The following are the installation steps for the terminal wires on the contactor: **I. Preparation Work** 1. Confirm the contactor model and relevant parameters to ensure it meets the usage requirements. 2. Prepare the required tools, such as screwdrivers, wire strippers, wires, etc. 3. Turn off the power supply to ensure safety during the installation process. **II. Identifying Terminals** 1. A contactor usually has multiple terminals, generally including main contact terminals, auxiliary conta