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HBL21415B - Hubbellock 30A 600V 3-Pole 4-Wire Grounding Male Plug

Packaging: 1 of each
$311.90/ea $222.79/1 of each only $222.79/eaSave 29%

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OVERVIEW

Secure Power for Heavy-Duty Welding

As a welder, your power connection is the lifeline of your machine. A loose plug doesn't just mean downtime; it can cause arcing, overheating, and damage to your expensive equipment. The Hubbell HBL21415B Hubbellock Plug is the industry standard for welders who need a connection that stays put. Rated for 30 Amps and 600 Volts, this plug is built to handle the power draw of industrial welding power sources without breaking a sweat.

The "Twist Lock" feature is a game-changer for shop environments. We've all been there—dragging a heavy power cable across the floor, only to have the plug yank out of the wall receptacle. With the Hubbellock design, you insert the plug and twist it to lock it securely. It won't come out until you want it to. This is critical for maintaining a stable arc and protecting your machine's internal electronics from voltage drops caused by poor connections.

Durability is key in a welding shop. This plug features a tough black nylon housing that can take a beating. It resists crushing if stepped on and stands up to the grime, oil, and metal dust typical of fabrication zones. The 4-wire grounding configuration ensures your equipment is properly grounded, keeping you safe from electrical faults. If you are building a new extension cord for your 3-phase welder or replacing a cracked plug on an old machine, the HBL21415B is the professional choice for a safe, permanent fix.

Additional Information
Receptacle Type:Male
Packaging Description:1 per each
Amperage Rating:30A
Voltage Rating:600V AC
Poles And Wires:3-Pole 4-Wire Grounding
Cord Diameter Range:0.700" to 1.200"
Color:Black
Material:Nylon/Zytel
Cable Size:n/a

INCLUDED

  • 1 x Hubbell HBL21415B 30A 600V Male Plug
  • 1 x Assembly Instruction Sheet

APPLICATIONS

  • Connection of industrial welding machines to 600V power sources
  • Powering heavy-duty electric motors and pumps
  • Ship-to-shore power connections
  • Mobile industrial equipment and conveyors
  • Construction site temporary power distribution
  • Manufacturing plant maintenance and repair operations

FAQ

The HBL21415B is rated for 30 Amperes and 600 Volts AC.

No, this is a Hubbellock® specific configuration, which is non-NEMA. It is designed for superior safety and locking capability compared to standard NEMA locking devices.

This plug typically accepts conductor sizes ranging from #10 AWG to #6 AWG.

No, it will only mate with a corresponding 30A Hubbellock receptacle or connector body (e.g., HBL21414B). It will not fit standard NEMA outlets.

While the HBL21415B is built with industrial-grade materials and offers good resistance to environments, it is not rated as watertight or submersible. For wet locations, specific watertight boots or enclosures may be required.

Check your welder's manual or data plate. If it requires 3-phase power (or 3-pole, 4-wire connection) at up to 600V and 30A, and your shop uses Hubbellock receptacles, this is the correct plug.

Hubbellock plugs are often color-coded. The HBL21415B is typically black. Always verify the catalog number and voltage/amperage ratings rather than relying solely on color, as older models or different brands might vary.

If you are competent with electrical wiring, yes. However, due to the high voltage (600V), it is highly recommended that a qualified electrician performs the installation to ensure proper phase orientation and grounding safety.