A.Introduction The power switch is used to control the switch tube through the circuit for high-speed pass and cut-off. The direct current is converted into high-frequency alternating current and supplied to the transformer for transformation, thereby generating the required one or more sets of volt... read more
1.Introduction A power extension cord (also called an extension cord) is a cable with multiple conductors used for temporary electrical connections that require flexibility. Power extension cords are widely used in various types of electrical tools, equipment, household appliances and machinery used... read more
Cable common sense-model meaning: R-flexible cable (wire) for connection, soft structure; V-insulated PVC, V-PVC insulated, V-PVC sheath B-flat (flat). S-twisted pair A-tin or silver plated; F-high temperature resistance P-braided shield; P2-copper tape shield; P22-steel tape armor Y—prefabricated t... read more
The outermost layer of wire and cable is generally rubber or rubber composite sheath. The function of this layer is firstly to insulate, but also to protect the cable from damage. The cable is divided into high voltage or low voltage cable. If it is high voltage, there will be a layer of resin-like ... read more
Facing the socket, please follow the correct connection method of left zero (N) right fire (L) and ground (E). Front-L (red, yellow, blue), neutral-N (blue or black), ground-E (yellow-green). On the top of the low-voltage power grid, a three-phase four-wire system is used to transmit power, includin... read more
It is not advisable to install ordinary sockets in humid places such as kitchens and bathrooms to prevent corrosion or leakage. 6. The sockets of high-power electrical appliances are directly wired from the household distribution box For high-power electrical appliances (air conditioners, microwave ... read more
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