Taymac ML500GCN Hubbell 1-Gang Weatherproof In-Use Cover, Expandable, EXTRA DUTY®, Gray

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**Promotion Terms & Conditions Apply. MARS Lighting & Electrical Supplies reserves the right to modify or cancel this offer at any time. Cannot be combined with any other promo/discounts/offer. Contact our in-store sales associate for details. *Minimum order quantities may be required to qualify for this promotional price. Offer valid till stocks last or 12/31/2026. Limited Quantities in stock, Orders fulfilled on First Come First Serve basis. Conditions Apply. All Promotional Sales considered as Final Sales. No Exchange No Returns.

Description

TayMac – A Hubbell Brand

TayMac ML500GCN Extra Duty Weatherproof In-Use Cover - Gray

The TayMac ML500GCN is a gray extra duty expandable weatherproof in-use outlet cover designed to protect outdoor receptacles while cords remain plugged in. Built by TayMac, a Hubbell brand, this 1-gang cover is ideal for exterior GFCI, duplex, decorator and switch applications across Ontario and every Canadian province.

Model ML500GCN Extra Duty In-Use Cover Expandable 1" to 3" GFCI / Duplex / Decorator Vertical or Horizontal NEMA 3R

Outdoor Receptacle Protection While the Outlet Is in Use

The ML500GCN protects outdoor outlets from rain, snow, dust and debris while a plug remains connected. It is a strong choice for outdoor GFCI receptacles, patio outlets, garage outlets, sheds, landscape lighting, holiday lighting, outdoor timers and weather-exposed power access points.

  • Extra duty design for demanding exterior electrical installations.
  • Expandable cover depth helps accommodate cords, plugs and adapters.
  • Part of the Hubbell outdoor electrical ecosystem alongside Bell weatherproof boxes.
Always confirm the correct cover, box, gasket and installation method with the Canadian Electrical Code and your local inspection authority before installation.

Expandable 1" to 3" Depth

Expandable design gives additional room for plugged-in cords, adapters and larger plug ends while maintaining outdoor weather protection.

Universal Device Fit

Designed for common outdoor receptacle setups including GFCI, duplex, decorator and switch device configurations.

Clear In-Use Cover

The clear cover allows the connected plug or device to remain visible while protected from outdoor exposure.

TayMac ML500GCN Weatherproof In-Use Cover Overview

The TayMac ML500GCN extra duty weatherproof in-use cover is designed for outdoor receptacle protection where plugs need to stay connected. Unlike a standard flip cover, an in-use cover protects the receptacle while a cord is plugged in, making it ideal for patios, decks, garages, sheds, exterior walls, outdoor tools, landscape lighting and seasonal power connections.


TayMac is a Hubbell brand, and this cover fits naturally within a complete Hubbell outdoor electrical installation. Pair it with Bell weatherproof boxes, RAB outdoor lighting and Intermatic timers or photocontrols to create a complete exterior electrical solution for Canadian residential, contractor and light-commercial projects.


  • Gray 1-gang expandable extra duty in-use outlet cover.
  • Designed for outdoor receptacles that remain plugged in.
  • Supports GFCI, duplex, decorator and switch configurations.
  • Suitable for Ontario and Canada-wide outdoor electrical projects.

Technical Specifications - TayMac ML500GCN

Specification Details
Manufacturer TayMac – A Hubbell Brand
Model ML500GCN
Product Type Extra Duty Weatherproof In-Use Cover
Gang 1-Gang
Color Gray
Cover Style Clear expandable cover
Depth Expandable from 1" to 3"
Device Compatibility GFCI, duplex, decorator and switch configurations
Mounting Orientation Vertical or horizontal
Material Polycarbonate with synthetic neoprene rubber components
Rating NEMA 3R
Listing UL / cUL Listed
Application Outdoor outlet and receptacle protection while in use

Installation Features

  • Expandable in-use design for plugged-in cords.
  • Supports vertical or horizontal mounting.
  • Pre-configured for GFCI-style applications.
  • Universal adapter design for common device types.

Best-Fit Uses

  • Outdoor GFCI receptacles.
  • Exterior wall outlets and service areas.
  • Patio, deck, garage and shed power points.
  • Outdoor timers, seasonal lighting and landscape lighting.

In-Use Cover Buying Guide

Use this cover when an outdoor receptacle must remain protected while a plug is connected. For Canadian exterior outlets, the cover, device, box and gasket should all be selected for the installation location and weather exposure.

Application Why ML500GCN Fits
Outdoor GFCI outlets Protects the outlet while plugged in and supports common GFCI device layouts.
Patio and deck power Expandable depth helps protect connected cords for outdoor living spaces.
Holiday and landscape lighting Useful where outdoor cords remain connected for seasonal or landscape lighting loads.
Garage and shed outlets Provides weatherproof protection for exterior walls, detached garages and utility spaces.
Timer-controlled outdoor circuits Pairs well with Intermatic timers, photocontrols and outdoor lighting control setups.
For full outdoor wiring protection, match this TayMac in-use cover with a suitable Bell weatherproof box, correct gasket, approved device and outdoor-rated fittings.

Related Outdoor Electrical Products

Build a complete outdoor installation by pairing TayMac in-use covers with Bell weatherproof boxes, RAB outdoor lighting and Intermatic timing or control products.

Hubbell Outdoor Ecosystem

  • TayMac in-use covers for outlet protection.
  • Bell weatherproof boxes for outdoor wiring.
  • Weatherproof covers, fittings and exterior installation accessories.
  • Contractor-friendly solutions for outdoor electrical work.

Pair With RAB & Intermatic

  • RAB wall packs, flood lights and outdoor fixtures.
  • Intermatic timers for scheduled lighting control.
  • Photocontrols for dusk-to-dawn operation.
  • Outdoor electrical supplies for complete project builds.

TayMac ML500GCN FAQs

What is an in-use outlet cover?
An in-use cover protects an outdoor receptacle while a plug remains connected. This is different from a standard flip cover, which mainly protects the outlet when it is not being used.
Is TayMac part of Hubbell?
Yes. TayMac is a Hubbell brand, and the ML500GCN is part of Hubbell’s outdoor electrical product family.
Will the ML500GCN fit a GFCI outlet?
Yes. The ML500GCN supports GFCI, duplex, decorator and switch configurations.
Can this cover be installed vertically or horizontally?
Yes. The cover supports both vertical and horizontal mounting orientations.
Where is this cover commonly used?
It is commonly used for outdoor GFCI outlets, patio receptacles, deck outlets, garage outlets, sheds, holiday lighting, landscape lighting and outdoor timer-controlled circuits.

Need Help Matching Outdoor Covers, Boxes, Lighting or Timers?

Mars Lighting & Electrical Supplies can help contractors, electricians, builders and homeowners match TayMac in-use covers with Bell weatherproof boxes, RAB outdoor lighting and Intermatic timers for complete exterior electrical installations.

Weatherproof Outlet Covers for Outdoor Electrical Installations Across Canada

The TayMac ML500GCN extra duty in-use cover is suitable for outdoor receptacle protection in residential, commercial, contractor and light-industrial projects across Canada. It is commonly used for exterior GFCI outlets, patio power, garage outlets, sheds, outdoor timers, landscape lighting, holiday lighting and weather-exposed electrical connections.

Mars Lighting & Electrical Supplies supports customers across Ontario, Alberta, British Columbia, Quebec, Manitoba, Saskatchewan, Nova Scotia, New Brunswick, Newfoundland and Labrador, and Prince Edward Island with outdoor electrical supplies including TayMac in-use covers, Bell weatherproof boxes, RAB outdoor lighting and Intermatic timers.

For Ontario customers, this product is available for projects in Kitchener, Waterloo, Cambridge, Guelph, Milton, Mississauga, Brampton, Toronto, Hamilton, London, Ottawa and surrounding areas. For Canada-wide orders, confirm stock availability, shipping options and project requirements before purchasing.

Couvercle étanche pour prise extérieure conçu pour protéger les prises électriques extérieures pendant leur utilisation au Canada.

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