(a) Electrical equipment used in the following spaces must be drip-proof:
- (1) A machinery space.
- (2) A space normally exposed to splashing, water wash-down, or other wet conditions within a galley, a laundry, or a public washroom or toilet room that has a bath or shower.
- (3) Every other space with similar wet conditions.
- (b) Electrical equipment exposed to the weather must be watertight.
- (c) Electrical equipment exposed to corrosive environments must be of suitable construction and must be resistant to corrosion.