Grouping two or more controls in one enclosure.
When two or more racks are connected together, side-by-side. This is done in installations when multiple racks are permanently installed and facilitates cabling between racks. Also referred to as a multi-bay installation.
The process of combining 2 or more lamps into one circuit using a twofer or similar connecting device. Also used to refer to any situation where two or more components of and electrical system are combined together in a parallel ciurcuit. See Also: Two-fer