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Noncurrent-carrying metal parts of cord- and plug-connected equipment, where required to be grounded, shall be grounded by one of the methods indicated in (a), (b), or (c) below:
(a) By means of the metal enclosure of the conductors supplying such equipment if grounding-type attachment plug with one fixed grounding contact is used for grounding the metal enclosure, and if the metal enclosure of the conductors is secured to the attachment plug and to equipment by connectors approved for the purpose.
(b) By means of a grounding conductor run with the power supply conductors in a cable assembly or flexible cord properly terminated in grounding-type attachment plug with one fixed grounding contact. An uninsulated grounding conductor shall be permitted but, if individually covered, the covering shall have a continuous outer finish that is either green or green with one or more yellow stripes.
(c) By means of a separate flexible wire or strap, insulated or bare, protected as well as practicable against physical damage, where part of an approved portable equipment.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code.
1. Repealer and new section filed 3-20-79; effective thirtieth day thereafter (Register 79, No. 12). For history of former section, see Register 75, No. 42.
2. Editorial correction filed 11-2-83 (Register 83, No. 45).
3. Amendment filed 8-27-86; effective thirtieth day thereafter (Register 86, No. 37).