This washer/dryer is manufactured ready to install with a
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3-wire electrical supply connection. The neutral ground wire is
permanently connected to the neutral conductor (white wire)
within the dryer. If the dryer is installed with a 4-wire electrical
supply connection, the neutral ground wire must be removed
from the external ground connector (green screw), and
secured under the neutral terminal (center or white wire) of the
terminal block. When the neutral ground wire is secured under
the neutral terminal (center or white wire) of the terminal block,
the dryer cabinet is isolated from the neutral conductor.
If local codes do not permit the connection of a neutral ground
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wire to the neutral wire, see “Optional 3-wire connection” in
the “Electrical Connection” section.
A 4-wire power supply connection must be used when the
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appliance is installed in a location where grounding through
the neutral conductor is prohibited. Grounding through the
neutral is prohibited for (1) new branch-circuit installations,
(2) mobile homes, (3) recreational vehicles, and (4) areas
where local codes prohibit grounding through the neutral
conductors.
If using a power supply cord:
Use a UL listed power supply cord kit marked for use with
clothes dryers. The kit should contain:
A UL listed 30-amp power supply cord, rated 120/240 volt
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minimum. The cord should be type SRD or SRDT and be at
least 4 ft (1.22 m) long. The wires that connect to the dryer
must end in ring terminals or spade terminals with upturned
ends.
A UL-listed strain relief.
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If your outlet looks like this:
Then choose a 4-wire power supply cord with ring
or spade terminals and UL-listed strain relief. The
4-wire power supply cord, at least 4 ft (1.22 m)
long, must have four 10-gauge copper wires and
match a 4-wire receptacle of NEMA Type 14-30R.
The ground wire (ground conductor) may be either
4-wire
green or bare. The neutral conductor must be
receptacle
identified by a white cover.
(14-30R)
If your outlet looks like this:
Then choose a 3-wire power supply cord with ring
or spade terminals and UL-listed strain relief. The
3-wire power supply cord, at least 4 ft (1.22 m) long,
must have three 10-gauge copper wires and match
a 3-wire receptacle of NEMA Type 10-30R.
3-wire
receptacle
(10-30R)
If connecting by direct wire:
Power supply cable must match power supply (4-wire or 3-wire)
and be:
Flexible armored cable or nonmetallic sheathed copper
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cable (with ground wire), covered with flexible metallic
conduit. All current-carrying wires must be insulated.
10-gauge solid copper wire (do not use aluminum).
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At least 5 ft (1.52 m) long.
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