Hubbell HBL77CM74WO Weatherproof Cover
SKU HUB-HBL77CM74WO
Hubbell HBL77CM74WO weatherproof cover.
- Style
- For 50A Twist-Lock® Single Receptacle
- Outlets
- 1-Device
- Function
- Covers
- Mounting
- Vertical FS/FD Mount- Mounting Screws
Stocked items typically ship the next business day from our US warehouse. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy
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About this product
Hubbell HBL77CM74WO weatherproof cover
The Hubbell HBL77CM74WO is a weatherproof cover.
Key features
- Operating temperature: Maximum continuous 75°C and minimum -40°C without Impact
Application & installation notes
Where this cover/plate is used in wet or damp locations, Hubbell PD1557 requires a sound gasketed mounting surface; irregular surfaces may require resilient permanent caulk to maintain the seal.
Product details
- Style
- For 50A Twist-Lock® Single Receptacle
- Outlets
- 1-Device
- Function
- Covers
- Mounting
- Vertical FS/FD Mount- Mounting Screws
Shipping & returns
- Stocked items typically ship the next business day from our US warehouse.
- 30-day returns on unused stocked items. Exclusions apply. See policy
- Custom and quoted items are non-returnable once production begins.
Warranty
Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.
Read the full warranty termsTechnical support
Need help choosing the right part?
Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.
Certifications & training
- ABYC-aware build practices
- OEM-grade marine wire & terminals
Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.
Share your project
Have you used this product in a project? Send us photos of your install for consideration in our project gallery.
Why buy from Common Ground Marine
- 20+ years building marine wiring harnesses, panels, and shore-power systems.
- Engineers — not a phone tree — review every custom build before parts are cut.
- OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.