502.11.2 Projectors without exhaust connection.
MC § 502.11.2
Projectors without an exhaust connection shall have contaminants exhausted through a mechanical exhaust system. The exhaust rate for electric arc projectors shall be not less than 200 cubic feet per minute (cfm) (0.09 m 3 /s) per lamp. The exhaust rate for xenon projectors shall be not less than 300 cfm (0.14 m 3 /s) per lamp. Xenon projector exhaust shall be at a rate such that the exterior temperature of the lamp housing does not exceed 130°F (54.4°C). The lamp and projection room exhaust systems, whether combined or independent, shall not be interconnected with any other exhaust or return system within the building.
