Spurring of a 16/20 amp radial.

[bulmer]

I have a small CU feeding a shower and wall mounted heater in a bathroom. They now need a fan installing along with a new light fitting.

What are the thoughts about adding a 3 amp fused spur alongside the CU, taken from the radial supplying the wall heater, to feed the bathroom lighting and extract fan?

Don't want to add/start altering the existing lighting as existing install is old skool and don't want to start having to fix a can of worms.

Thanks in advance

 

[sellers]

sounds fine to me mate, or you can also come from the fused spur for the wall heater. Your not really spuring from the circuit, your just adding to the radial.

 

[spinlondon]

Where's the RCD?

 

[bulmer]

Sat in the small CU as main switch

 

[spinlondon]

I can't think of a Regulation prohibiting you from doing such.

Is the bathroom CU fed from a way in the main CU?

 

[kme]

It`s a spur from a radial - what`s the problem?

KME

 

[bulmer]

I can't think of a Regulation prohibiting you from doing such.Is the bathroom CU fed from a way in the main CU?

No tails getting split

 

[bulmer]

It`s a spur from a radial - what`s the problem?KME

TBH when I think about it now, I cant see one.

Probably a case of not seeing the wood for the trees.

Thanks all

 

[Apache]

It`s a spur from a radial - what`s the problem?KME

technically thought it was only a spur from a ring

 

[kme]

No mate - a spur is a spur, regardless - however, I tend to call "a spur from a spur" a "branch".

KME

 

[ProDave]

I have a small CU feeding a shower and wall mounted heater in a bathroom. They now need a fan installing along with a new light fitting. What are the thoughts about adding a 3 amp fused spur alongside the CU, taken from the radial supplying the wall heater, to feed the bathroom lighting and extract fan?

Don't want to add/start altering the existing lighting as existing install is old skool and don't want to start having to fix a can of worms.

Thanks in advance

If by old skool you mean all lighting circuits go to one central junction box, I would modify the original circuit. Assuming an upstairs bathroom, you should find the lighting junction box for upstairs in the loft and the wiring alterations will be easy.

I assume the reason for the alteration is to provide a permanent live for a timer fan, which you will easily pick up in the junction box and replace the existing 2 core with a 3 core & e

Unless of course you find the junction box is done with screwits, in which case you really should redo the whole junction box

 

[bulmer]

By old skool i meant the electrics have never been touched since they were installed, which by the looks of it was probably in the 70s.

Wanted to keep all the additions seperate from the original as there is no budget allowed for fixing any faults that I could possibly pick up when testing.

If all done new and fresh for the bathroom, I know all will be fine and dandy.

 

[steptoe]

If by old skool you mean all lighting circuits go to one central junction box, I would modify the original circuit. Assuming an upstairs bathroom, you should find the lighting junction box for upstairs in the loft and the wiring alterations will be easy.I assume the reason for the alteration is to provide a permanent live for a timer fan, which you will easily pick up in the junction box and replace the existing 2 core with a 3 core & e

Unless of course you find the junction box is done with screwits, in which case you really should redo the whole junction box

I think you will find that that is now come full circle and is a more efficient method,

as for old skool,

it was really only the UK that ever deviated away from this method of wiring as it is by far the better system.

what are screwits.?

are they like dogcocks?

 

[kme]

One and the same, mate

 

[steptoe]

One and the same, mate

so why do people insist on calling a cupboard a closet.?

does my f'in head in.

 

[kme]

Americanism

 

[steptoe]

Americanism

like I said LL.

 

[kme]

Indeed