§ 39.272. Insulation.
(a) Electric fixtures shall be provided with an adequate and mechanically protected dielectric, complying with the standardization rules of the American Institute of Electrical Engineers (A.I.E.E.), interposed between ungrounded current-carrying parts and those external surfaces which persons can touch.
(b) Those current-carrying parts of grills, heaters, and other heating devices, which operate at high temperatures and are necessarily exposed, are exempted. Reference should be made to § 39.263 (relating to guarding live parts).
Cross References This section cited in 34 Pa. Code § 39.273 (relating to exposed live parts); and 34 Pa. Code § 39.281 (relating to insulation).
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