Rewirable fuses date, code

[midgetman]

1. Hi can you please tell me when rewirable fuses in consumer units were phased out.

2. A spotlight bar is fitted to ceiling with original ceiling rose base pushed up into void between ceiling and floor boards. Code C2?
Thank you

 

[uksparks]

1. If you mean phased out as in not installed, if have a guess of 1987

 

[richy3333]

A spotlight bar is fitted to ceiling with original ceiling rose base pushed up into void between ceiling and floor boards. Code C2?
Thank you

What's your rationale for a C2?

 

[midgetman]

Potentially dangerous if someone lifts floor board. Ceiling rose has cover removed eh.

 

[shanky887614]

Potentially dangerous if someone lifts floor board. Ceiling rose has cover removed eh.

requires a tool to access then so a c3, are you sure the rose cover has been left off?

 

[Andy78]

Exposed basic insulation should only attract a C3 where it is unlikely to cause an immediate hazard, as in this situation. Same for the improperly secured accessory and lack of cable restraint likely to be the case here.

 

[davesparks]

I'm not sure of an exact date but all of the info for calculating cable size plus time/current curves etc for their use was still in the 16th edition so you could legitimately have installed them or used them for new circuits then, so that takes it up to 2008

 

[davesparks]

Potentially dangerous if someone lifts floor board. Ceiling rose has cover removed eh.

But ceiling rose covers are intended to be removed without the use of a key or tool

 

[SteveH40]

What about the floorboard though?

 

[Andy78]

I'm not sure of an exact date but all of the info for calculating cable size plus time/current curves etc for their use was still in the 16th edition so you could legitimately have installed them or used them for new circuits then, so that takes it up to 2008

And in the BGB too. Info is still included for max Zs, time/current curves, correction factor Cf etc. The only problem with using them for a new circuit design would be getting them to comply with the fault current of the installation.

 

[ackbarthestar]

Fuse ratings to BS3036 are included in amd3 2015 for both 0.4s and 5s disconnection times.

 

[HappyHippyDad]

1. Hi can you please tell me when rewirable fuses in consumer units were phased out.

2. A spotlight bar is fitted to ceiling with original ceiling rose base pushed up into void between ceiling and floor boards. Code C2?
Thank you

1. BS3036 was last ammended in 2007 and is still referred to in the BYB so it could be argued that they are not 'phased out' just that we choose to fit other types of more modern circuit breakers. I wonder if it would still meet the regulations to fit a BS3036 CU? As long as it met all the requirements.. ZS, disconnection times, etc?? View attachment Iformation on BS3036 rewireable fuses.pdf

2. I have seen a few ceiling roses pushed up into the ceiling void and I think it's just a lazy way of doing things. It's difficult to argue that it is a C2 as long as there is no way that you could get your fingers into it. However, the hole where the cables enter is supposed to be flush against the ceiling (this is what it is designed for and therefore protected), by just pushing it into the ceiling void you are changing it's use and using it as a JB. Quite often the entrance hole for the cables in the ceiling rose is much bigger than the size of the cables entering it so the 'JB' may not meet item number 5.17 in the EICR :

- connections of live conductors adequately enclosed
- Adequately connected at point of entry to enclosure

and could perhaps be a C2.