5. Prevent "small horse-drawn carts" The socket has a primary indicator, additional current. It is required that the extra current of the electrical appliance plugged into the socket should not be greater than the extra current of the socket, that is, the pony cannot be used to pull the cart, otherw...
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1. Injection-molded power plug: The injection-molded plug means that the plug and the cord are pressed together through high temperature and high pressure. Once formed, they cannot be assembled or disassembled. Such a power plug has obvious characteristics, stability, and safety. More than 80% of th...
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1. Product brand. The design and production of power cords have strict skills requirements. It is necessary to comply with relevant policies and regulations before they can be officially put into market use. The brand is an important criterion for determining product quality. Only when the product q...
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1. The socket location should be correct 2. Do not connect the socket at will Single-phase two-hole socket for equipment, the right or upper hole facing the socket is connected to the phase line, and the left or lower hole is connected to the neutral line; single-phase three-hole socket, the right h...
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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 ...
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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, includi...
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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 cables. If it is a high voltage, there will be a layer of resin-li...
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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...
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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 us...
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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...
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1. Introduction to switching power supply: Our common power supplies, including power adapters and chargers, are all classified as switching power supplies. A switching power supply is a kind of power supply that uses the time ratio of switching on and off of the control switch tube to maintain a st...
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1. British plug This plug can be equipped with two-core wires and three-core wires. British plug current can have 3A, 5A, 7A, 10A, 13A, etc., and the voltage is 250V. 2. Argentina plug The plugin Singapore uses the British system plug. The plugs are all three-core, and the current of the Singapore p...
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