Abstract: An economical string light includes a molded socket or base having an integral hook for attaching to a messenger wire for support and first and second insulation-displacement connectors for coupling to the electrical power wires. The lamp guard is formed of two identical protector elements which have a coupling collar for connecting to each other and to a retainer flange on the socket. The protector elements are hinged from the coupling collar to open in a clamshell fashion to facilitate lamp replacement, and the protection elements couple together with snap couplers to form the complete lamp guard.

Abstract: An electrical fitting has a rigid tubular body in the form of an elbow with one connector insert rotatably received at one end of the body and a second connector insert fixed within the body in the other end. Insulated flexible wires within the body connect corresponding elements of the connector inserts. The fitting is particularly useful in establishing a quick disconnect for machines or instruments from a flexible feed cord while avoiding a "gooseneck" in the feed cord.

Abstract: A power distribution center for use at marinas, trailor camps and the like includes a housing adapted to receive power feed cable from an external power source, the cables being connected to terminal blocks mounted within the housing and to which are connected terminals of electrical receptacles mounted within the housing. The housing includes a cover which when opened provides access to the receptacles. A light source including a diffusing lens mounted within the upper portion of the housing is effective to illuminate the front portion of the housing both when the cover is closed and when it is opened. The housing and cover are of a corrosion resistant synthetic material, and internal metallic brackets and plates which mount the terminals, receptacles and light source are electrically connected to the ground terminal which provides a unitized ground on a single ground lug.

Abstract: A power distribution center, particularly adapted for use at marinas, trailer camps and the like, comprises a vertically extending housing adapted to receive power feeder cables from an external power source, which cables are connected to appropriate terminal blocks mounted within the housing. The housing has mounted on the outer surfaces thereof one or more electrical receptacles, the terminals of which are connected to the appropriate terminal blocks within the housing by electrical conductors, and which are adapted to receive plugs of electrical cable, thereby to carry electrical current to power operated equipment. There are also mounted in association with each receptacle an appropriate type of circuit breaker.

Abstract: An advance grounding system for electrical connectors includes a male attachment portion and a female receptacle portion. The male attachment portion contains a pair of current carrying electrical contact blades and a ground contact blade extending outwardly, with the ground blade having a length greater than the current carrying contacts. The female receptacle includes a pair of electrical terminals positioned in recesses and adapted to receive the current carrying contacts, and a ground terminal which extends to a point adjacent the inner face of the female receptacle. The ground terminal is arranged so that it is not possible for the current carrying blades to contact the female terminals before the ground blade contacts the female ground terminal when the male attachment portion is inserted into the female receptacle portion to complete the electrical connection.