maintained and non-maintained emergency fittings

[r.b]

What is the difference between maintained and non-maintained emergency fittings?.Are non-maintained the ones that can be switched on and off with a switch for normal lighting??????

 

[batty]

other way round.

 

[r.b]

So how are the emergencys above doors done then I know there on a red plug in 4 core and at the click you will have em,sw,neutraul +earth.Should it be exactly the same as the maintained ones that I have been doing or will this switch the ones above door on every time I throw the light sw?

 

[batty]

above doors they usually are maintained they will stay on constantly.

 

[r.b]

But am I doing it right should I have sw,emg neutraul +earth at the fittings above the doors or do I cut the sw out of the flex and dont bother with it the ones Ive seen they just have the green emg light on?

 

[batty]

Not sure what you are trying to do are you replacing an existing fitting installaing new wiring or what?

 

[shieldssecurity]

Non Mainained come on in the event of a power failure

Maintained are on all the time

Sustained have two bulbs. One is switchable and the other is the emergency light

 

[Lee321]

there is a general rule about this i forget, but public places or places with >x number public/employees require maintained. this helps identify that the emergency light will work when required . i.e the lamp is working now and you will observe it is so can safely assume it will work in a power fail. subject to battery maintenance testing as normal.

 

[r.b]

New wiring?

 

[batty]

I probably am getting confused here as you seem to have two threads running on this job.

 

[Evans Electric]

Is this a public building you are wiring or what?

Also before embarking on this you really should take the time to read up on the Em.Ltg. Regs.

 

[m4tty]

Does anyone have any information on the em lighting regs or links please

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Found this. http://www.robhaddowelectrical.co.uk/Emergency_Lighting_Regulations.pdf but anybody got a link to proper regs or decent books that explain emergency lighting. Cheers

 

[Zeespark]

BS 5266 I think Matty.

AndyGuinness

 

[m4tty]

Bs5266 found it

 

[Zeespark]

Emergency Lighting Course - BS5266

AndyGuinness

 

[sparkytim]

Non Maintained - ONLY comes on when supply to it fails

Maintained CAN BE on all the time OR SWITCHED ON with other lighting when building is in use.