In electrical contracting, a wiring system consisting of 4 wires and used in industrial and commercial applications. This system is suitable for installations requiring large motors. It consists of three hot wires and one ground wire. The voltage in each…
A type of flooring where the tongue of one board is joined to the groove of another board.
The finish materials in a building, such as moldings applied around openings (window trim, door trim) or at the floor and ceiling of rooms (baseboard, cornice, and other moldings). Also, the physical work of installing interior doors and interior woodwork,…
A reduction in certain performance limits caused by exposure to ultraviolet light.
A device to stop, start or regulate the flow of liquid or gas through or from piping.
Being or situated at right angles to the horizon; upright.
Any distortion in a material.
An abbreviation for water closet (toilet).
The stationary part of a window unit; the window sash fits into the window frame.
The section of a building that is served by one heating or cooling loop because it has noticeably distinct heating or cooling needs. Also, the section of property that will be watered from a lawn sprinkler system.