Application circuit works the device as shown below. For cooling electrical equipment, usually with a cooling fan to drive heat. LCE made use synchronous control socket on the
device and its line without any changes, as long as the power plug of electrical equipment into a power outlet CZ1, the fans plug into a power outlet CZ2 can be. When electrical equipment is powered fan will automatically start running when the power is off electrical equipment, electric fans also immediately stop working.