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Hubbell yellow watertight locking plug L15-30P 30 A

Hubbell Incorporated

Hubbell Incorporated HBL28W75 Watertight Locking Plug L15-30P 30 A line protection

SKU CH-XKVH-QWWQ4

Watertight locking plug rated 30 A with smooth body and stainless hardware for wash-down environments

  • Product typeWatertight Devices
  • Watertight construction protects connections in wet environments
  • Smooth body design simplifies cleaning and wash-down procedures
  • Strain relief nut maintains seal on body reducing debris ingress
  • Stainless steel hardware resists corrosion for lasting reliability
  • Locking L15-30P configuration delivers secure 30 A power connection

Watertight Locking Plug L15-30P

The Hubbell HBL28W75 is a 30 A watertight locking plug built for generators and electrical supplies. Its L15-30P configuration suits industrial and outdoor power connections where moisture and debris are present. Electricians and facility managers specify it for temporary power distribution and equipment hook-ups.

Smooth body and sealed strain relief

A smooth body design minimises collection points to simplify wash-down procedures. The strain relief nut always seals on the body, reducing debris ingress during normal use. Stainless steel hardware and corrosion-resistant connection points maintain electrical integrity in wet or harsh environments.

No bundled accessories or software

The product ships as a single plug without additional cables, covers or configuration tools. Installation relies on standard wiring practices and the integrated locking mechanism. Buyers needing cord sets, connector bodies or mounting hardware must source those separately.

How it compares

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

Price $69.99
Pricier than about 60% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameHUBBELL
Product typeWatertight Devices

Questions about this item

How do I install the HBL28W75 plug and which step is most often done incorrectly?

Strip conductors to the length marked on the plug, insert them into the L15-30P terminals and tighten each screw to the specified torque; the step most often missed is fully seating the strain-relief nut so it seals against the body.

What maintenance or replacement will the HBL28W75 need over time?

Inspect the stainless-steel hardware and corrosion-resistant contacts periodically; replace the plug if the locking mechanism no longer engages securely or if the watertight seal shows cracking.

What is the first limit reached on the HBL28W75 during sustained 30 A use?

The 30 A rating is the limiting factor; continuous operation at that current will hit the thermal limit of the L15-30P contacts before any other parameter.

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