Hi all
So I've installed electrics into my new shed but have an issue/query.
I have a rcd wired 13amp plug in device on the internal wall that goes from house plug socket to outside into x2 ip65 rated twin sockets (low voltage LEDs and wall lights, all up rated). From one twin external socket I've run a 13amp fused spur and from this spur I've run 3 core 10mm armored cable clipped to fence upto shed (about 15ft), this goes into a 2 way rcd cu with 63a 30ma rcd and x1 b16 mcb and x1 b6 mcb. The b16 mcb ive used for x2 rcd twin switched sockets on a radial circuit, the b6 goes to a 1 gang switch that feeds a fluorescent strip light and a pir sensor light on shed wall.
So I power it up and all is ok but when I click the "test" button on any of the rcd sockets in the shed it trips out the house mcb (house has a split rcd cu).
Have I gone over the top on rcds or am I missing something else?
My thinking is that if the shed sockets trip it will just trip the shed cu or the 13amp fused spur or the internal rcd wall plug adapter thing and NOT the house mcb?
The twin rcd sockets have a red "on/live" light and when I flick the b16 mcb on shed cu the lights go out. The lights and switch are all fine. I've also plugged in a battery drill charger into she'd sockets and they seem to be fine apart from test button tripping out the house cu.
Any help appreciated
So I've installed electrics into my new shed but have an issue/query.
I have a rcd wired 13amp plug in device on the internal wall that goes from house plug socket to outside into x2 ip65 rated twin sockets (low voltage LEDs and wall lights, all up rated). From one twin external socket I've run a 13amp fused spur and from this spur I've run 3 core 10mm armored cable clipped to fence upto shed (about 15ft), this goes into a 2 way rcd cu with 63a 30ma rcd and x1 b16 mcb and x1 b6 mcb. The b16 mcb ive used for x2 rcd twin switched sockets on a radial circuit, the b6 goes to a 1 gang switch that feeds a fluorescent strip light and a pir sensor light on shed wall.
So I power it up and all is ok but when I click the "test" button on any of the rcd sockets in the shed it trips out the house mcb (house has a split rcd cu).
Have I gone over the top on rcds or am I missing something else?
My thinking is that if the shed sockets trip it will just trip the shed cu or the 13amp fused spur or the internal rcd wall plug adapter thing and NOT the house mcb?
The twin rcd sockets have a red "on/live" light and when I flick the b16 mcb on shed cu the lights go out. The lights and switch are all fine. I've also plugged in a battery drill charger into she'd sockets and they seem to be fine apart from test button tripping out the house cu.
Any help appreciated