The lightning protector can easily be tested by plugging in a radio or lamp and checking to see if it provides power to the device. If it does not provide power, please check the protector with a different power outlet.Close
When tested with a multimeter (a hand held device that reads and messures electrical current that can be purchsed from most local home hardware stores), resistance between the left LOOP terminal and the left TRANSMITTER terminal should read less than 10 ohms. The resistance between the right LOOP terminal and the right TRANSMITTER terminal should be less than 5 ohms. A resistance greater than those specified indicates that a failure may have occurred.Close
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