R 408.40746 Operation.

Rule 746. (1) Engine fuel, cooling water, or shielding gas shall not be allowed to leak. (2) A welding machine shall be disconnected when being moved and shall be turned off when not in use. (3) Electrodes shall be retracted or removed when not in use. Electrode holders not in use shall be placed so that they cannot make electrical contact with an employee, fuel, gas tanks, or conducting objects. (4) A welder shall not let live electrodes or holders touch his bare skin or damp clothing. When arc welding is performed in wet conditions or under a condition of high humidity, the welder shall be protected against electric shock. (5) Electrode holders shall not be cooled by immersion in water. (6) Welding shall not be permitted where fumes of chlorinated hydrocarbons are present or will reach or be drawn into the atmosphere surrounding the welding operation. (7) Before starting an arc welding operation, the welder shall do all of the following: (a) Assure the work lead is secured to the work. (b) Assure the magnetic work clamps are free of spatter on the contact surfaces. (c) Spread out the welding cable, if necessary, to prevent overheating and damage. (d) Assure grounding connections are secured to a good ground. (e) Assure the required switching equipment for shutting down the machine has been provided. (8) A welder shall not curl or loop welding cable around his or her body.