Explosion-proof lighting installation

Proof lights before installation instructions with the product from the nameplate check: Explosion type, class, grade, group; Protection class housing; mounting fasteners and mounting requirements.  electric meter  lights installed to securely fasten the fastening bolts shall be arbitrarily replaced, spring washers should be complete.  electric transformer  and waterproof seal installation should be placed as well. Cable entry, cable  Circuit breaker  washer to work closely with the cable section should be rounded, and the jacket surface should not have irregularities and other defects. Excess inlet, subject to proof type block and tighten the compression nut, so that the inlet seal.