The document provides an overview of the lighting design for the first floor of an electrical industrial project. It includes the first floor lighting layout, lighting calculations, circuiting and control plans, schedules for lighting panels and fixtures, and cut sheets for light fixtures. Special lighting requirements are outlined for hazardous material rooms, including the need for explosion proof fixtures that can withstand an internal explosion and have an operating temperature below the ignition temperature of the surrounding atmosphere.
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13. Explosion Proof Fixtures Required in Hazardous Material Room Requirements for Class 1 Div. 1 Location Enclosed & Gasketed Globe made of tempered glass which can withstand an internal explosion Lighting fixtures intended for use in hazardous locations have a temperature or T-Rating. This indicates the maximum operating temperature of the fixture. The operating temperature must be kept below the ignition temperature of the surrounding atmosphere
