House rewire lighting circuit

Chrisknowlesuk · Nov 19, 2016

Im relatively freshly qualified and registered so still coming up against new challenges.

I have a client who has requested a rewire but they also want minimum damage to flooring etc. Hopefully loft access means I can get to first floor lighting cables but ground floor ceiling lighting could be tricky.

Provided testing on current cabling comes within correct values is it okay to reuse??

Also, whilst sticking with safe zones is it acceptable to chase around corners, I presume as my chasing tool won't get right into the corners a chisel will have to do the tight spot?

As a side note, install has every variety of back box surface mounted even with big fat finger holes, L/N reversed, sockets with no Earth, trailing cables in front of doors no main earth supply - otherwise its perfect!!!

Pete999 · Nov 19, 2016

A difficult job then, I would suggest you tell your client he needs a EICR prior to any rewire, with the state if the wiring that you have mentioned, a complete rewire is required not just the lighting, is the bonding OK? what about RCD protection as you are chasing in all the cabling?

westward10 · Nov 19, 2016

From what you describe it don't sound great. It would be difficult to say from a distance whether the existing lighting cables are okay, you need to test it and give it a thorough inspection but if the power circuits are how you describe, the lighting may well be the same.

GMES · Nov 19, 2016

As others have said get the test gear out first and do a full periodic. It may end up being a full rewire but equally if a few results come back good you could save the customer a few shillings.
If you're new to periodic testing which it sound like you may be it might be an idea to enlist the help of an experienced Tester.
Good luck either way.

7029 dave · Nov 19, 2016

If new cable needs to be provided, so be it, we can not magic them in.If he knew the wiring was in such a state?,why finish the decoration.?

Midwest · Nov 19, 2016

The customer seems to have made the strategic decision to have a 'rewire', probably based on a visual inspection and the age of the property, one assumes you've come to the same decision on the same basis. Unless you are going to do the EICR for free, why waste £200 of the customers money, when they want it 'rewired'?

If you going to 'rewire', then it's floors up or ceilings down. If I was paying for a 'rewire', I would not want any of the old cables used, unless they were very recent additions.

7029 dave · Nov 19, 2016

Midwest said:
The customer seems to have made the strategic decision to have a 'rewire', probably based on a visual inspection and the age of the property, one assumes you've come to the same decision on the same basis. Unless you are going to do the EICR for free, why waste £200 of the customers money, when they want it 'rewired'?

If you going to 'rewire', then it's floors up or ceilings down. If I was paying for a 'rewire', I would not want any of the old cables used, unless they were very recent additions.

Absolutely, the customer will have to way up the cost, either floor up, or ceilings, maybe not all down, negotiating joist runs switch drops etc, it can be done, but time will have to be spent to minimize damage , which means more labour time.

Midwest · Nov 19, 2016

You could always use those new fangled Wi-Fi sockets

westward10 · Nov 19, 2016

From my experience if the power is that bad the lighting is probably worse.

Chrisknowlesuk · Nov 19, 2016

Thanks for all the advice.

The plan was to do a complete rewire from the CCU upwards. There doesn't even seem to be a supply earth so power distributor coming out to rectify that then energy supplier fitting a main isolater switch before I begin.

I was going to suggest to the client that I could surface trunk cables to lighting roses if they really don't want any flooring or ceiling disturbed but that seems like a poor finish in my book.

Photo shows current fuseboard and supply etc. Far right of picture has a small terminal with three earth leads - one to fuseboard, one to bonding and one really long one that attaches to a water pipe, but nothing from supply.

Fortunately, the property isn't being lived in. I've advised the client of all the current failings with photos.

[ElectriciansForums.net] House rewire lighting circuit

westward10 · Nov 19, 2016

I have only used trunking where access to the cavity above the ceiling is not possible, in your case it is.

Chrisknowlesuk · Nov 19, 2016

westward10 said:
I have only used trunking where access to the cavity above the ceiling is not possible, in your case it is.

There is a loft hatch on the first floor but I've not gone up to check access. My main problem is they don't want the floor on the first floor removed.

Andy78 · Nov 19, 2016

Chrisknowlesuk said:
There is a loft hatch on the first floor but I've not gone up to check access. My main problem is they don't want the floor on the first floor removed.

What flooring is down that they don't want lifting ?

Chrisknowlesuk · Nov 19, 2016

Andy78 said:
What flooring is down that they don't want lifting ?

Its all fairly new laminated flooring by the looks.

Andy78 · Nov 19, 2016

Ugh. Make sure they are aware of the significant increase in cost and time due to the floor not being able to be lifted to facilitate the rewire, as well as the increased plastering needed to repair chased walls.

House rewire lighting circuit

Chrisknowlesuk

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Pete999

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westward10

GMES

7029 dave

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Midwest

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7029 dave

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Midwest

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westward10

Chrisknowlesuk

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westward10

Chrisknowlesuk

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Andy78

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Chrisknowlesuk

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Andy78

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