34 Pa. Code § 39.201 - Storage batteries, transformers, and lightning arresters
(a) The
installation of nonportable storage batteries above 50 kilowatt-hour capacity,
at the 8 hour rate of discharge, shall be in accordance with the requirements
given in §§
39.121-39.127. If small storage
batteries, not included under §§
39.121-39.127, are placed in rooms used
also for other purposes, adequate guards or enclosures shall be provided, when
necessary, to prevent the approach of unauthorized persons, and special means
of ventilation when necessary to prevent the accumulation of inflammable gas.
For batteries whose operating voltage exceeds 150, construction shall comply
with §§
39.125 and
39.199(b)
(relating to guarding live parts in battery room; and guarding or isolating
live parts).
(b) The installation
of transformers having either winding over 300 volts to ground shall comply
with the provisions of §§
39.131-39.134 and if the operating
voltage of any winding exceeds 750, the transformers shall be made inaccessible
to unauthorized persons. Reference should also be made to §
39.197(c)
(relating to grounding).
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