Because They Have Internal Overload Protection, Listed Class 2 Transformers

Q4: Class 2 wiring _ permitted in the

Q5: Hot water systems are very adaptable to

Q6: Most residential heating systems are packaged units

Q7: In the diagram below, label the type

Q8: Disconnect switches for furnaces installed in basements

Q10: Manufacturers of heating and cooling equipment provide

Q11: Residential thermostats should be located where they

Q12: Thermostats are usually mounted approximately _ in.

Q13: A remote-control circuit is any electrical circuit

Q14: Explain the purpose of interrupted duty ignition