§ 75.507-1. Electric equipment other than power-connection points; outby the last open crosscut; return air; permissibility requirements.

140 words·~1 min read·/us/cfr/t30/s§ 75.507-1·

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(a)All electric equipment, other than power-connection points, used in return air outby the last open crosscut in any coal mine shall be permissible except as provided in paragraphs

(b)and

(c)of this section.

(b)Notwithstanding the provisions of paragraph

(a)of this section, in any coal mine where nonpermissible electric face equipment may be taken into or used inby the last open crosscut until March 30, 1974, such nonpermissible electric face equipment may be used in return air outby the last open crosscut.

(c)Notwithstanding the provisions of paragraph

(a)of this section, in any coal mine where a permit for noncompliance is in effect, nonpermissible electric face equipment specified in such permit for noncompliance may be used in return air outby the last open crosscut for the duration of such permit. \[38 FR 4975, Feb. 23, 1973\]

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§ 75.507-1

Electric equipment other than power-connection points; outby the last open crosscut; return air; permissibility requirements.

Fed. Reg.×375

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