Construction Glossary C

Casing Molding of various widths and thicknesses used to trim door and window openings at the jambs. Circuit breaker A switching device, located in the main electrical panel, that opens and closes electrical circuits and automatically shuts off electricity to a circuit should it become overloaded. Once the electrical load is reduced, the breaker switch can be turned back on to resume normal service. Concrete dusting A fine dust that accumulates on finished concrete surfaces. Condenser An exterior unit that is part of the air conditioning system which expels heat into the outside air. Conduit, electrical A pipe, usually metal, in which insulated electrical wire is installed. Corner bead An angled metal edging used to protect and form an edge where drywall panels meet at outside edges.
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