5.3. Electrical system U.K.
Electrical systems shall be designed and installed so as to ensure proper operation of the watercraft under normal conditions of use and shall be such as to minimise risk of fire and electric shock.
All electrical circuits, except engine starting circuits supplied from batteries, shall remain safe when exposed to overload.
Electric propulsion circuits shall not interact with other circuits in such a way that either would fail to operate as intended.
Ventilation shall be provided to prevent the accumulation of explosive gases which might be emitted from batteries. Batteries shall be firmly secured and protected from ingress of water.