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Brown polycarbonate adapter plate, two-gang, square with four openings

Hubbell Incorporated

Hubbell Incorporated HBL4AP 4-PLEX Adapter Plate Brown 2-Gang

SKU CH-0Q8M-19TQN

A hospital-grade, CSA-certified brown polycarbonate adapter plate that fits one- or two-gang boxes and provides a two-gang mounting surface

  • Product typeLighting Controls
  • Product colorBrown
  • Hospital-grade durability for demanding indoor environments
  • CSA certified and US listed for code-compliant installations
  • Fits both 1-gang and 2-gang device boxes
  • Impact-resistant polycarbonate construction in brown finish
  • Low 0.58 in profile keeps walls flat

Hubbell HBL4AP Adapter Plate

The Hubbell HBL4AP is a brown polycarbonate adapter plate designed for indoor, dry environments. It fits standard one- and two-gang device boxes and provides a two-gang mounting footprint. The plate carries CSA certification and is US Listed for hospital-grade applications.

Two-gang mounting and polycarbonate build

The plate measures 4.78 inches wide by 4.78 inches deep with an overall height of 0.58 inches. Its polycarbonate construction resists impact and meets hospital-grade durability requirements. The brown finish matches common institutional colour schemes and the flat profile sits close to the wall surface.

Replaces single-gang covers for expanded device

This adapter converts a single-gang opening into a two-gang configuration without cutting new box openings. The upgrade is worthwhile when adding a second switch, receptacle or low-voltage device in an existing location. It is not suited for outdoor or damp locations, nor for installations requiring a deeper device well.

How it compares

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

Price $7.99
Cheaper than about 90% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameHubbell Wiring Device-Kellems
Model nameHBL4AP
Product typeLighting Controls
Product colorBrown

Questions about this item

What standard does the HBL4AP adapter plate meet for indoor use?

The adapter plate is CSA certified and US listed for dry indoor environments.

What box size and gang count does the 2-gang brown plate fit?

It mounts on standard 1-gang or 2-gang device boxes and provides a 2-gang opening.

How is the HBL4AP plate secured and what step is often missed?

Fasten the plate to the device box using the included mounting screws; the step often missed is ensuring the box is flush with the finished wall surface before tightening.

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