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Glossary Category:

Threshold

The plate at the floor level of a door located between the casing edges that mark the interior from the exterior of the door.

THW or TW Electrical wire

A single strand of insulated electrical wire that must be installed in a protective conduit or container when in use.

Toe-nailed

A means of fastening the end of a plank such as a floor joist to the side of a beam with nails where the nails are the only means of supporting the end of the joists.

Tongue-and-groove

A term used for planks in wall siding where the planks are secured together at the edges by a tongue on one side of a plank in the groove of the opposite side of an adjacent plank.