In line fuse holder

[mhar]

Got some coastal apartments which have a mixture of downlights, pendants and 5A round pin wall plugs all controlled by conventional light switches and everything is switch fed. OCPD is a B10 mcb which if I derated it to a B6, would still be over the 5A rating of the sockets and plugs. All the 5A rated plugs used are unfused.
I am looking for small inline fuseholders for 3A 1362 fuses (or anything else suitable) which I can fit in the switch backboxes. Otherwise I will have to come out of the cu from the 10A mcb to an sfcu fused at 5A which, whilst easier, doesn't feel right. Or am I missing something?

 

[kingeri]

As long as no part of the wiring or any accessory can be overloaded, I wouldn't worry about it. The 5A plug will only be serving one lamp, presumably?

 

[Leesparkykent]

it would have to be a pretty big lamp to pull more than 5A

 

[Octopus]

it would have to be a pretty big lamp to pull more than 5A

In the greenhouse or cellar maybe?

 

[westward10]

They are generally considered as being part of a lighting circuit, you could use 16A if you like, as the others say how likely is it they will be overloaded because the current is limited by the nature of the load. I put 2As in my lounge on 10A devices.

 

[mhar]

Whilst I completely agree, it is for an EICR and so justifies a code under 433.1.1. I can see the common sense argument for a C3 but as Murdoch is implying, who knows. How would others report this please?

 

[Pete999]

I see no concerns over this so no code

 

[Leesparkykent]

Whilst I completely agree, it is for an EICR and so justifies a code under 433.1.1. I can see the common sense argument for a C3 but as Murdoch is implying, who knows. How would others report this please?

I cant see why it justifies a code at all.

 

[westward10]

Whilst I completely agree, it is for an EICR and so justifies a code under 433.1.1. I can see the common sense argument for a C3 but as Murdoch is implying, who knows. How would others report this please?

I wouldn't comment on it at all, B15 and B22 lamp holders are rated at 2A but Reg 559.5.1.204 allows them to be protected at 16A because they are not likely to be overloaded, the same applies. Reg 559.5.1 deems them to be suitable luminaire couplers (BS546) and you rarely see them used for other purposes.
I don't see how it relates to 433.1.1

 

[Lucien Nunes]

Historically, prior to their use as luminaire couplers, BS546 5A outlets for fixed loads <5A were permitted to be fused at 15A and 2A outlets fused at 5A. I cannot give even a hint as to which edition of regs you might need to search for that though.

 

[westward10]

I thought, not that I am old enough to know. 15A socket, 15A fuse and 5A socket, 5A fuse but you could have three 5A sockets on a 15A fuse.
Maybe 8th, 9th Ed.

 

[Octopus]

Hold on ... this is for an EICR.....

NO CODE.

 

[Wilko]

8th 1924
9th 1927

 

[kingeri]

By the same thinking we couldn't have things like 13A socket outlets on a 32A breaker!

 

[sparks1234]

Not in a lighthouse is it?

 

[Pete999]

Not in a lighthouse is it?

No mate they only have 1 light and that's usually on the roof, and takes more than 5Amps

 

[westward10]

8th 1924
9th 1927

Knew you would remember

 

[westward10]

By the same thinking we couldn't have things like 13A socket outlets on a 32A breaker!

Except circuit protection is at the plug top.

 

[mhar]

Except circuit protection is at the plug top.

Which is partly my concern. The manufacturers are supplying a light complete with a 3A fuse to protect their device and cable, we then discard this and connect into a 10A supply.
Thanks for the replies

 

[Wilko]

Which is partly my concern. The manufacturers are supplying a light complete with a 3A fuse to protect their device and cable, we then discard this and connect into a 10A supply.
Thanks for the replies

Dumb question, sorry, but are you saying the light had a manufacturers 3A fuse which has now been removed ?