My brother (Who is a spark of 30years) fitted a split load CU in Oct last year.
2 days ago I developed the following problem:
The RCD is lined to 2 x showers, Upper sockets, Ground floor sockets, Extension sockets & Garage door which are all wired direct to MCB's.
Went to use the shower in extension and the RCD tripped. The MCB didn't. Reset RCD again, tried shower again & tripped again.
Tried to use hoover on all sockets (i.e. Ground, upper & extension). RCD tripped but none of the MCB's tripped.
Shower worked yesterday morning (RCD didn't trip). Hoover still won't work without tripping RCD.
RCD tripping infrequently for no apparent reason. During every trip, no MCB trips...............!!
Do I have a earth problem or is it a possible dodgy RCD??
2 days ago I developed the following problem:
The RCD is lined to 2 x showers, Upper sockets, Ground floor sockets, Extension sockets & Garage door which are all wired direct to MCB's.
Went to use the shower in extension and the RCD tripped. The MCB didn't. Reset RCD again, tried shower again & tripped again.
Tried to use hoover on all sockets (i.e. Ground, upper & extension). RCD tripped but none of the MCB's tripped.
Shower worked yesterday morning (RCD didn't trip). Hoover still won't work without tripping RCD.
RCD tripping infrequently for no apparent reason. During every trip, no MCB trips...............!!
Do I have a earth problem or is it a possible dodgy RCD??