Which HVAC wiring connections are low voltage?
A) from the condensing unit to the air handler
B) from the circuit panel to the condensing unit
C) from the circuit panel to the air handler
D) from the outside disconnect to the condensing unit

Question

Quizplus · Accepted Answer

Connections from the condensing unit to the air handler are low voltage, typically 24 volts. The other options listed involve connections from the electrical panel or a disconnect, which are typically high voltage.

Which HVAC Wiring Connections Are Low Voltage