34 Pa. Code § 39.281 - Insulation
(a) Portable
devices shall be provided with an adequate 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 touch. Toasters, grills, or other heating
devices in which the current-carrying parts at high temperature are necessarily
exposed, are exempted. Reference should also be made to §§
39.263 and
39.272 (relating to guarding live
parts; insulation).
(b) In
locations where the dielectric is exposed to mechanical injury it shall be
suitably protected.
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