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.
, Garage Door Technician, Specialist. According to garagedooropenershq.com, it will cost between $200 and $425 to install a single new garage door opener. The higher pricing is associated with a professional installation, but for the purpose of this discussion we will actually look at the costs and requirements for installing a new garage door opener on a DIY basis.