Pedal mounted switching assembly
Pendulum type acceleration sensor module
Perforating machine for record cards
Peripheral device power activation circuit and method therefor
Permanent magnet blowout for a contactor
Permanent magnet magnetic control device having two control...
Permanent magnet rotating arc switch
Permanent-magnet ground fault circuit interrupter plug and...
Permutation switch
Permutation switch
Perpendicularly opening grounding switch
Phase barrier for use in a multiphase circuit breaker
Phase control switching device
Phase control switching device
Phase reversal switch mechanism
Phase time variator
Phase-control switchgear and method of controlling switchgear
Photoelectric switch sealed against infiltration of...
Piano-style keypad employing a light guide
Piezoelectric ceramic switching devices and systems and...