Discuss Existing Supplementary Bonding in the UK Electrical Forum area at ElectriciansForums.net

Dunno, but sounds good, how do I apply?
ring Gandaf ,lord of the rings
c/o peter Jackson Hollywood ,the big USA ,

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Just replacing like for like luminaires.

If you can imagine, the rest of the refurb is fancy tiling, shower screens, furniture etc. Do I have to put that ec clamp on the bottom of their nice new chrome towel radiator?

Edit, oh and moving extract fan into loft space.

If you are moving the fan then surly this is an alteration. If so 132.16 applies and you'll need an RCD for the fan.

I got pulled up on an alteration on my last assessment, I moved 6mm gas bonding from wrong place to correct place, 2 minute job. He argued it was an alteration and as it was PME I now had to upgrade to 10mm.
 
If you are moving the fan then surly this is an alteration. If so 132.16 applies and you'll need an RCD for the fan.

I got pulled up on an alteration on my last assessment, I moved 6mm gas bonding from wrong place to correct place, 2 minute job. He argued it was an alteration and as it was PME I now had to upgrade to 10mm.

The fan was being moved from the bathroom ceiling into the loftspace, utilising the existing wiring, which IMO is not an alteration of the circuit.

Bit academic now; on removal of the fan, I found the existing wiring required replacing to accommodate for timer (fan pull cord should of been a clue :oops:). Wiring to TPN also had to be replaced, which is concealed in wall less than 50mm. So installed a local FCU RCD.

Incidentally, found some more supplementary bonding, which when disconnected gave different readings for the continuity of extraneous pipe work. Most over 0.02Mohms, and one below 1667ohms. Therefore supplementary bonding removed.
 
I have perhaps the opposite situation, and I'd be pleased for any thoughts ... water bonding has recently been upgraded to 10mm (PME) and attached to a new pipe location and it's not at mains entry, but I see why they put it there. I'm working in the kitchen, cover off CU for a new circuit and behold there is the old water bonding cable curled up inside but not attached to earthbar. It's 6mm and goes upstairs to the bathroom where it's still attached to the bathroom copper pipes. I'm going to remove it (?) but I may need red wine to dull the pain.
 
I did a CU replacement this week. New 10mm bonds connected to old CU met, along with old 6mm. Can't see bond in kitchen, but tested to copper service, zilch on 10mm, 0.10 oh on 6mm :D
 
I have perhaps the opposite situation, and I'd be pleased for any thoughts ... water bonding has recently been upgraded to 10mm (PME) and attached to a new pipe location and it's not at mains entry, but I see why they put it there. I'm working in the kitchen, cover off CU for a new circuit and behold there is the old water bonding cable curled up inside but not attached to earthbar. It's 6mm and goes upstairs to the bathroom where it's still attached to the bathroom copper pipes. I'm going to remove it (?) but I may need red wine to dull the pain.

I'd just check bathroom pipes to see if extraneous (with 6mm disconnected)
 

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