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power source, control, work table and water circulator to the building earth.

Conductors must be adequate to carry earth currents safely. Equipment

made electrically LIVE by stray current may shock, possibly fatally. Do not

EARTH to an electrical conduit or to a pipe carrying ANY gas or a flammable

liquid such as oil or fuel.

2) TORCH

A fully insulated torch should be used without protruding screws or other

damage.

3) CONNECTORS

Fully insulated lock-type connectors should be used to join a welding cable.

4) CABLES

Frequently inspect cables for wear, cracks and damage. IMMEDIATELY

REPLACE those with excessively worn or damaged insulation to avoid possibly

lethal shock from bare cable. Cables with damaged areas may be taped to

give resistance equivalent to original cable. Keep cable dry, free of oil and

grease and protected from hot metal and sparks.

5) TERMINALS AND OTHER EXPOSED PARTS

Terminals and other exposed parts of electrical units should have insulating

covers secured before operation.

6) SAFETY DEVICES

Safety devices such as interlocks and circuit breakers should not be

disconnected or shunted out. Before installation, inspection, or servicing of

equipment, shut OFF all power and remove line fuses (or lock or red-tag

switches) to prevent accidental turning ON of power. DO NOT open the

power circuit or change polarity while welding. If, in an emergency, it must be

disconnected, guard against shock burns, or flash from switch arcing. Always

shut OFF and disconnect all power to equipment. A power disconnect switch

must be available near the welding power source.