Electrical Breakers | McMaster-Carr

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675 Products

Electrical

Circuit Breakers

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

Circuit Breaker Box Filler Plates

Circuit Breaker Box Filler Plates

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

Circuit Breaker Boxes

Circuit Breaker Boxes

Hold a series of circuit breakers in line; also known as load centers

Circuit Interrupters

Circuit Interrupters

Ground fault protection stops injuries from electric shocks; hardwire to equipment to break circuits

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Electrical Receptacles

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

Electrical Cord Circuit Interrupter Converters

Electrical Cord Circuit Interrupter Converters

Hardwire to extension cords to protect against electric shock in wet areas

Temporary Power Distribution Boxes

Temporary Power Distribution Boxes

Send power to equipment from generators or other sources when electricity is not available

Electrical Cord Reels

Electrical Cord Reels

Neatly store electrical cords for easy access

Outlet Strips

Plug in multiple devices to power them from a single outlet

Battery Chargers

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

Outlet Boxes

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

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