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My house has an 80mA RCD between incoming mains and consumer unit. I want to wire some external lights and a pond pump - all mains voltage. I can fit a Fused Connection Unit as a spur off a ring-main socket on the external wall, and take the cable through the wall to a weatherproof junction box. Am I correct in thinking that the FCU should have a 30mA RCD as well? I have done a search on the site and that appears to be the recommendation when the property does not have an RCD, but is it still the recommendation here because my unit is an 80mA one. I can only find an un-switched unit made by PowerBreaker but would prefer a switched one. I could have a 20A DP switch between the ring socket and the FCU but does anyone know if a switched FCU with RCD does exist? I’ve looked on many supplier’s sites but can’t find one.
Thanks for any advice.
Thanks for any advice.