Lightning protected electric fence controller system and method

Details Lightning protected electric fence controller system and method Lightning protected electric fence controller system and method

1989-09-11

1990-07-03

DeBoer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361129, 361130, 361 56, 307132R, 337 29, H02H 906

Patent

active

049396188

ABSTRACT:
An electric fence controller (20) interconnected to electric fence terminals (136, 138) by a three terminal spark gap arrangement (140) one terminal (142) being interconnected to the fence hot terminal (136), a second terminal (144) being interconnected to the fence ground terminal (138) and a third terminal (146) being interconnected to utility ground (48). High voltage surges on the electric fence will thus be diverted either to the local fence ground terminal (138) or to the utility ground (48) whichever ground has the least resistance to ground thereby assuring an effective ground so as to prevent damage due to lightning strikes.

REFERENCES:
patent: 3441803 (1969-04-01), Christener
patent: 3581299 (1971-05-01), Schmit
patent: 3655995 (1972-04-01), Malme
patent: 3679939 (1972-07-01), Nitta et al.
patent: 3743884 (1973-07-01), Wafer et al.
patent: 3865452 (1975-02-01), Pittman
patent: 3868545 (1975-02-01), Caron
patent: 3873847 (1975-03-01), Finch et al.
patent: 3988594 (1976-10-01), Low et al.
patent: 4277719 (1981-07-01), Riggins
patent: 4477857 (1984-10-01), Crocker
patent: 4486805 (1984-12-01), Cline

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