Fluorescent lamp ballast
Fluorescent lamp ballast
Fluorescent lamp ballast enclosure
Fluorescent lamp ballast enclosure
Fluorescent lamp holder
Fluorescent lamp socket
Fluorescent lamp socket
Foil takeoff switch or similar article
Foldable power adapter and stand
Folded back arm actuator
Folded frame for an electric solenoid
Folded solar module
Foot operated control unit
Foot operated control unit
Foot operated control unit
Foot operated lighting control
Four port charger
Four position two-piece battery block connector assembly
Frame for battery electrodes
Frame for battery electrodes with insulating intermediate suppor