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Yellow watertight locking plug L15-20P 20A 250V thermoplastic elastomer body stainless hardware

Hubbell Incorporated

Hubbell Incorporated HBL26W75 Watertight Locking Plug L15-20P 20A 250V line protection

SKU CH-N8P3-6RE3X

A watertight three-phase locking plug rated 20 A at 250 V AC with IP69K ingress protection and nickel-plated brass contacts

  • Product typeWatertight Devices
  • Watertight IP69K rating blocks moisture and dust ingress
  • Three-phase L15-20P design handles 20 A at 250 V AC
  • Nickel-plated brass contacts resist corrosion for reliable conductivity
  • Thermoplastic elastomer body withstands -40 °C to +60 °C operation
  • Accepts cord diameters from 0.375 in to 0.875 in

Industrial Three-Phase Locking Plug

The Hubbell HBL26W75 is a NEMA L15-20P watertight locking plug rated for 20 amps at 250 volts AC. It serves industrial facilities, generator hook-ups and outdoor equipment that require a secure three-phase, four-wire connection resistant to water and dust ingress.

Upgrade From Standard Industrial Plugs

This plug replaces non-locking or lower-rated connectors that can loosen under vibration or fail in wash-down environments. The step up is justified when IP69K protection, nickel-plated brass contacts and a thermoplastic elastomer body are required for chemical resistance and continuous operation from minus forty to sixty degrees Celsius.

Cord Capacity And Environmental Headroom

The strain-relief nut accepts cable diameters from point three seven five to point eight seven five inches, covering cord sizes from sixteen-three SJ up to ten-five S. It handles the specified amperage and voltage within the rated temperature range, while the UL-listed Type 4, 4X, 12, 6 and 6P enclosure seals against high-pressure spray and temporary submersion.

How it compares

Measured against everything we stock in Breakers & Circuit Protection, at today’s prices. Recalculated every night.

Price $62.99
Pricier than about 55% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameHUBBELL
Product typeWatertight Devices

Questions about this item

What cable diameter range does the L15-20P watertight plug accept?

The plug accommodates cable diameters from 0.375 in to 0.875 in, suitable for wire sizes from 16/3 SJ minimum to 10/5 S maximum.

How do you secure the cord inside the plug, and what step is often missed?

Tighten the strain relief nut onto the cable jacket to activate the sealing mechanism; the common error is leaving the nut loose, which breaks the watertight seal.

Which parts of the plug will need replacement after extended industrial use?

The nickel-plated brass contacts and blades may wear or corrode over time, and the thermoplastic elastomer body can degrade after prolonged exposure to the -40°C to +60°C operating range.

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