Well it looks like I was wrong. You learn something every day.
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Discuss Emergency Lighting Fp?????? in the Lighting Forum area at ElectriciansForums.net
Seems to be some confusion here, as guitarist has stated there is maintained, switchable for public lighting etc, and non maintained which only comes on when there is a loss of power. And I think were we are all getting carried away is the method or system which is installed where fire proof cable is used. Most small installation only require self contained EM, and only equire T&E.
Some larger commercial installaion may be designed with a remote UPS running at 110v or 230v. on these systems pyro, fp200 or fp100 singles will be needed to provide power to the em lights. This fitting usually just has a basic relay fitted which drops out to ups on mains failure.
Reply to Emergency Lighting Fp?????? in the Lighting Forum area at ElectriciansForums.net