In-situ determination of mea resistance and electrode...

In-situ fault detection apparatus and method for an encased...

Independent frequency measurement and tracking

Indicating apparatus

Indicating device for load current and source voltage

Indicating instruments

Indicator circuit for monitoring pulses initiated in a...

Indicator for block heater

Indicator lamp circuit having feedback protection

Indicator light circuit providing normal and emergency...

Indicator pointer

Induction furnace monitor

Induction meter having an improved electromagnetic voltage...

Induction meter having power-factor-adjuster

Induction volts-squared hour meter

Induction watt hour meter non-intrusive and concealed pulse...

Induction watt hour meter rotary disc mounting and bearing...

Induction watthour meter for power systems transmitting...

Induction watthour meter potential coil mounting

Inductive current sensor for an electricity meter