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Electrical connections|Clearance distances|Electrical testing|Spark testing|Classification systems|Electric sockets|Fire risks|Rated current|Electrical equipment|Electric wiring systems|Protected electrical equipment|Type testing|Zone 2 hazardous areas|Design|Fuses|Calibration|Rated voltage|Explosive atmospheres|Luminaires|Marking|Temperature|Impact testing|Specimen preparation|Environment (working)|Machine guards|Leakage paths|Conformity|Electrical safety|Tracking index|Electric enclosures|Test equipment|Electric connectors|Surfaces|Rotating electric machines|Electric plugs|Fire safety|Circuits