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Always make sure the work clamp is well connected to the material being welded. The connection
must be done as close as possible to the area being welded.
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Maintain the work clamp, electrode holder, welding cables and welding machine in good condition.
Replace damaged parts.
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Never dip the electrode in water for cooling.
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Never simultaneously touch electrically active parts of electrode holders or work clamps connected to
two welders.
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When working above oor level, use a safety belt to protect yourself from an accidental fall.
FUMES AND GASES CAN BE DANGEROUS.
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Welding may produce fumes and gases hazardous to health. Avoid breathing these fumes and gases.
When welding, keep your head out of the fume. Use enough ventilation and/or exhaust at the arc to
keep fumes and gases away from the breathing zone. When welding with electrodes which require
special ventilation such as stainless or hard facing or on lead or cadmium plated steel and other metals
or coatings which produce highly toxic fumes, keep exposure as low as possible and below threshold
limit using mechanical ventilation. In con ned spaces or in some circumstances, outdoors, a respirator
with adequate lters may be required. Additional precautions are also required when welding on
galvanized steel.
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Avoid welding near locations with chlorinated hydrocarbon vapors coming from degreasing and
cleaning operations. The heat and electricity of the arc can react with solvent vapors and form
phosgene, a highly toxic gas, and other irritating products.
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The gases used for arc welding can displace air and cause asphyxia, intoxication or death. Always use
enough ventilation, especially in con ned areas, to make sure breathing air is safe.
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Read and understand the manufacturer's instructions for this equipment and the consumables to be
used, including the material in the safety data sheet and follow your employer's safety practices.
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Use a shield with an adequate lter to protect your eyes from sparks and the rays of the arc when
welding or for observing the welding arc.
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Use appropriate clothing made from ame-resistant material to protect your skin and that of your
helping personnel from the welding arc rays.
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Protect the nearby personnel with protective non- ammable elements. The nearby personnel must be
warned about not to watch the arc directly nor expose themselves to the arc.
ARC RAYS CAN BURN
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