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164704 - Miller 50A 125/250V Flush Mount Receptacle NEMA 14-50R

Packaging: 1 PER EA
$651.05/EA $456.91/1 PER EA only $456.91/EASave 30%

Usually ships within 3-5 business days

OVERVIEW

Restore Auxiliary Power with the Genuine Miller 164704

Keep your Miller engine-driven welder running at full capacity with the Miller 164704 Receptacle. Over time, the receptacles on your welding generator can become worn, cracked, or heat-damaged due to frequent plugging and unplugging of heavy-duty cords. A compromised receptacle not only prevents you from using your auxiliary power but can also pose a significant safety hazard. This genuine Miller replacement part is the exact solution needed to restore the 50-amp, 125/250-volt output functionality of your machine, ensuring you can power your essential job site tools without interruption.

This receptacle features the standard NEMA 14-50R configuration, often referred to as a "range plug" style, which provides a versatile combination of 120V and 240V power capabilities depending on how your equipment is wired. With a 3-Pole, 4-Wire grounding setup, it offers superior safety compared to older non-grounded styles. The flush-mount design ensures that the receptacle integrates perfectly into your welder's front panel, maintaining the factory look and protecting the internal wiring connections from the elements. It is rated for a full 50 amps, making it robust enough to handle the high current demands of large motors, compressors, or secondary welding inverters.

When it comes to repairing your valuable welding equipment, fitment matters. The Miller 164704 is manufactured to the exact specifications required by Miller Electric. This means the mounting holes will align perfectly, the terminal screws will accept the correct wire gauge, and the depth will fit within the machine's enclosure without modification. Trying to retrofit a generic hardware store outlet can often lead to frustration and unsafe modifications. Stick with the part designed by the engineers who built your welder.

Don't let a broken outlet slow down your fabrication project. Whether you are running a mobile welding rig or maintaining a fleet of generators, having a reliable 240V power source is often just as important as the welding arc itself. This receptacle allows you to tap into the full potential of your generator's wattage. Replace your damaged or burnt-out socket with the Miller 164704 and get back to work with confidence, knowing your power connections are secure, safe, and built to last.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Amperage:50 A
Voltage:125/250 V
NEMA Configuration:14-50R
Wiring Configuration:3-Pole, 4-Wire
Mounting Type:Flush
Product Type:Receptacle

INCLUDED

  • (1) Miller 164704 Receptacle, Straight Blade 50A 125/250V 14-50R

APPLICATIONS

  • Replacement of damaged or worn 50A receptacles on Miller engine-driven welders.
  • Restoring auxiliary power output for running heavy-duty 125/250V tools.
  • Repairing generator power panels on industrial job sites.
  • Ensuring NEMA 14-50R compatibility for external equipment connections.

FAQ

This receptacle has a NEMA 14-50R configuration.

It is rated for 50 Amps and 125/250 Volts.

Yes, this is a genuine Miller OEM replacement part, SKU 164704.

It is designed for flush mounting into the machine's panel.

It features a 3-Pole, 4-Wire (3P4W) grounding configuration.

It fits many Miller engine drives that use a 50A auxiliary output. We recommend checking your machine's parts manual or serial number to verify compatibility.

Typically, this part number includes the receptacle itself. You may need to reuse existing hardware or purchase standard mounting screws separately.

While it is a standard NEMA 14-50R, it is sold as an industrial machine repair part. Ensure any application complies with local electrical codes.
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