Grounding requirements for AC systems are contained in _____.
a. NEC Sections 250.20 and 250.21
b. NEC Table 400.4
c. NEC Table 310.15(B)(16)
d. NEC Article 280
a. NEC Sections 250.20 and 250.21
You might also like to view...
A flange hanger is commonly used with a _____.
a. suspended fixture b. recessed fixture c. wall-mounted fixture d. bollard-type fixture
X-double bar is best described as:
a. An unbiased smaller sample of a larger population used to represent the entire population. b. the average of a series of numbers. c. the average of the subgroup averages. d. the average of the subgroup averages.
Pregnant mares and growing foals do not require concentrate in the ration in addition to roughage
Indicate whether the statement is true or false.
What is heat reclaim?
a. Recycling condenser air for heating the store. b. Using discharge vapor to heat the store or its domestic water. c. Using sub-coolers to remove heat from the liquid refrigerant.