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Spark 123, really appreciate the response given. reegarding the 16mm cable, i am going to leave well alone as your suggestion, until i'm ready to gut the room and will update to 17th edn regs at that point. Going to focus on getting the CU rcd protected be using the high intergity box as one and...

Sorry no Pic of CU, i am working away at moment and dont have only to post. However I can confirm that the supply cable L/N are only 16mm and that the earth is approx 4mm, THe earth seems very undersized considering the distance from MET of 30 Ft and i beleive it should be 16mm. The CU is a...

The earth conductor is 16mm from the DNO cable sheath to the MET, when said the earth conductor is 4mm thats from the MET to the Consumer unit. Should this be 16mm as well as supply is now 100A? Great spot on the MET - I will get it replaced asap. The lash up on RCD is exactly that, it was the...

Many thanks - your on the ball

After the flood, the DNO ran 4mm tails from the meter to the old black switch as shown in the pic, which was then wired to the RCD to enable heaters to be powered as a temporary measure to dry out the basement hence the blue flexes. I have call the DNO to have it cleaned up, they haven't done so...

Hello All This is my first post so here goes. I have purchased a new house with a basement. After having a flood & the power going out. The dno replaced the cut out from 60A to a new 100A and upgraded the tails between it and the meter to 25mm. I now have 16mm tails going from the meter to...

house electricals