Before using the household AC contactor, wipe off the anti-rust grease or rust on the iron core with gasoline. Avoid sticking during use. Caused power failure and cannot be released.

　　 When installing a household AC contactor, it is generally installed vertically, and the inclination angle should not be too large and should not exceed 5°, otherwise it will affect the contactor's performance.

　　 When installing household AC contactors, especially when connecting wires, pay attention to clean up the fine wires to avoid falling into the contactor, causing the contactor to jam and causing the coil to burn out.

　　 When connecting the wires of the household AC contactor, be sure not to expose the metal parts of the wires to the air to avoid oxidation. Tighten each screw to avoid poor wire contact due to vibration.

　　 When installing the household AC contactor, the two sides with holes should be placed on the upper and lower sides to facilitate heat dissipation.