1 Lug (electrical connector), a bolt on an enclosure tied to an electric potential within the enclosure, supporting the connection of a cable.  Lug (knob), handles are a kind of flattened knob attached to the side of pottery.
A garage door will cost anywhere from $200 for single doors to $4,000 for two or more doors, with better materials accounting for the higher cost. Most homeowners report spending about $1,063 for the door and installation.
Each has its proverbial pluses and minuses, and each comes with a different range of costs and requirements. According to DIYOrNot.com, it will cost between $200 and $425 to install a single new garage door opener. Selecting an opener-The screw-drive varieties will cost between $150 to $250 for the equipment and will be far less noisy than the chain drive versions. 2  The chain drive types average $130 to $180 for the equipment, and the belt drives are the quietest and most costly averaging between $170 and $350 each.