Safety devices structurally associated with lighting devices (gas- tight or water-tight arrangements F21V31/00; in general F16P; protective circuit arrangements per se H02H7/00)

Child Classifications

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• F21V 25/02 coming into action when lighting device is disturbed, dismounted, or broken
• F21V 25/10 coming into action when lighting device is overloaded, e.g. thermal switch
• F21V 25/12 Flameproof or explosion-proof arrangements