Emergency or egress lighting wiring. What is required?

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qcroanoke

qcroanoke

Sometimes I don't know if I'm the boxer or the bag
Location
Roanoke, VA.
Occupation
Sorta retired........
If I have a building that is not normally occupied and I install an emergency light A.K.A "unit equipment" Am I required to put it on the circuit controlling the lights in that room or is it permissible to put it on its own circuit totally independent of any lighting circuit?
It is not required to be there but if it is installed does it have to be installed according to 700.12.F?
I'm really getting tired of this argument with some people about it. If I'm wrong, fine. I just need a good explanation of the rules on "unit equipment."
 
If the light is not a required emergency light by the building code then 700.12(F) would not apply.

700.12(F) only applies to required emergency lighting as specified by the building codes.

Chris
 
Generally, you have to put unit equipment on the same circuit as the normal lighting so the emergency lighting will come on if the breaker supplying the normal lighting trips. I believe there is an exception for an area served by at least (3) separate branch circuits.

Not sure how that fits with your building.
 
steve66 said:
Not sure how that fits with your building.
Click to expand...

That's just it...
Our buildings are used for cell sites and poco substations and are rarely occupied.
What code (building or otherwise) can I use to put a stop to the whining?
Our customers are not dummies and I really don't think I can use article 700 to put an end to it.
Raider said 700 doesn't apply and I kinda agree but to me why would you not put it on the same circuit as the lights in the building. We've even had them ask us to put a switch in to disable the DC lights till someone get to site.
But my thinking is: would you want to be the one in the building when power goes out and the DC bulbs are disabled?
 
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