(a) Each installed battery must not move more than one inch in any direction when a pulling force of 90 pounds or twice the battery weight, whichever is less, is applied through the center of gravity of the battery as follows:
- (1) Vertically for a duration of one minute.
- (2) Horizontally and parallel to the boat's center line for a duration of one minute fore and one minute aft.
- (3) Horizontally and perpendicular to the boat's center line for a duration of one minute to starboard and one minute to port.
- (b) Each battery must be installed so that metallic objects cannot come in contact with the ungrounded battery terminals.
- (c) Each metallic fuel line and fuel system component within 12 inches and above the horizontal plane of the battery top surface as installed must be shielded with dielectric material.
- (d) Each battery must not be directly above or below a fuel tank, fuel filter, or fitting in a fuel line.
- (e) A vent system or other means must be provided to permit the discharge from the boat of hydrogen gas released by the battery.
- (f) [Reserved]
- (g) Each battery terminal connector must not depend on spring tension for its mechanical connection to the terminal.
[CGD 73-217, 42 FR 5944, Jan. 31, 1977, as amended by CGD 81-092, 48 FR 55736, Dec. 15, 1983]