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Overcurrent protection for motor generator arc welders shall be as provided in (a) below. Where the nearest standard rating of the overcurrent device used is under the value specified in this Section, or where the rating or setting specified results in unnecessary opening of the overcurrent device, the next higher rating or setting shall be permitted.
(a) Each welder shall have overcurrent protection rated or set at not more than 200 percent of the rated primary current of the welder.
EXCEPTION: An overcurrent device shall not be required for a welder having supply conductors protected by an overcurrent device rated or set at not more than 200 percent of the rated primary current of the welder.
(Title 24, Part 3, Section 630-22.)
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code.
1. Editorial correction filed 11-2-83 (Register 83, No. 45).
2. Amendment of subsection (a) filed 8-27-86; effective thirtieth day thereafter (Register 86, No. 37).
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