Part 120 - Electrical Installation  


Subpart A - General Provisions
§ 120.100 - Intent.
§ 120.115 - Applicability to existing vessels.
Subpart B - General Requirements
§ 120.200 - General design, installation, and maintenance requirements.
§ 120.210 - Protection from wet and corrosive environments.
§ 120.220 - General safety provisions.
Subpart C - Power Sources and Distribution Systems
§ 120.310 - Power sources.
§ 120.312 - Power sources on vessels of more than 19.8 meters (65 feet) in length carrying more than 600 passengers or with overnight accommodations for more than 49 passengers.
§ 120.320 - Generators and motors.
§ 120.322 - Multiple generators.
§ 120.324 - Dual voltage generators.
§ 120.330 - Distribution panels and switchboards.
§ 120.340 - Cable and wiring requirements.
§ 120.350 - Batteries - general.
§ 120.352 - Battery categories.
§ 120.354 - Battery installations.
§ 120.360 - Semiconductor rectifier systems.
§ 120.370 - General grounding requirements.
§ 120.372 - Equipment and conductor grounding.
§ 120.376 - Grounded distribution systems (Neutral grounded).
§ 120.378 - Ungrounded systems.
§ 120.380 - Overcurrent protection.
§ 120.390 - Shore power.
§ 120.392 - Radiotelephone installations.
Subpart D - Lighting Systems
§ 120.410 - Lighting fixtures.
§ 120.420 - Navigation lights.
§ 120.430 - Portable lights.
§ 120.432 - Emergency lighting.
§ 120.434 - Lifeboat and liferaft floodlights on vessels of more than 19.8 meters (65 feet) in length with overnight accommodations for more than 49 passengers.
Subpart E - Miscellaneous Systems and Requirements
§ 120.520 - Lifeboat winches.
§ 120.530 - Hazardous areas.
§ 120.540 - Elevators.
§ 120.550 - General alarm systems.