I am ading 4x 20W Lv halogen recessed lights in my floorboards. To avoid the hassle of reaching the lighting loop can i merely take a 20Amp JB off the ring main and add a 13 Amp FCU for the Supply to my transformer?
A better solution is to add the FCU straight to the ring circuit. If you can't manage that then a spur to the FCU will be fine but use a 30A junction box.
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