Whirlpool ELECTRONIC ELECTRIC DRYER - Manual (Page 7)

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If using a power supply cord:
Use a UL approved power supply cord kit marked for use with
clothes dryers. The kit should contain:
■ A UL approved 30 amp power supply cord, rated
120/240-volt 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 approved strain relief.
If your outlet looks like this:
4-wire receptacle (14-30R)
Then choose a 4-wire power supply cord with ring or spade
terminals and UL approved strain relief. The 4-wire power supply
cord, at least 4 ft (1.22 m) long, must have 4, 10-gauge copper
wires and match a 4-wire receptacle of NEMA Type
14-30R. The ground wire (ground conductor) may be either green
or bare. The neutral conductor must be identified by a white
cover.
If your outlet looks like this:
3-wire receptacle (10-30R)
Then choose a 3-wire power supply cord with ring or spade
terminals and UL approved strain relief. The 3-wire power
supply cord, at least 4 ft (1.22 m) long, must have 3, 10-gauge
copper wires and match a 3-wire receptacle of NEMA
Type 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 cable
(with ground wire), protected with flexible metallic conduit. All
current-carrying wires must be insulated.
■ 10-gauge copper wire (do not use aluminum).
■ At least 5 ft (1.52 m) long.
GROUNDING INSTRUCTIONS
SAVE THESE INSTRUCTIONS
■ For a grounded, cord-connected dryer:
This dryer must be grounded. In the event of malfunction or
breakdown, grounding will reduce the risk of electric shock
by providing a path of least resistance for electric current.
This dryer uses a cord having an equipment-grounding
conductor and a grounding plug. The plug must be plugged
into an appropriate outlet that is properly installed and
grounded in accordance with all local codes and ordinances.
■ For a permanently connected dryer:
This dryer must be connected to a grounded metal,
permanent wiring system, or an equipment-grounding
conductor must be run with the circuit conductors and
connected to the equipment-grounding terminal or lead on
the dryer.
WARNING: Improper connection of the equipment-
grounding conductor can result in a risk of electric shock.
Check with a qualified electrician or service representative
or personnel if you are in doubt as to whether the dryer is
properly grounded. Do not modify the plug on the power
supply cord: if it will not fit the outlet, have a proper outlet
installed by a qualified electrician.