News

  • The difference and relationship between the charger and the power adapter

    The difference and relationship between the charger and the power adapter

    It is internally composed of a power transformer and a rectifier circuit. It can be divided into an AC output type and a DC output type according to its output type; it can be divided into a wall type and a desktop type according to the connection mode. There is a nameplate on the power adapter, whi... read more

    Jul 19, 2019 Industry News
  • Power adapter tuning fork and straight plug AC plug common specifications

    Power adapter tuning fork and straight plug AC plug common specifications

    The AC plug is connected by two fork-type contact springs positioned at the center of the base (tuning fork type AC head) or a smooth hollow metal cylinder positioned at the center of the base (in-line AC head). Connected. Turn left | turn right Also exposed on the outside of the insulating base cyl... read more

    Jul 27, 2019 Industry News
  • Question about cable model

    Question about cable model

    1.SYV: solid polyethylene insulated RF coaxial cable 2. SYWV (Y): physical foaming polyethylene insulated cable TV cable, video (RF) coaxial cable (SYV, SYWV, SYFV) for closed-circuit monitoring and cable TV engineering SYWV (Y), SYKV cable TV, broadband network dedicated cable structure: (coaxial c... read more

    Aug 10, 2019 Industry News
  • The cable model consists of eight parts

    The cable model consists of eight parts

    First, the use code - not marked as a power cable, K is the control cable, P is the signal cable; Second, the insulation code - Z oil-impregnated paper, X rubber, V polyvinyl chloride, YJ cross-linked polyethylene Third, the conductor material code - not marked as copper, L is aluminum; Fourth, inne... read more

    Aug 16, 2019 Industry News
  • The meaning of the four wire and cable specifications

    The meaning of the four wire and cable specifications

    RV copper core vinyl chloride insulated connecting cable (wire) AVR tinned copper core PE insulated flat connection flexible cable (wire) RVB copper core PVC flat connection wire RVS copper core PVC stranded connecting wire RVV copper core PVC insulated PVC sheathed round connection flexible cable A... read more

    Aug 24, 2019 Industry News
  • Common types of power cords (1)

    Common types of power cords (1)

    1. Universal rubber plastic power cord Scope of application: connection and internal installation line of power, lighting, electrical equipment, instrumentation and telecommunication equipment with AC rated voltage of 450/750V and below 2. Rubber plastic soft power cord Scope of application: It is m... read more

    Aug 30, 2019 Industry News