RV FUNDAMENTALS UPDATED SCRIPT
2026 PRACTICE SOLUTIONS GRADED A+
● What are the different electrical systems? Answer: Chassis voltage-
12VDC
Coach Voltage-12VDC
House Voltage-120VAC
● What does chassis voltage control? Answer: Tail lights
Marker lights
Brake lights
Electrical wheel brakes
● What does coach voltage control? Answer: Interior lights
Water systems
Appliance control systems
Slide out and leveling systems
● What does house voltage control? Answer: Interior lights
Wall receptacles
Air conditioner
Microwave
, Water heater
Power Converter
● What does D.C. stand for? Answer: Direct Current
● What does A.C. stand for? Answer: Alternating Current
● What is voltage? Answer: Pressure or pushing and pulling of electrons
● What is amperage? Answer: Flow of electrons
● What is watts? Answer: Power (amount of work that can be done)
● What is Watts law? Answer:
● What is ohms? Answer: Resistance
● If voltage decreases, what happens to amperage? Answer: Amperage
will increase
● What is Ohm's Law? Answer:
2026 PRACTICE SOLUTIONS GRADED A+
● What are the different electrical systems? Answer: Chassis voltage-
12VDC
Coach Voltage-12VDC
House Voltage-120VAC
● What does chassis voltage control? Answer: Tail lights
Marker lights
Brake lights
Electrical wheel brakes
● What does coach voltage control? Answer: Interior lights
Water systems
Appliance control systems
Slide out and leveling systems
● What does house voltage control? Answer: Interior lights
Wall receptacles
Air conditioner
Microwave
, Water heater
Power Converter
● What does D.C. stand for? Answer: Direct Current
● What does A.C. stand for? Answer: Alternating Current
● What is voltage? Answer: Pressure or pushing and pulling of electrons
● What is amperage? Answer: Flow of electrons
● What is watts? Answer: Power (amount of work that can be done)
● What is Watts law? Answer:
● What is ohms? Answer: Resistance
● If voltage decreases, what happens to amperage? Answer: Amperage
will increase
● What is Ohm's Law? Answer: