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Electronic Code of Federal Regulations
An emergency lighting system must not have a switch, except:
(a) In a distribution panel;
(b) As required in §112.43-7; or
(c) In a circuit that serves a hazardous space such as a paint room or cargo handling room if the switch is located outside of the hazardous location.
[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996]