Emergency Light wiring.

[Engineer54]

For new builds I've seen battery packs connected to a separate circuit. Those breakers would have a lock on them at the panel so they couldn't be shutdown for any reason except maintenance.

How does that work then??

 

[erecrtrican]

Open up the panel and look at the directory. See if any other battery packs are connected to it.

 

[Engineer54]

Open up the panel and look at the directory. See if any other battery packs are connected to it.

??????????????!!

 

[lauriehurman]

Now come on Brightspark, how can you have a switched feed, a permanent feed and a neutral with T&E?

As I understand it (I may be wrong) non-maintained means that it's a separate light which doesn't come on with the normal light switch, not one of the existing lights.

I'm not aware that (in this application) you need a special cable but you do need 3core (in my opinion).

Laurie

There non maintained squire...T+E will be fine...

 

[UNG]

Fair enough, its been about 7 or 8 years since i put an E light system in, and i cant remember the cable BS number, but it was the same as FP200 but had a white outer sheath. I also had to rewire one that was picked up on a HMO because it was in 1.5mm T&E.

I stand corrected if my assumption was wrong.

Cheers..........Howard

Given that in HMO's the emergency lights are usually fed from the local lighting circuit that is wired in T&E did this have to be rewired / upgraded as well or did you just have some jobsworth calling the shots that didn't have a clue

 

[Brightspark2]

Now come on Brightspark, how can you have a switched feed, a permanent feed and a neutral with T&E?

As I understand it (I may be wrong) non-maintained means that it's a separate light which doesn't come on with the normal light switch, not one of the existing lights.

I'm not aware that (in this application) you need a special cable but you do need 3core (in my opinion).

Laurie

Why would it need a switched and unswitched supply to the fitting?...You mean if the circuit was just linked to all fittings standard and emergencies switched from the same point then yes 3core would be used.

Theres different ways of wiring them though and as such T+E can be used.

With the OP it seems he's linking from a local fitting so T+E is fine.

 

[tazz]

Maintained emergency light are luminated constanly, exit signs etc. Non Maintained luminate on loss of power.
Both types are used fo purpose and required only power, ie T&E, fire proof cable is not require, as the units are self contained. If emergency lights are to be used as part of the normal lighting, then they need to be swiched, 3 core & E is require to provide power and switching.

 

[MDJ]

Do these have to be on their own lighting circuit?

Gasp, pete, come on man get a grip.

 

[MDJ]

Open up the panel and look at the directory..

Yellow pages ? :laugh3:

 

[bartkusal]

Maintained emergency light are luminated constanly, exit signs etc. Non Maintained luminate on loss of power.
Both types are used fo purpose and required only power, ie T&E, fire proof cable is not require, as the units are self contained. If emergency lights are to be used as part of the normal lighting, then they need to be swiched, 3 core & E is require to provide power and switching.

Exactly that. Well explained Tazz