
HVAC and Thermostat Wiring Quiz
Authored by SHAWN BRANTLEY
Specialty
9th Grade
Used 5+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'C' wire in thermostat wiring typically represent?
Circuit wire
Control wire
Cooling wire
Common wire
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which color is commonly used for the 'R' wire in thermostat wiring?
Black
Red
Green
Blue
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the 'G' wire in thermostat systems?
Fan
Ground
Guide
Gas control
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which wire is typically used for heating in a thermostat setup?
Yellow
White
Blue
Orange
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'Y' wire connect to in a thermostat system?
Fan
Heater
Compressor relay
Gas valve
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a 5-wire thermostat setup, which additional wire is included compared to a 4-wire setup?
Common wire
Data wire
Extra fan wire
Second power wire
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the 'O/B' wire in a thermostat?
To optimize the boiler
To operate the reversing valve
To open the baseboard heater
To operate the battery
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