Since 1888, Hubbell Wiring Device-Kellems (a division of Hubbell Inc) has been manufacturing an extensive line of wiring devices & receptacles for electronic, lighting, medical, electrical, datacom and utility services. Read More




Fleet and Vehicle Maintenance

Test Instruments

Hand Tools

Electronics Appliances and Batteries

Material Handling





HVAC and Refrigeration


Lab Supplies


Furniture Hospitality and Food Service


Electrical Filter

Data and CommunicationView all

Electrical BoxesView all

  • Electrical Box Cover Accessories
  • Electrical Box Covers

    UL-listed and CSA-certified box covers for 50 ampere twist-lock single receptacles. Made from galvanised steel and designed to operate at temperatures ranging from -40 to 75 degrees Celsius

  • Electrical Safety Boxes

    CSA-certified electrical safety boxes used to protect electrical wiring from damage in indoor installations. Made from high-quality steel and feature a rectangular flush mount box with 4 gangs

  • Floor Box Cover Accessories

    Metallic and polycarbonate floor box covers used to protect in-floor electric systems from damage and to provide protection against electric shocks

  • Floor Box Covers

    Used to protect in-floor outlet boxes from damages and prevent accidental contact with live circuits. Can be installed over the outlet box to guard the receptacles from foot traffic, dirt and debris

  • Floor Boxes

    Enable electrical access anywhere in the building, and not just on the walls and ceilings. Feature corrosion-resistant construction with levelling feet ideal and oversized threaded conduit access holes for on-grade and low-voltage applications, respectively

  • Weatherproof Box Cover Accessories
  • Weatherproof Box Covers

    Designed to prevent the infiltration of accumulated water or rain into sockets. Ideal for use with FS or FD weatherproof boxes, single 50A straight-blade receptacles and 50A Twist-Lock receptacles. Feature a self-closing lid and thermoplastic construction

  • Weatherproof Boxes

About Hubbell Wiring Device-kellems

The extensive Hubbell Wiring Device-Kellems catalogue comprises floor boxes, switches, connectors, plugs, receptacles and electrical wall plates. Hubbell extension cords temporarily provide power to power tools, patio heaters & outdoor lighting operations. These extensions feature a metal outlet box for withstanding industrial abuse and a flexible electrical cable having a power rating of 125kW. Hubbell twist lock connectors are suitable for interfacing electrical tools & devices with a power source in outdoor lighting installations. As the name suggests, these connectors feature a twist-lock mechanism to prevent accidental disconnection and secure plugs on receptacles.

Things to Consider

Cross-Reference Alternatives

Hubbell Wiring Device-Kellems' MPNs cross individual references to the equivalent Appleton Electric model numbers. So if you are looking for competitor items that are either out of stock or obsolete, chances are Raptor Supplies has the equivalent Hubbell products available. Customers can also cross-reference most products using the last 5 digits of the model numbers


These Hubbell devices can handle voltages ranging from 120 to 600VAC. They are usually small in size and require careful packaging as some products might get damaged while shipping. Hence, these products are delivered by courier shipment and not air freight for minimum downtime.

Major Trade Names

Hubbell Wiring Device-kellems Competitive Advantages

inSIGHT Data Monitoring Devices

These devices wirelessly track and monitor indicators such as power, current, internal device temperature, utility-grade metering, voltage and data trends using the brand's power cables, sleeve devices, smart pins and circuit & environment monitors. These devices deliver data directly for analytics and help predict potential process changes.

SNAPConnect Receptacles

These receptacles offer SNAPConnect terminals to plug directly into the receptacles for quick installation. They have a modular design to minimise exposed active parts & replace pigtails for safe & reliable connections. The 3-in-1 tester guarantees proper wiring.

Frequently Asked Questions

Where is Hubbell headquartered?

Hubbell was founded by Harvey Hubbell as a proprietorship in 1888, at Orange, Connecticut. In 1905, it was moved to Shelton, Connecticut, United States, where it is currently headquartered.

How do you wire a twist lock plug?

  • Connect the neutral wire to the silver-coloured terminal and wrap it clockwise around the screw in the Twist-Lock plug.
  • Tighten the screw.

What is the purpose of twist and lock connectors?

They can protect devices from water entering the connection, which may lead to electrical surges. This twist-lock feature creates a tight connection and seal.