Originally Posted by
Krofam
find out if its a ring or radial circuit.
i previously use 2 doubles on a main 32a ring but now use 1 double on standalone 16a radial. this has its own breaker and 2 plugs is enough for me with 2 lights.
what i do is run a timer contactor in 1 into 1 socket. it does upto 2 1000w lights on 1 socket. no need for 2 like some. the other socket i run a heavy duty extension to other side of room and that runs everything else from 4 plugs. but i plug a further 2 extensions into this to reach fans.
i have another contactor which i plan o use in future with 4 lights so will evemtualy extend the radial to 2 doubles.one contactor on each with an extension on each.
a 32a circuit can take upto 7200w maxload.
a 16a circuit can take up to 3600w maxload.
some things dont need an earth as it passes through the neutral. if you have cable like that, they are manly use for lighting @ 5amps or smaller devices.
i suggest making sure your main extension is a heavy duty one. any extensions running from that one, will need to be checked to see if it suits the power needs.
studied electrical installations for help with grow but mainly for my offgrid future plans.
check the thickness of the cable you have there. the actually wire. earth will be thicker.
live wires are general 1mm for lighting on 5a breaker, 1.5mm for ring on 32a breaker and 2.5mm for radial on 16a breaker.
the 4 core yo have there is for main lighting circuits and switch. 3 core is for mains plug, so. find out thickness to find out the breaker you need to connect it to.
2 core is only use on lamps of low wattage, dc systems from ceiling rose to holder.
hope this helps somewhat...
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