(a) Application. This section applies only to
facilities that are owned, operated, and maintained by an electrical utility or
an electrical railway utility in the exercise of its function as a utility.
EXCEPTION: Installations made in accordance with the
regulations of the California Public Utilities Commission (G.O. 95 or
128).
(b) Enclosures.
Equipment shall be:
(1) of the enclosed
type,
(2) installed in locked rooms
or enclosures, or
(3) located
within utility generating stations, substations and switch
yards.
(c) Access.
(1) Parts of electrical equipment requiring
access for maintenance or operation shall be so located that they will be
safely accessible.
(2) At least one
entrance not less than 24 inches wide and 6 ½ feet high shall be
provided to give access to the working space about energized electrical
equipment. When uninsulated energized parts are located adjacent to such
entrance, they shall be guarded.
(3) Permanent or portable ladders, stairways,
or other suitable means shall be provided to give safe access to the working
space around electrical equipment installed on platforms, balconies, mezzanine
floors, or in attic or roof rooms or spaces.
(d) Elevation of Exposed, Energized Parts.
Exposed energized parts above workspace and above areas
where persons normally walk or stand shall be maintained at elevations not less
than the vertical clearances listed in Table 2934 of Section
2934.
(e) Passageway and Open Spaces. Suitable
barriers or other means shall be provided to ensure that the workspace for
electrical equipment will not be used as a passageway during periods when
normally enclosed parts of energized electrical equipment are
exposed.
(f) Installation of
Electrical Equipment In An Outdoor Enclosure. Where electrical equipment with
exposed energized parts is installed in an outdoor enclosure, the enclosure
shall meet the following requirements:
(1) The
height of the enclosure shall be a minimum of 8 feet, unless totally enclosed.
EXCEPTION: The height of the enclosure shall be not
less than 10 feet (3 meters) where any exposed energized part is more than 8
feet above the ground, unless the energized part is located more than 5 feet
horizontally from the enclosure.
(2) The enclosure shall be so constructed
that it cannot be readily climbed.
(3) The size and location of openings in
fences or similar enclosures shall be such that persons are not liable to come
into accidental contact with energized parts or to bring conducting objects
into contact with them.
(4) Metal
gates or doors shall be grounded or bonded to a grounded metal enclosure. Metal
fences shall be grounded as required by Article 6.
(5) Buildings which form part of an enclosure
shall have no unguarded doors or windows which permit unintentional access to
the enclosure. Where the enclosure is adjacent to and below stairways, fire
escapes, balconies, or windows, suitable guards shall be installed to prevent
persons from making accidental contact with exposed energized
parts.
(g) Work Space.
Suitable work space shall be provided about exposed energized electrical
equipment to permit the safe operation and/or maintenance of such
equipment.
Notes
Cal. Code Regs. Tit. 8, §
2945
1.
Editorial correction of subsection (f)(4) filed 11-2-83 (Register 83, No. 45).
2. Amendment filed 12-10-87; operative 1-9-88 (Register 88, No.
1).
2. Amendment of subsection (d) filed 2-27-2018; operative
4-1-2018 (Register 2018, No. 9).
Note: Authority cited: Section
142.3, Labor
Code. Reference: Section
142.3, Labor
Code.
1. Editorial
correction of subsection (f)(4) filed 11-2-83 (Register 83, No. 45). 2.
Amendment filed 12-10-87; operative 1-9-88 (Register 88, No. 1).
2.
Amendment of subsection (d) filed 2-27-2018; operative
4/1/2018
(Register
2018, No. 9).