Light load adjust apparatus for electric meter
Lighting performance power monitoring system and method with...
Lighting tester
Lightning detection and data acquisition system
Limited rotation motor
Line card loss of battery detector
Line disturbance monitor and recorder system
Line isolation monitor and alarm
Line mounted apparatus for measuring line potential
Line protection
Line tone adapter for a cable test system
Line voltage monitor system
Linear alternating current interface for electronic meters
Linear position sensor
Linear signal isolator and calibration circuit for...
Linearized three state phase detector
Linearizing circuit for a non-destructive testing instrument...
Liquid conductivity measuring apparatus
Liquid conductivity measuring circuit
Liquid contacts for use in semiconductor doping profile...