General. – 1910.303

Note to paragraph (b)(1)(i) of this section: Suitability of equipment for an identified purpose may be evidenced by listing or labeling for that identified purpose.

Note to paragraph (b)(8)(i) of this section: Wooden plugs driven into holes in masonry, concrete, plaster, or similar materials are not considered secure means of fastening electric equipment.

Table S-1. -- Minimum Depth of Clear Working Space at Electric Equipment, 600 V or Less

Note to paragraph (g)(1)(vii)(A) of this section: A dropped, suspended, or similar ceiling that does not add strength to the building structure is not considered a structural ceiling.

"DANGER -- HIGH VOLTAGE -- KEEP OUT."

Note to paragraph (h)(5)(vi) of this section: Piping and other facilities are not considered foreign if provided for fire protection of the electrical installation.

Table S-2. -- Minimum Depth of Clear Working Space at Electric Equipment, Over 600 V

Table S-3. -- Elevation of Unguarded Live Parts Above Working Space

[46 FR 4056, Jan. 16, 1981; 46 FR 40185, Aug. 7, 1981; 72 FR 7191, Feb. 14, 2007, 73 FR 64205, Oct. 29, 2008]

Continued here:
General. - 1910.303