I have taken a spure from a ring main(32amp) to connect the condensing boiler using a FCU ( I think it has a 13amp fuse).
Is this OK or do I need a direct spur from the conusmer unit with a 6mp fuse?
spur is ok off the ring main,install 3 amp fuse in spur,and 3-core cable from spur to boiler,assume you have used 2.5 mm cable from ring main to new spur.
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