Electrical Covers | McMaster-Carr

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Outlet Box Designation

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Number of Outlets

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Knockout Trade Size

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Circular Outlet Diameter

Performance

Protects while in Use

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Number of Conduit Connections

For Conduit Material

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EAR99

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DFARS Specialty Metals

Cover Style

693 Products

Electrical

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

86 products

Outlet Boxes

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

210 products

Outlet Box Extenders

Add depth to an outlet box when there’s not enough space for components

50 products

Electrical Enclosure Covers

Replace Fibox enclosure covers

98 products

Electrical Enclosure Inspection Windows

View components without exposing them to dust and moisture

35 products

HMI Covers

Access HMI devices and other controls mounted to an enclosure while keeping out liquids and dust

114 products

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

5 products

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

114 products

Electrical Cords

Connect equipment and devices to a power supply

2 products

Switch Guards

Prevent people from activating switches accidentally

2 products

Manual Switch Covers

Completely cover switches to protect them from moisture and dust

42 products

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

2 products

Building and Machinery Hardware

Strut Channel Framing and Fittings

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

3 products

Heating, Ventilation, and Air Conditioning

Thermostat Guards

Restrict access to thermostats and protect them from damage

12 products

Safety Equipment

Fire Alarm Station Covers

Shield your fire alarm pull stations from damage and tampering

4 products

Lighting

Light Guards

Shield light bulbs to prevent them from breaking

21 products