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IAEI.ORG
November/December 2009
Separately Derived Systems
Analysis of Changes, NEC-2011 – Part II
Manufacturers explain that modifications were made to meet specific customer requirements, or for some unknown reason, the UL Mark or markings were not applied at the factory. What is UL’s position on
Can the wiring of normal and emergency power circuits be intermixed in luminaires?
What types of emergency lighting are listed by UL under the product category Emergency Lighting and Power Equipment (FTBR)?
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