Any electrical equipment on board must be installed, maintained, tested and repaired in accordance
with existing regulations and only by qualified personnel.
Electrical wires that have bad insulation should be renewed.
Fuses and circuit breakers installed will be of proper size for their respective circuits.
Jury-rigging of an electrical outlet (to connect more than one appliance on one outlet) should
be avoided.
Prior leaving cabin for work, crewmember must switch off every light bulb in the cabin.
Overloading is dangerous. Only one appliance must be connected to each outlet in an electric
circuit.
Vapour tight electrical fixtures cause the insulation to dry out and crack more rapidly than
standard fixtures and should be examined carefully.
Electrical motors should be regularly inspected, tested, lubricated and cleaned.
While storage batteries are being charged, they emit hydrogen, which is lighter than air and a
highly flammable gas, a battery
room thus should have ventilation
at the highest point. Smoking and
any other source of ignition is
strictly prohibited in a battery
room.
When air driven lamps are to be
used in non-gas free atmosphere, to
avoid static electricity
accumulation, following
precautions must be observed.
Air supply should have a water
trap incorporated.
The supply hose must be of a low
electrical resistance.
Torches and Portable battery
powered equipment.
Flashlights approved by a
competent authority for use in
flammable atmospheres must be
used on board a tanker.
Only intrinsically safe type UHF/VHF portable walkie-talkie must be used.
Battery powered personal items like wristwatch, hearing aid and heart pacemakers are not
considered as significant ignition sources.
Ship staff must be warned against replacement / renewal of torch cells / batteries outside ship’s
accommodation.