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Yellow thermoplastic watertight locking plug L16-30P straight orientation

Hubbell Incorporated

Hubbell Incorporated HBL28W76 Watertight Locking Plug L16-30P 30 A 480V AC line protection

SKU CH-W2NY-8KQ28

Watertight industrial locking plug rated 30 A at 480 V AC with screw terminals for cables from 0.375 in to 1 in

  • Product typeWatertight Devices
  • Watertight seal protects connections in wet environments
  • Industrial-grade thermoplastic elastomer housing resists chemicals and impact
  • Locking L16-30P configuration prevents accidental disconnection under load
  • Three-phase 480 V AC rating suits heavy-duty equipment
  • Screw terminals accept cables from 0.375 in to 1 in diameter

Watertight Locking Plug L16-30P

This Hubbell watertight locking plug carries a 30 A, 480V AC rating in a three-phase, four-blade NEMA L16-30P configuration. It is built for industrial equipment that requires a secure, polarised connection in wet or chemically harsh environments.

NEMA L16-30P Interface Limits

The locking design prevents accidental disconnection under vibration, yet the device is rated only for the stated voltage and current. It accepts cable diameters from 0.375 in to 1 in, so thicker or thinner conductors cannot be terminated safely.

Thermoplastic Elastomer Housing

The yellow thermoplastic elastomer shell resists impact and chemical exposure while maintaining a watertight seal when mated correctly. Screw-terminal wiring demands careful torque during installation, and the straight orientation suits inline cable runs rather than panel-mount applications.

How it compares

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

Price $73.99
Pricier than about 61% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameHUBBELL
Product typeWatertight Devices

Questions about this item

Which version of this plug matches my generator outlet?

The NEMA L16-30P configuration is a three-pole, four-blade locking type rated 30 A at 480 V AC. Match it to an L16-30R receptacle on your generator or panel.

What does the 30 A rating mean when I wire this plug?

It means the contacts and terminals are tested to carry 30 amperes continuously at 480 V AC three-phase. Size your cable and breaker for that load.

How does the L16-30P standard limit what I can connect?

The L16-30P standard defines a 480 V AC, three-phase, 30 A locking interface. It only mates with L16-30R receptacles and accepts cable diameters from 0.375 in to 1 in.

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