You are constructing a circuit where a group of lights must be controlled from more than two switching points. What kinds of switches will you use?
What will be an ideal response?
The four-way switch is used when a group of lights must be controlled from more than two switching points. The switch connected to the source and the switch connected to the load must be three-way switches. At all other control points, four-way switches are used.
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Which of the following types of systems is a pipefitter not likely to work on?
a. Septic systems b. Compressed-air systems c. Nuclear power systems d. Chemical processing systems
Automatic changeover thermostats have a minimum interlock setting, also known as the _____.
a. deadband b. compensator c. differential d. evaporator
An electrode is a solid conductor through which an electric current can pass.
Answer the following statement true (T) or false (F)
What are the advantages of using artificial insemination?
What will be an ideal response?