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Yellow polycarbonate vertical weatherproof cover with self-closing lid

Hubbell Incorporated

Hubbell Incorporated HBL74CM25WOA 1-Gang Vertical Weatherproof Marine Electronic

SKU CH-8WTR-XMK4K

Weatherproof cover for single 15A and 20A receptacles, vertical self-closing lid, polycarbonate with neoprene gasket, UL listed, includes mounting screws

  • Product typeElectrical Boxes & Covers
  • Weatherproof protection for marine electrical connections
  • Self-closing lid seals automatically against moisture and debris
  • Yellow polycarbonate cover resists UV and impact in harsh environments
  • Fits single 15 and 20A straight blade or 15A twist-lock receptacles
  • UL Listed with CM standard for code-compliant marine installations

Single-Gang Vertical Weatherproof Cover

The Hubbell HBL74CM25WOA is a yellow polycarbonate cover designed for marine and outdoor electrical boxes. It fits FS or FD type boxes mounted vertically and accepts single 15 and 20 ampere straight-blade receptacles plus 15 ampere twist-lock receptacles. The unit carries UL and CM listings for code-compliant installations.

Self-Closing Lid with Neoprene Gasket

Installation uses the included mounting screws to fasten the cover to the box flange. The self-closing lid seals against a neoprene gasket when released, protecting the receptacle from moisture and debris. Misalignment of the box or an uneven mounting surface can prevent the lid from latching fully, compromising the weatherproof seal.

Limited to Single-Gang Vertical Mounting

The cover accommodates only one receptacle opening in a vertical orientation, so it cannot serve multi-gang or horizontal layouts. It is rated for 15 and 20 ampere straight-blade devices and 15 ampere twist-lock types; higher amperage or differently configured plugs will not fit. Builders needing multiple outlets or horizontal mounting must select a different enclosure.

How it compares

Measured against everything we stock in Boat Audio & Electronics, at today’s prices. Recalculated every night.

Price $55.99
Cheaper than about 56% of the 312 comparable items (median $69.49).

Specifications

Product
Brand nameHUBBELL WIRING DEVICE-KELLEMS
Product typeElectrical Boxes & Covers

Questions about this item

How can I verify the self-closing lid operates correctly after mounting the cover vertically?

After installation, press the lid open and release it; the spring-loaded mechanism should snap the lid shut fully and the neoprene gasket should compress evenly around the perimeter without gaps.

What hardware is included and what must I supply separately for a complete installation?

The package includes mounting screws for the cover; you must supply a compatible FS or FD weatherproof box, a 15 or 20A straight-blade or 15A twist-lock receptacle, and wiring connectors.

Which receptacles are compatible with this single-gang vertical cover?

The cover accepts single 15 and 20A straight-blade receptacles and 15A twist-lock receptacles; it is UL Listed and meets CM standards for those configurations.

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