Extension Rings | McMaster-Carr

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Product Family

Extension Cords

Outlet Box Covers

Outlet Box Extenders

Strut Channel Framing and Fittings

Shape

Outlet Box Designation

Material

Depth

2 1/4" to 3 1/2"

Number of Outlets

Knockout Trade Size

Device Type

Circular Outlet

Conduit Connection

Number of Knockouts

NEMA Type

For Maximum Number of Devices

Conduit Trade Size

Environment

Outlet Box Component

Performance

Abrasion Resistant

Impact Resistant

Moisture Resistant

Protects while in Use

For Conduit Material

Stainless Steel

Number of Conduit Connections

Capacity

Color

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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237 Products

Outlet Box Extenders

Extenders with Knockouts for Steel Outlet Boxes

Extenders with Knockouts for Steel Outlet Boxes

Add depth to outlet boxes

Extenders with Knockouts for Steel Switch Boxes

Extenders with Knockouts for Steel Switch Boxes

Add depth to switch boxes

Extenders for Weatherproof Outlet Boxes

Extenders for Weatherproof Outlet Boxes

Add depth to weatherproof outlet boxes

Other Products

Outlet Box Covers

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Extension Cords

Extension Cords

Extend the reach of power from an outlet

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)