WAC 296-45-52505
Capacitors. The following additional
requirements apply to work on capacitors and on lines
connected to capacitors.
Note:
See WAC 296-45-335 through 296-45-345 for requirements pertaining to the de-energizing and grounding of
capacitor installations.
(1) Before employees work on capacitors, the capacitors
shall be disconnected from energized sources and, after a wait
of at least 5 minutes from the time of disconnection,
short-circuited.
(2) Before the units are handled, each unit in
series-parallel capacitor banks shall be short-circuited
between all terminals and the capacitor case or its rack. If
the cases of capacitors are on ungrounded substation racks,
the racks shall be bonded to ground.
(3) Any line to which capacitors are connected shall be
short-circuited before it is considered deenergized.
(4) After removal from service, short circuits shall
remain on capacitors in storage until returned to service.