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Discuss Replace lighting circuit to 17th Edition? in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

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Quoting for a job where the entire downstairs lighting circuit needs re-doing. Currently the circuit runs from an old Wylex re-wireable fuse consumer unit.


If I only replace the light fittings (all smashed) and re-connect existing cables (subject to test) then what is my responsibility for bringing the circuit up to 17[SUP]th[/SUP] edition e.g including RCD protection.


I know Wylex do the MCBs with the two prongs that will slot into an existing re-wireable consumer unit but do they do an RCBO version? If so I can't find it.
 
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1

1shortcircuit

If I only replace the light fittings (all smashed) and re-connect existing cables (subject to test) then what is my responsibility for bringing the circuit up to 17[SUP]th[/SUP] edition e.g including RCD protection.
You'd be replacing like for like and not making an alteration or addition wouldn't you ;) In that case, no need to bring up to current regs:thumbsup

I know Wylex do the MCBs with the two prongs that will slot into an existing re-wireable consumer unit but do they do an RCBO version? If so I can't find it.
From the rewire-able fuse to a RCD fused spur positioned near to the CU. This will protect entire circuit.

Obviously ensure that bonding is adequate etc
 

telectrix

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as ^^^^^. but would do no harm to measure IR and Zs for the circuit and do a MWC, although not essential.
 
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  • #4
For the sake of argument if I do find a dodgy cable (and believe me this place is a mess) and I replace it then what? Still like for like?
 
N

nickblake

i agree with tel i know your only replacing fittings but you will be braking the circuit when you remove the old fittings and fit the new so to confirm that the circuit is safe then i would carry out an r1r2 , ir, Zs and issue a minor works a minor works is reccomended just for peace of mind
 
1

1shortcircuit

If you make an alteration or addition then ensure that circuit complies.

DO NOT get involved in trying to make a s*** job good, trust me I got caught out once and never again. It takes longer than rewiring the circuit so rip it out and start again. Failing that, decide whether or not it's actually worth it.

:thumbsup
 
  • Thread Starter Thread Starter
  • #7
I always do the tests anyway - doesn't take long and good for peace of mind. This job looks as if it started out OK and has been f**ked about by various 'handymen' friends of the landlords over the years. Why use crimps or a junction box when you could just sellotape the joints together?
 

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