General

A power-driven endless belt that runs on idler wheels; used to carry building materials, etc.

In the basement.

Recessed below ground level.

Small-diameter wire of low currentcarrying capacity; covered with insulating material rated at 30 volts or less.

A type of bell-shaped trap used in floor drains; its use is prohibited by the National Plumbing Code.

A small transformer which supplies power, at low voltage, for operating a doorbell or the like.

A device once used to summon servants in an elegant home; in each room, the bell pull consisted of a

In a run of piping, a joint formed with flexible metal bellows which compress or stretch to compensate for linear