Rectangular connectors are widely used in industry. There are also many connectors on the market, so how do you tell the difference between manufacturers?
1, pay attention to the manufacturers brand, manufacturers with high visibility will generally be medium-sized enterprises, these manufacturers will generally implement the national regulations, product quality will have certain guarantees. 2, pay attention to the certificate provided by the manufacturer, the product safety certificate should include the manufacturer's name, address and telephone. There are also three levels of rated current in China. If there is a certificate of the above standard, the quality of the product can be assured. 3, product specifications, with the manufacturer's certificate, the main product specifications, select the matching voltage and current, here the rated current from large to small are plugs, power lines, mobile sockets, electrical appliances, do not engage Mixed. 4, pay attention to the plug, the standard of the plug in our country is flat, two-stage or two-stage grounding plug, if the plug is round, it should not be purchased.