Wherever it is practical, all arc welding operations shall be shielded to prevent direct light rays or sparks from contacting persons in the vicinity or from reaching areas normally used to travel through or into the vicinity. Where this is not practical, persons who must be in the area are to use proper eye and skin protection. Other persons who are not participating in the welding or torch operations are not to be allowed into the hazard zone.
Welders and other employees who are exposed to arc welding radiation must wear suitable clothing and protective apparel to prevent burns and other types of ultraviolet radiation damage to the skin.
Arc welding machines must be shut down when being moved or when they are not in continuous use.
Electrode holders left unattended must have electrodes removed and must not be left where they might contact employees or conducting objects.
Energized electrodes must never be dipped in water.
Welding hoods must be checked for light leaks periodically to ensure the user will be protected against eye flash burns.
Welders must guard against allowing materials adjacent to or behind them to reflect radiation back toward them or towards others in the area. Reflected radiation can cause skin burns and eye flash burns.
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