- Reaction score
- 50
Hi all, scenario is , Fitted new dual rcd MK Cu today. Testing rcd one ( next to main sw) all fine. Rcd two doesn't trip on x1 at all ( mft says 310ms)it trips on x5 but high reading approx 30 ms. Have tested with no loads connected. Changed rcd same results! Swapped rcd 1 & 2 round , works fine next to main sw but same problem on other end ! Have triple checked all connections on everything but to no avail????? Any ideas lads ?? Help