“Lugs” most commonly refer to electrical connectors for joining cables, but can also mean protrusions for attachment (like on hinges or firearms), vehicle wheel fasteners (lug nuts), or slang for ears (Scottish) or demanding money. Essentially, a lug is a projecting part for gripping, connecting, or securing something, found in various forms from heavy electrical work to everyday items
In Electrical & Mechanical Fields:
- Cable Lugs: Connectors (often copper/aluminum) to attach wires to terminals, batteries, or equipment (e.g., ring, pin, fork types).
- Locking Lug: Protrusions on a firearm bolt that lock it into the barrel.
- Lug (Hinge/Knob): A small projection for hinge pins or as handles on pottery.
In Automotive:
- Lug Nuts/Wheel Lugs: Fasteners that secure a vehicle’s wheel to the hub.
Slang & Regional Terms:






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