Difference between revisions of "Test a Four Terminal Relay"
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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 power headlights to come on would send the command through a 4 terminal relay. Use these tips to learn how to test a 4 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 power headlights to come on would send the command through a 4 terminal relay. Use these tips to learn how to test a 4 terminal relay. | ||
| − | [[Category:Measuring Power Current and Energy]] | + | [[Category: Measuring Power Current and Energy]] |
== Steps == | == Steps == | ||
