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A light for use in a string of lights has a lamp and a light socket that may include a parallel group device that may perform a variety of functions. One of those functions is to serve as a resistive element to regulate voltage and current to keep other lights in a group of lights arranged to be ele

A light for use in a string of lights has a lamp and a light socket that may include a parallel group device that may perform a variety of functions. One of those functions is to serve as a resistive element to regulate voltage and current to keep other lights in a group of lights arranged to be electrically in parallel lighted to the same intensity in the event one of the lights burns out or is removed. Another function of the parallel group device is to control the lamp in the socket so that it lights and goes out on command. The socket is designed to be closed against moisture and to be easily manufactured by hand or by machine. It includes piercing terminals that, when pressed into the electrical wires that run from light to light in the string, allow electrical connection with the lamp leads and the parallel group device leads.

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1. A light for use with a string of lights, said lights of said string being in electrical connection with each other by a pair of wires, said light comprising:a lamp having a filament and a pair of leads in electrical connection to said filament; a lamp fitting dimensioned to receive said lamp and

1. A light for use with a string of lights, said lights of said string being in electrical connection with each other by a pair of wires, said light comprising:a lamp having a filament and a pair of leads in electrical connection to said filament; a lamp fitting dimensioned to receive said lamp and said pair of leads; a lamp base; a sleeve carried by said lamp base and dimensioned to receive said lamp fitting, said sleeve formed to receive a pair of wires; terminals carried within said lamp base and extending from said lamp base to said leads of said lamp, said terminals having means formed thereon for piercing said pair of wires when said pair of wires are received by said sleeve so that an electrical current carried by said wires can be applied to said filament of said lamp; and means carried by said lamp base for passing electrical current through said light when said lamp presents an open circuit to said terminals.