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NEC Article 555 details the electrical safety standards for the marina & docking industry. See what's new in the 2026 edition of the Code Book.

As you might expect, when you mix water and electricity things tend to become fairly dangerous. It is especially true when involving boats, as most, if not all boats run on electricity in some form or capacity.

Electric Shock Drowning (ESD) is the result of the passage of a typically low level AC current through the body with sufficient force to cause skeletal muscular paralysis, rendering the victim unable to help himself / herself, while immersed in fresh water, eventually resulting in drowning of the victim. Higher levels of AC current in the water will also result in electrocution. Electric Shock Drowning (ESD) has become the catch all phrase that encompasses all in-water shock casualties and fatalities.

Keep your family and guests safe when docked at home or away. North Shore Safety’s portable Marine ELCI immediately trips when it detects electrical leakage from your boat with a 30mA trip level, nuisance tripping is minimized while still providing potential lethal shock protection. Our Marine ELCI gives you peace of mind that your boat is not going to be the cause of an electrical shock drowning.

Keep your family and guests safe when docked at home or away. North Shore Safety’s portable Marine ELCI immediately trips when it detects electrical leakage from your boat with a 30mA trip level, nuisance tripping is minimized while still providing potential lethal shock protection. Our Marine ELCI gives you peace of mind that your boat is not going to be the cause of an electrical shock drowning.

Your marina members and guests rely on dependable power from dock pedestals to operate essential equipment like air conditioners, refrigerators and battery chargers, and to maintain a comfortable lifestyle while they’re on board. Without individual ELCI protection on every pedestal, one boat’s electrical leakage becomes every boater’s problem which can cause fatal electric shock drowning.

NEC Article 555 states the electrical safety measures for the marine industry. Learn more about the ground fault protection standards of boats, docks, and more.