Use the information on the data plate in Figure 89-24 to determine the minimum current rating for the unit disconnect

What will be an ideal response?


The disconnect should be sized at 115% of the minimum circuit ampacity 1.15 x 31.5 = 36.225 since disconnect sizes jump from 30 amps to 60 amps, a 60 amp disconnect will be needed.

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The area swept by a 7 ft. long turbine blade during one revoluti?on is 21.9912 sq. ft.

Answer the following statement true (T) or false (F)

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A(n) ____________________ PV system needs to be sized so that it can supply the total electrical load of the building it serves.

Fill in the blank(s) with the appropriate word(s).

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Partial walls are used as room dividers where an open environment is desired:

A. partial-height solid partition between rooms B. guard rails and balconies C. next to a flight of stairs D. all of the above E. none of the above

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What term describes how easily a magnetic field passes through a barrier?

A) Refractivity B) Permeability C) Reflectivity D) Insulation

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