ACR-205 Unit 30 - Electric Heating (CRF)

Generally speaking, electric heat is very efficient but can be more expensive to operate compared to oil and gas.

• True

• False

Some units may be designed to move enough air across the heating elements so that they do not glow.

• True

• False

One potential safety hazard that all technicians should be aware of when working on an electric furnace is that there are many exposed electrical connections behind the inspection panels.

• True

• False

Electric heating units provide almost instant heat. Therefore, anticipators are not needed in electric heat thermostats.

• True

• False

If the number two contact on a package sequencer fails to close, the number three contact can still close.

• True

• False

Where in a room are electric baseboard heaters normally placed?

• They are mounted on the wall just above the floor or carpet, usually on outside walls.

• They are mounted on the wall just above the window or carpet, usually on outside walls.

• They are mounted on the floor just above the floor or carpet, usually on outside walls.

• They are mounted on the wall just above the floor or carpet, usually on inside walls.

In order to prevent a duct-mounted electric heater from being energized when the fan is not on, a(n) ____________________ should be used.

A set of contacts actuated by a bimetal strip with a low-voltage wire wrapped around it is called a(n) ____________________.

In order to provide time delay between stages of electric heat, the controls that are used are called ____________________.

Radiant electric heating panels used for ceiling installation are often made of ____________________ with wire heating circuits running throughout.