34 Pa. Code § 39.244 - Spacing and barriers against short circuit
(a) Exposed bare parts of different potential
on any switchboard or panel shall be as few as practicable and these parts
shall be effectively separated.
(b)
Such parts, including bus bars, should, when practicable, be so located or
provided with such barriers or substantial insulating coverings that parts of
different potential are not accidentally short circuited by tools or other
conducting objects.
Notes
This section cited in 34 Pa. Code § 39.246 (relating to guarding current-carrying parts).
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