Tamperproof external test contact arrangement for watthour meter

Details Tamperproof external test contact arrangement for watthour meter Tamperproof external test contact arrangement for watthour meter

1974-07-03

1976-03-09

Tolin, Gerald P.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 74, 324110, 339151B, 339 31B, H02B 900

Patent

active

039434133

ABSTRACT:
A watthour meter of the self-contained detachable type has a protected meter testing arrangement. An isolated external test contact and an internal terminal blade connector are independently connected to a common terminal end of the meter voltage winding. The connector is manually disconnectable for testing the meter through the external test contact in an "open-link" watthour meter testing method.

REFERENCES:
patent: 2249075 (1941-07-01), Young et al.
patent: 2701859 (1955-02-01), Coleman
patent: 3076167 (1963-01-01), Spencer et al.

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