BOARD-TECH

Power switch; electric plug; electric socket; electric connector; electric light dimmer; electric door bell; plug connector; timer; electrical wiring box; electrical connector; circuit breaker; electric fuse block; electric switch board; temperature regulator for computer laptops; voltage regulator; heating effect controller for computer laptops; telephone line junction box; electric light on/off controller; electric buzzer; burglar alarm; electric power cord; telephone wire; computer electronic connectors; electric plug wire; power supply; power voltage stabilizer; frequency converter; rectifier; DC power supply; transformer; voltage stabilizer; plug connector for TV antenna; plug connector for telephone set; electric power extension cord; AC/DC voltage converter; PFM to DC converter; resistance/DC power converter; three-phase frequency converter; three-phase voltage converter; AC/DC voltage digital logic level converter