Assertion: phone | /r/AtLocation | hook
Facets:
Source sentences:
text: Once the phone is on hook the loop current will flow through D1 LED1 R1 and SCR1.
text: The telephone draws no current when it is on hook, while a DC voltage is continually applied to the line.
text: The landline telephone contains a switchhook (A4) and an alerting device, usually a ringer (A7), that remains connected to the phone line whenever the phone is "on hook" (i.e. the switch (A4) is open), and other components which are connected when the phone is "off hook".