If part of your job is overseeing building maintenance and management from an electrical standpoint, how much thought do you give to emergency lighting? Providing sufficient illumination to light the ...

Commercial buildings require emergency lighting to facilitate the safe egress of occupants in the event of a power outage or other emergency. Emergency specifications that meet UL 924, Standard for ...

Every commercial space must take the need for emergency lighting and exit signs seriously. These systems are not just suggestions. They are required by law and form a foundational part of life safety ...

Power outages, car breakdowns, and other events rarely happen at the best time of the day. Having an emergency light source can make dealing with the situation much easier. But where do you find ...

Specifications for a third order lantern. Washington, Govt. print. off., 1862.--Specifications for a double dwelling for the keepers of the first order lights ...