USCG Exam PracticeElectrical safety and general safety
Electrical equipment installed in spaces containing machinery powered by gasoline must be which of the following?
- A. Waterproof and double-insulated
- ✓ Explosion-proof, ignition-protected, or part of an intrinsically safe systemCorrect
- C. Grounded to the hull and fitted with a ground fault interrupter
- D. Rated for the voltage and current of the circuit only
Why B is correct
46 CFR §183.530(a) requires that electrical equipment in spaces containing machinery powered by gasoline or other fuels with a flashpoint of 43.3 °C (110 °F) or lower must be explosion-proof, ignition-protected, or part of an intrinsically safe system.
Cited:46 CFR §183.530