Grounded surface distribution apparatus

Details Grounded surface distribution apparatus Grounded surface distribution apparatus

1970-01-20

1977-06-14

McGlynn, Joseph H.

Geometrical instruments

339 91R, 339 94R, 339111, 339143R, 174 72R, 174 73R, H01r 1352

Patent

active

040293807

ABSTRACT:
A grounded surface distribution apparatus and system is provided including elastomer encapsulated cable terminals, joints, taps, load-break switches, current limiting fuses and surge protectors, each enclosed completely within a metal sheath combined in various arrangements to perform operational functions required in loop and radial underground distribution systems. The cable terminals include a soft dielectric filler making a void-free interfacial engagement with the surface of a hard dielectric filler of a mating component. To provide for breaking a coupling under load, an arc-quenching follower is retractable into an axial cavity in the coupling components of the system and projectable therethrough upon breaking of the circuit and disconnecting of the components to provide an improved arc-quenching function. Thus, there is provided an underground system having security, operational safety and convenience.

REFERENCES:
patent: 1223750 (1917-04-01), Wakefield
patent: 2379942 (1945-07-01), Wibber
patent: 2700140 (1955-01-01), Phillips
patent: 3307137 (1967-02-01), Tordoff et al.
patent: 3391380 (1968-07-01), Robinson et al.
patent: 3401370 (1968-09-01), Weinfurt et al.

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