Overview
The Hubbell HBL6036 is a long black weatherproof connector boot engineered to provide robust environmental protection for Twist-Lock electrical devices. Part of Hubbell’s Seal-Tite® series, this boot covers plug connections and ensures secure, weather-resistant sealing in demanding applications such as outdoor installations, temporary power systems, and industrial environments where moisture and contaminants pose a risk to electrical integrity.
Key Features
- Weatherproof Protection — Triple-seal design prevents water, dust, and contaminants from entering connector chambers
- Compatible with 20/30A Connectors — Fits both 4-wire and 5-wire Insulgrip plugs and connectors
- Long Black Boot Design — Extended coverage for superior environmental protection and enhanced durability
- Thermoplastic Elastomer Construction — Durable material resistant to ozone, UV, and temperature extremes
- Easy Installation — Slip-on design for quick field application without tool requirements
- Industry Standard — Meets Hubbell’s quality and reliability standards for professional electrical use
Technical Specifications
- Amperage Rating: 20A, 30A
- Wire Configuration: 4-wire, 5-wire
- Material: Thermoplastic elastomer (black)
- Boot Type: Long weatherproof cover
- Series: Seal-Tite®
- Environmental Rating: Flammability HB or better per UL94
- Operating Temperature Range: -40°C to +75°C (continuous)
- Brand: Hubbell Wiring Device-Kellems
Typical Applications
- Outdoor and temporary power installations
- Generator and portable equipment connections
- Marina and marine electrical systems
- Construction and industrial jobsite power
- HVAC and mechanical equipment connections
- Event and festival power distribution
- Harsh environment industrial facilities
Compatibility & Replacements
Compatible With
- Hubbell Insulgrip Twist-Lock plugs and connectors (20A and 30A)
- 4-wire and 5-wire Twist-Lock configurations
- Sealed connector systems requiring weatherproof protection
- Industrial power distribution systems
Replaces / Drop-In Replacement For
- Verify compatibility with your original equipment specification. The HBL6036 is designed as a protective accessory for existing Twist-Lock plugs; consult your system integrator for specific replacement applications.
Works With
- Hubbell Twist-Lock® device ecosystem
- Standard NEMA Twist-Lock configurations
- Insulgrip connector bodies (standard and heavy-duty)
- Outdoor electrical distribution networks



