2. Safety
PFC Operation Manual
42
825160-00, revision B
Electrical Hazards, Continued
Table 16. Electrical Hazard C
Classification
Desc
lassifications
ription
Type 1
Equipment is fully de-energized.
Type 2
Equipment is energized. Energized circuits are covered or insulated.
Type 3
Equipment is energized.
cuits are
inadv
contact with
nergize
ble.
Potential exposures are
peak
lts DC or 24
dry loca
Energized cir
exposed and
ertent
un-insulated e
no greater than 30 volts RMS, 42.2
d parts is possi
volts
; 60 vo
0 volt-amps in
tions.
Type 4
E
in
quip
is energized
cuits are
adv
contact with
nergize
ible.
Potential exposures are
60 vo
, or 240 volt
cations
ment
. Energized cir
exposed and
ertent
un-insulated e
greater than 30 volts RMS, 42.4 volts peak,
d parts is poss
lts DC
-amps in dry lo
.
If a Type 1 procedure (electrically cold) is being performed, lock and tag the equipment by
ttaching the appropriate locking device on the power distribution point, according to the
cility’s safety procedures. If no such procedures exist, follow the guidelines provided in
ockout/Tagout (LOTO)
a Type 2, 3, or 4 procedure is being performed, tag the equipment by attaching the
ppropriate warning labels at the source of power to the system and on the equipment itself,
ccording to the facility’s safety procedures. If no such procedures exist, follow the guidelines
rovided in
a
fa
L
If
a
a
p
