically on TN has a 0.4s disconnect time now then? what about TT installs?

now that from july 1st most installations have to be on a 30mA RCD do we need to RCD test circuits apart from sockets and showers etc. i.e the things that have 5s disconnection times

yea have a feeling it may be the kettle.you know what kids are like with water!! sploshing around everywhere! not had any problems today

its not really a fishy smell. more funnily enough the smell of a party popper going off. heard it twice last night. will investigate further

i thought of that! also party poppers that are on top of the units

havin some strange noises in the kitchen. pops like a fuse blowing but nothings blown. there is some smell too but i cant work out what it is. any ideas?

RF you should win an award for that! Its gorgeous!

hager 6+6 split RCD board fully loaded for £85 in my local suppliers but its huge!

ok see your point! so its likely to be over a ton to use rcbo's

comms, are these CPN boards any good? where can you get them? how can they be so cheap? works out less than a tenner for each rcbo plus the board and main switch

yea i guess. i suppose the cost wont be too different when you lose the one rcd and replace it with two rcbo's

splitting the lighting circuit is not really viable without major work. maybe just keep the lights, cooker and panel heaters on one rcd and the sockets, other panel heaters and immersion on the other

Fitting a new board in a bungalow one ring circuit one lighting " one cooker " one immersion " two panel heaters " Best way to connect? Split with 2 RCD's? Cheers

i've never had a problem in all the years that i have installed this way. its in the regs to use diversity and even if you had it all flat out for a couple of hours then it would still be fine. you're looking at about 15amps for the hob and about 13amps for the oven

actually i think you'll find after diversity that they will both be okay on a 32 amp mcb with one switch controlling them

i would say that even if it was a complete re-wire , you wouldnt have to change them because a lot of the time you would only be replacing the cable and utilising the exsisting sockets etc

thats what i thought. my my electrical and gas inspector thinks otherwise