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from cleaners, sprays and degreasers can be highly toxic when heated.
UV and IR Arc Rays
The welding arc produces ultraviolet (UV) and infrared (IR) rays that can
cause injury to your eyes and skin. Do not look at the welding arc without
proper eye protection.
-Always use a helmet that covers your full face from the neck to top of head
and to the back of each ear.
-Use a lens that meets ANSI standards and safety glasses. For welders under
160 Amps output, use a shade 10 lens; for above 160 Amps, use a shade 12.
Refer to the ANSI standard Z87.1 for more information.
-Cover all bare skin areas exposed to the arc with protective clothing and
shoes. Flame-retardant cloth or leather shirts, coats, pants or coveralls are
available for protection.
-Use screens or other barriers to protect other people from the arc rays emit-
ted from your welding.
-Warn people in your welding area when you are going to strike an arc so
they can protect themselves.
Fire Hazards
Do not weld on containers or pipes that contain or have had flammable, gas-
eous or liquid combustibles in them. Welding creates sparks and heat that
can ignite flammable and explosive materials.
-Do not operate any electric arc welder in areas where flammable or explo-
sive materials are present.
-Remove all flammable materials within 35 feet of the welding arc. If removal
is not possible, tightly cover them with fireproof covers.
-Take precautions to ensure that flying sparks do not cause fires or explosions
in hidden areas, cracks or areas you cannot see.
-Keep a fire extinguisher close in the case of fire.
-Wear garments that are oil-free with no pockets or cuffs that will collect
sparks.
-Do not have on your person any items that are combustible, such as lighters
or matches.
-Keep work lead connected as close to the weld area as possible to prevent
any unknown, unintended paths of electrical current from causing electrical
shock and fire hazards.
-To prevent any unintended arcs, cut wire back to ¼" stick out after welding.
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