A non-maintained emergency light is classified as NM3. This means that the luminary will illuminate during
Submitted by: Administrator* a) Normal conditions then automatically switch off after three hours
* b) Any power failure for up to three hours
* c) Both normal and power failure conditions then automatically switch off after three hours
* d) Power failures that last longer than three hours but not shorter than three hours
Answer - b
Submitted by: Administrator
* b) Any power failure for up to three hours
* c) Both normal and power failure conditions then automatically switch off after three hours
* d) Power failures that last longer than three hours but not shorter than three hours
Answer - b
Submitted by: Administrator
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