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Yellow watertight locking plug L14-20P straight thermoplastic housing four blades

Hubbell Incorporated

Hubbell Incorporated HBL26W74 Watertight Locking Plug L14-20P 20 A 125/250V AC

SKU CH-2QC9-DX8AA

Watertight locking plug rated 20 A 125/250 V AC with NEMA L14-20P configuration and screw terminals for cables .375 to .875 in

  • Product typeWatertight Devices
  • Main materialHAWA
  • Watertight seal protects connections in wet environments
  • 20 A rating handles heavy-duty generator loads
  • L14-20P 4-blade design fits 125/250V AC circuits
  • Chemical and impact resistant thermoplastic elastomer housing
  • Screw terminals accept cables from .375 to .875 in diameter

Watertight Locking Plug L14-20P

The Hubbell HBL26W74 is a NEMA L14-20P locking plug rated for 20 A at 125/250V AC. It suits industrial and generator connections where a secure, weatherproof inlet is required. The yellow thermoplastic elastomer housing resists chemicals and impact.

Screw Terminals and Cable Range

The plug uses screw terminals for standard wiring and accepts cables from .375 in to .875 in diameter. The watertight seal and polarized blades maintain a reliable connection in wet or dirty environments. The straight orientation simplifies panel alignment.

Capacity and Headroom

The three-pole, four-blade design handles single-phase loads up to the 20 A rating across both voltage legs. It is not suited for applications exceeding 20 A or for three-phase service. Users needing higher current or different NEMA configurations must select another device.

How it compares

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

Price $63.99
Pricier than about 56% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameHUBBELL
Product typeWatertight Devices
Size & build
Main materialHAWA

Questions about this item

How often should I re-torque the screw terminals on the HBL26W74 plug to keep the connection watertight?

Check and re-torque the screw terminals after the initial installation and then periodically during routine maintenance to maintain a secure, watertight connection.

What is the first limit reached when the L14-20P plug runs at full load for extended periods?

The 20 A current rating is the primary limit; sustained operation at this level requires cables rated for the load and secure terminal connections to prevent overheating.

How hot does the thermoplastic elastomer housing get when the plug carries 20 A continuously?

The industrial-grade housing is designed to withstand the heat generated at the rated 20 A load; ensure the cable diameter stays within the 0.375 in to 0.875 in range for proper strain relief and sealing.

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