(under the class definition) Electrical connector comprising a coupling part* which is the base of a watt-hour measuring device or adapted to engage and be electrically connected with the base of a watt-hour measuring device.
(1) Note. Watt-hour meters are somewhat standardized in overall configuration adapted to be mounted on the wall of a permanent structure, presenting a generally circular base, and having four, five or more vertically disposed blade type contacts extending from the base thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
146, for a contact preventer or retractable cover part adapted to fit between coupled connectors (e.g.., power measuring meter).
167, for an electrical connector convertible by internal change to selectively cooperate with a different contact, comprising a connector for a power measuring meter.
508, for a jumper adapted to be used with a power measuring meter.
