d-sub high density connectors wholesale is an interface used to connect power cables and power devices, the way it is applied depends on the type of device and connector being connected. The following are several common d-sub high density connectors wholesale and how they are applied:

1. DC d-sub high density connectors wholesale (such as DC plugs) : commonly used in low-voltage power supply equipment, such as digital products, security cameras, small household appliances, etc. When used, the positive and negative terminals of the plug must correctly correspond to the positive and negative terminals of the device.

2. AC d-sub high density connectors wholesale (such as AC plug) : commonly used in AC power equipment, such as TV, computer, audio and so on. The plug usually uses a three-pin socket, one of which is a ground pin, and the other two are connected to the positive and negative poles of the AC power supply.

3. USB (Universal Serial Bus) connector: mainly used for data transmission and charging. USB connectors can be used to connect various devices such as computers, mobile phones, tablets, printers, etc. Through the USB connector, data can be transferred between devices, while it can also be charged via a power adapter.

4. Long d-sub high density connectors wholesale (such as C13 plug) : mainly used for high-power equipment, such as desktop computers, servers, projectors, etc. This type of connector is usually a three-pin plug, where two of the pins are connected to the positive and negative ends of the AC power supply and the other is a ground pin.

It should be noted that different devices and regions may use different types of d-sub high density connectors wholesale, so you need to pay attention to matching devices and specifications when choosing connectors. In addition, for the sake of safety, when inserting and removing the connector, ensure that the device is turned off and operate with care to avoid electric shock or damage to the device.

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