Grounded surge protection unit for telephone subscriber circuits

Details Grounded surge protection unit for telephone subscriber circuits Grounded surge protection unit for telephone subscriber circuits

1987-02-20

1988-07-19

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361111, 439620, H02H 322

Patent

active

047589213

ABSTRACT:
An improved surge protection unit suitable for use with Western Electric Type 66 blocks, having provision for grounding of the individual subscriber circuit at the block location is disclosed.

REFERENCES:
patent: 4009421 (1977-02-01), Splitt et al.
patent: 4328524 (1982-05-01), Nozick
patent: 4449156 (1984-05-01), Singer, Jr.
patent: 4613732 (1986-09-01), Cwirzen et al.
patent: 4616288 (1986-10-01), Scholtholt et al.
patent: 4647121 (1987-03-01), Dolansky et al.
patent: 4654743 (1987-03-01), Ruehl et al.

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