I need to put electricity to my garage.
I plan to run 2.5mm^2 through conduit from the main consumer board(30AMCB)
to a 2 way consumer board (power with RCD and light) with 2.5mm ring for
power and 1mm for lighting. Is this a suitable way of doing it or have I
If it is a long cable run your limiting factor may be voltage drop if you
have any significant load (compressor etc) in the garage. It may be
necessary to go to a heavier cable if it is 100 foot or more
(who had to run 10 mm to his workshop - but then it does have a 13.5 Kw kiln
in it <G>)
Depends on what current you are going to draw from garage sockets/lights but
should be OK. Cable must be protected on route to garage, SWA may be better
.Also strictly speaking the earth of the TE cable should be connected in
the house but not terminated in the garage, a separate earth rod used local
to the remote ccu.
No it isn't. You can't normally run a 30A radial in 2.5mm cable. The
important things we need to establish is how far the cable run from the
garage is from the CU. We also need to know how earthing will be achieved.
How close is the garage to the house? Does it have any services (i.e
water/gas)? Does it have any metal in its construction?
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