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rcd in shed keeps tripping?

hi guys,had electrics put in the shed.nothing fancy,2 lights and 2 double sockets.everything i have plugged in has tripped the rcd.i did notice none of these items are earthed!! lawnmower,strimmer and my charger for my drill.will an rcd adaptor solve this problem as all the tests on the sockets are fine??
bernard, May 2011
like you,?

mm, October 2011
i think its quite funny reading some of these messages on here. its obvious some people have a little bit of electrical knowledge and they blabber on thinking they know it all.

ac, August 2011
it was a wiring fault in the end!
thanks for your help.

bernard, May 2011
If they're class 2 there won't be anywhere to attach an earth so there's no point trying to rewire them with 3 core flex.

Adam, May 2011
you dont say if the rcd is in the shed if its tripping the house rcd it sounds like the live and neutral to the shed are not both on the rcd circuit ie live from rcd, neutral from the other neutral which will not trip until something is switched on

toptrish, May 2011
just in the shed,if i plug the same things in the house there are no problems.
lawnmower,strimmer and charger are all wired with 2 core cable,no earth! so i wondered if the rcd adaptor would solve it,or do i need to re-wire these items with 3 core flex?

bernard, May 2011
Is it an rcd socket in the shed or at the consumer unit in the house?
Did you do a ramp test and if so what were the results?

Adam, May 2011