Assertion: pin relay | /r/CapableOf | use 2 pins
Facets:
value: to control 2 pins
type: PURPOSE
value: to control the coil
type: PURPOSE
Source sentences:
text: 4 pin relays use 2 pins (85 & 86) to control the coil and 2 pins (30 & 87) which switch power on a single circuit.