What is the number of conductors and the wire size specified for the feeder circuit supplying rooftop unit No. 1 in the power-riser diagram in Figure 3?





a. Three No. 10 AWG

b. Four No. 2 AWG

c. Three No. 6 AWG

d. Four No. 4/0 AWG


c. Three No. 6 AWG

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A) General corrosion. B) Galvanic. C) Hygroscopic. D) Electrolytic.

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Where would you find information about average daily solar radiation when sizing a solar array for your location?

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