Power line standard

Power cord is one of the indispensable accessories in electronic products. It is a cable that connects the output end of power supply and the input end of electronic equipment. With the popularization of electronic products and the continuous expansion of application scope, there are more and more types of power cords. In order to ensure the safety and reliability of power cord, a series of power cord standards have been formulated internationally, including specifications, classification and application. Let's take a look at them one by one.

Power cord specification

The specifications of the power cord mainly refer to the diameter, length, color, etc. Commonly used power cords have diameters of 0.5mm2, 0.75mm2, 1.0mm2, 1.5mm2, 2.5mm2, and lengths of 1m, 1.5m, 2m, 3m, 5m, etc. In terms of color, black, white, gray, red, yellow and blue are common. When purchasing the power cord, you need to choose the corresponding specifications according to your own needs to ensure the stability and safety of the power cord.

Power line classification

Power cord can be divided into AC power cord and DC power cord according to different purposes. AC power cord is generally used in household appliances, televisions, computers and other equipment, characterized by high voltage and low frequency, and needs to have safety performance such as leakage prevention and fire prevention. DC power cord is mainly used for LED lights, surveillance cameras, power tools and other equipment, characterized by low voltage and high frequency, which requires anti-electromagnetic interference and anti-static performance.

Power cord application

Power cords are widely used, covering almost all electronic equipment. At home, the power cord is mainly used for power supply of TV sets, computers, stereos, lamps and other equipment. In the industrial field, power cords are used to supply power to mechanical equipment, power tools, electronic components and other equipment. In the medical field, power cords are used to supply power to medical equipment, operating tables and other equipment. In the field of transportation, the power cord is used for the power supply of transportation facilities such as subway and high-speed rail.

Matters needing attention in purchasing power cord

1. Specification selection: Select the appropriate power cord specification according to the power and voltage requirements of the equipment to ensure the stability and safety of the power cord.

2. Quality inspection: When purchasing the power cord, carefully check whether the appearance of the power cord is complete, whether there are cracks, cracks and other defects, and also check whether the conductivity of the power cord is good.

3. Brand selection: When purchasing the power cord, you can choose some well-known brand products to ensure the quality and stability of the power cord.

4. Safety performance: When purchasing the power cord, you need to pay attention to the safety performance of the power cord, such as whether it has the functions of leakage prevention and fire prevention.