Relays

A relay is the component which uses a low amps in a circuit to switch on a greater amp circuit.

We measured resistance of the relay from
86 to 85 was 69.8 ohm
30 to 87a was 0.2 ohm
30 to 87 was infinity (∞)


When the relay is off 30 to 87a is Normally Closed and 30 to 87 is Normally Open