Code of Federal Regulations · Section

§ 75.1103-7 — -7 Electrical Components; Permissibility Requirements

30 C.F.R. § 75.1103-7

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The electrical components of each automatic fire sensor and warning device system shall:

(a) Remain functional when the power circuits are deenergized as required by § 75.706; and

(b) Be provided with protection against ignition of methane or coal dust when the electrical power is deenergized as required by § 75.313, but these components shall be permissible or intrinsically safe if installed in a return airway.

30 C.F.R. § 75.1103-6 30 C.F.R. § 75.1103-8

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