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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Young gerbils are very fragile
Indicate whether the statement is true or false
The accompanying figure shows the elements of a roof. What is feature 3?
A. Roof covering B. Underlayment C. Collar ties D. Sheathing
Coil corrosion that results from two dissimilar metals coming in contact with an electrolyte is called:
A) General corrosion. B) Galvanic. C) Hygroscopic. D) Electrolytic.
Where would you find information about average daily solar radiation when sizing a solar array for your location?
A) The Electronic Components Industry Association B) The International Code Council C) Database of State Incentives for Renewables & Efficiency D) The National Renewable Energy Laboratory