Featured Terms


Electrical Slang

What do a "bug" and a "cherry" have in common?

They are both electrical slang terms!

Curious about what these and other slang terms mean?

Scroll through our collection of slang terminology used in the electrical industry!

Whether you are an electrician, contractor, or just someone trying to understand what your local electrician is jabbering about, use the glossary to learn trade slang and electrical jargon.

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This is an open bottomed octagon ring that gets cemented into the building floor (deck) after being nailed to the wood sub flooring. By using back plates and covers, it becomes a complete deck box and is available in depths from 2" to 6" with knockouts from 1/2" to 1". It is called a concrete ring when it is extending an existing mud box and it can be called a mud box when it has a back plate and serves as a mud box. A classic mud box, however, comes as one unit with the back plate welded in place.

Those boxes are too far back. You'll need to use some goof rings.

Concrete Rings Image



A hollow, metal, flexible conduit system made of either steel or aluminum. Wires are pulled through them in accordance with NEC 350, 430-123, 502-4, 503-3, 517-30, 645-5. You find this used most often for fixture whips, motor attachments to safety switches, and other short run connections where a flexible system is more suitable than a rigid pipe system.

Flexible Metal Conduit Image



Holds gem box in sheetrock by offering counter pressure to the box ears.

Steamboat Image



Described as floor plate plug inserts, these threaded plugs seal-up an unused device opening in a floor box plate. You order them in sizes from 1/2" to 2".

Abandon Plug Image



Wet cement or concrete.



Provides abrasion protection in wire and cable splices.

Friction Tape Image



Plastic insulator to separate guts from the backbox (as in the cabinet that contains a panel).

Cherry Image


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