Cover plate for flush-mounted wiring devices - a cover intended to close the flush-device box
and cover the edges of the wall opening in which the box is located. The cover is either a blank plate,or a plate intended to be fastened directly to a wiring device.
Device -a unit of an electrical system that is intended to carry, not utilize, electrical energy.
Dripproof -a designation of a marine-use product that is constructed or so protected that falling
drops of liquid or solid particles striking the enclosure, from 0 -15 degree downward from vertical, do not
interfere with the intended operation of the equipment.
Elastomer - rubber or any polymer that has properties similar to those of rubber (also referred to as solid elastomer in this Standard).
Flush-device box - a box with provision for mounting one or more flush wiring devices.
Outlet box hood - a product intended to fit over a cover plate for flush-mounted wiring devices, or
an integral component of an outlet box or cover plate for flush-mounted wiring devices. The hood does not serve to complete the electrical enclosure; it reduces the risk of water coming in contact with electrical components housed within, such as attachment plugs, current taps, transien voltage surge suppressors, direct plug-in transformer units, or wiring devices.
Receptacle - one or more female contact devices on the same yoke installed at an outlet for the
connection of one or more attachment plugs.
Receptacle, duplex - two female contact devices on the same yoke installed at an outlet for the
connection of two attachment plugs.
Receptacle, flush - a receptacle provided with means for flush mounting on a standard flush device box or cover plate.
Receptacle, isolated ground - a receptacle having the grounding terminal electrically isolated
from the means to which it is mounted.
Receptacle, single - one female contact device with no other contact device on the same yoke
installed at an outlet for the connection of one attachment plug.
Watertight -a designation of a marine-use product that is constructed to prevent water from
entering the enclosure under any condition other than submersion.