§ 9.77. Electric welding.

 (a)  The point where electric welding operations are being conducted shall be so enclosed to prevent the harmful rays from the arc from reaching the eyes of any workmen.

 (b)  For the protection of the welder, that portion of the enclosure which is behind the welder shall be coated with a substance which will minimize all reflection and eliminate ultraviolet radiations.

 (c)  Operators of electric welding machines shall be provided with approved helmets or goggles unless such machines are equipped with shields attached to the top electrode.

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