How to Test a Four Terminal Relay: 7 Steps (with Pictures). How to Test a Four Terminal Relay. A 4 terminal relay is used so a low power circuit may engage a high power circuit without risk of damage to the low power control circuit. For example, a low power circuit in a car that commands the high... www.wikihow.com
How to Test a Four Terminal Relay: 7 Steps (with Pictures). How to Test a Four Terminal Relay. A 4 terminal relay is used so a low power circuit may engage a high power circuit without risk of damage to the low power control circuit. For example, a low power circuit in a car that commands the high... www.wikihow.com
How To Test A 4 Pin Relay. www.anenglathi.com
