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The SUPCO sdc3-30-10 is a 3-wire electric dryer power cord rated for 250 volts and 30 amps. At 10 feet in length, it provides adequate reach for most residential laundry room installations where the outlet is positioned behind or beside the appliance. This heavy-duty cord is designed to connect a standard electric dryer to a 3-slot NEMA 10-30 style receptacle. Electricians and appliance technicians install this type of cord as a direct replacement when an existing cord is damaged, when a dryer is relocated, or when a new appliance is delivered without a power cord.
This cord is suited for residential electric dryer installations where a 3-wire connection is required. Many older homes and rental properties are wired with 3-slot dryer outlets, making a 3-wire cord the correct choice for those locations. The 10-foot length gives installers flexibility when the outlet is not directly behind the unit. It is not appropriate for installations that require a 4-wire cord with a separate ground conductor.
Designed as a replacement 3-wire dryer power cord for residential electric dryers connected to 3-slot, NEMA 10-30 style outlets rated at 250 volts and 30 amps.
Installation should be performed by a licensed electrician or qualified appliance technician in accordance with local electrical codes and the NEC. Always disconnect power at the circuit breaker before servicing the dryer terminal block. Secure the cord with the strain relief fitting at the appliance entry point to prevent pull-out and conductor damage. Verify the outlet type and local code requirements before selecting a 3-wire cord, as current NEC editions require 4-wire connections for new branch-circuit installations.
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