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Section 27.1
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Definitions |
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Section 27.2
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Consultation |
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Section 27.3
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Application procedures and requirements |
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Section 27.4
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Letter of certification |
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Section 27.5
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Certification of components |
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Section 27.6
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Certification plate or label |
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Section 27.7
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Date for conducting tests |
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Section 27.9
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Conduct of investigations, tests, and demonstrations |
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Section 27.10
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Extension of certification |
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Section 27.11
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Withdrawal of certification |
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Section 27.12
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Quality of material, workmanship, and design |
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Section 27.20
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Methane-monitoring system |
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Section 27.21
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Methane detector component |
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Section 27.22
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Automatic warning device |
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Section 27.23
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Power-shutoff component |
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Section 27.24
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Inspection |
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Section 27.30
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Testing methods |
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Section 27.31
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Tests to determine performance of the system |
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Section 27.32
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Test to determine explosion-proof construction |
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Section 27.33
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Test for intrinsic safety |
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Section 27.34
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Tests to determine life of critical components and subassemblies |
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Section 27.35
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Test for adequacy of electrical insulation and clearances |
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Section 27.36
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Tests to determine adequacy of safety devices for bulbs |
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Section 27.37
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Tests to determine adequacy of windows and lenses |
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Section 27.38
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Tests to determine resistance to vibration |
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Section 27.39
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Test to determine resistance to dust |
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Section 27.40
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Test to determine resistance to moisture |
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Section 27.41
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Purpose |