Safety power receptacle

Safety power receptacle with hot wire switch-through

Semiconductor memory device adaptable to external power supplies

Shaft turning parking bus for multiple unit installations utiliz

Signal conditioner front-end

Simultaneous power supply source

Smooth voltage regulation transition circuit having fast...

Standby power supply line voltage fault detector

Static transfer switch device and method

Stepwise control for two-step control with switching stages

Synchronizing check relay

Synchronizing circuit for a plurality of power units

Synchronizing circuit for use in paralleled high frequency power

Synchronizing device

System and method employing a digital computer with improved pro

System and method for operating a wind farm under high wind...

System and method for pre-detection in a power over ethernet...

System and method of providing power

System for providing power over Ethernet through a patch panel

System having a variable frequency power distribution bus...