Pilfer proofing system and method for electric utility meter box
Portable electrical energy monitor
Position sensitive anti-tamper watthour meter
Power supply magnetic shunt for transmission line sensor module
Power theft detection circuit
Protected voltage meter
Sealed utility meter having internal automatic disconnection
System and method for detecting the presence of an unsafe...
Systems, methods, and apparatuses for detecting residential...
Tamper indicating and theft preventing electrical meter
Tamper prevention apparatus for watt-hour meter
Tamper-resistant electrical meter housing
Theft resisting device
Utility meter having a security sealing arrangement
Vent for electricity metering device
Voltage measurement instrument having transient overvoltage inpu