Sizing Equipment

2018521minimum size equipment grounding conductors for grounding raceway and equipment rating or setting of automatic overcurrent device in circuit ahead of equipment, conduit, etcnot exceeding amperes copper aluminum or copperclad aluminum 15 14 12 20 12 10 30 10 8 40 10 8 60 10 8 100 8 6 200 6 4 300 4 2 400 3 1 500 2 10.

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