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On a forced-air furnace, what loads are commonly energized with a 120 volt power supply
The induced draft motor, indoor blower motor, and transformer's primary winding
What is the proper method for connecting any electrical wires located in a junction box
Twisting together and connecting with a wirenut
On split-system condensing unit, what loads are commonly energized with 240 volt power supply
Compressor, crankcase heater, and condenser fan
On HVAC package unit, what loads are commonly energized with 240 volt power supply
Condenser fan, induced draft motor, compressor, and indoor air blower
What is the purpose of a schematic diagram
It shows technician the operational sequence of the system
What do the horizontal lines represent in an electrical schematic diagram
The individual circuits in the electrical system
What component is located between the high-voltage circuit and the low-voltage circuit
What diagram displays the system's fuse size and wire size, and shows placement of thermostat and power wiring
The installation diagram
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