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.
A new R-18 garage door costs about $1,400 (installed price for a two-car garage), so it really doesnât pay to replace yours based on energy savings alone. You can, however, add insulation, doorstop weather stripping and a new bottom seal to your existing door to gain some savings and comfort.