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Black nylon locking receptacle with flush-mount screw terminals

Hubbell Incorporated

Hubbell Incorporated HBL2340 Locking Receptacle L8-20R 20 A 480V video accessory

SKU CH-TWKX-EZMAD

A 20 A, 480 V AC locking receptacle with straight orientation, flush mounting and screw-terminal wiring

  • Product typeLocking Devices
  • Product colorBlack
  • 20 A locking receptacle rated for 480 V AC
  • Straight NEMA L8-20R configuration for secure three-wire connection
  • Nylon housing with brass contacts resists wear in industrial use
  • Flush-mount single-gang design fits standard electrical boxes
  • Screw-terminal wiring allows reliable field installation

Electrical fit and purpose

This Hubbell HBL2340 locking receptacle is rated for 20 A at 480 V AC and uses the NEMA L8-20R configuration. It suits single-phase circuits that need a secure, polarized connection in industrial or commercial wiring projects.

Behaviour under sustained load

The contact material is brass and the wire connection uses screw terminals, which maintain consistent conductivity when the circuit runs continuously at the rated current. The nylon housing and non-flanged, flush-mount design keep the device stable in a fixed enclosure without a cover.

Thermals noise and power

The receptacle itself draws no power and produces no noise; heat rise depends on the upstream wiring and load. With a NEMA 1 enclosure rating it is intended for indoor, dry locations where ambient temperature stays within normal building ranges.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $29.99
Cheaper than about 60% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameHubbell Wiring Device-Kellems
Model nameHBL2340
Product typeLocking Devices
Product colorBlack

Questions about this item

Does the 20 A 480 V receptacle generate noticeable heat or noise when it carries a continuous load all day?

The HBL2340 is a passive locking receptacle with no moving parts or active electronics, so it produces no audible noise and negligible heat under normal 20 A operation.

What wiring and mounting hardware must I already have to install this L8-20R receptacle?

You need three conductors sized for 20 A at 480 V AC, a standard single-gang flush-mount box, and a screwdriver for the screw-terminal connections.

Will this NEMA L8-20R receptacle mate with older L8-20P plugs that are still in service?

Yes, the L8-20R configuration is a fixed NEMA standard, so any compliant L8-20P plug — regardless of age — will lock securely into this receptacle.

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