According to the NEC®, how many quarter bends are allowed in any one conduit run between outlet boxes?
a. 2
b. 3
c. 4
d. 5
c. 4
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A work order indicates that the voltmeter gauge only indicates approximately 12V with the engine running. Which of these would be the first step of the troubleshooting process?
A. Replace the voltmeter gauge. B. Test the charging system. C. Verify the complaint. D. Tighten the alternator drive belt.
?If oneadds the values in a group to create a sum and then divides the sum by the number of values in the group, the ____ would be derived.
A. ?standard deviation B. ?mode C. ?median D. ?mean
OSHA requires fall protection for personnel working at elevations of _____.
a. 6 feet or more b. 9 feet of more c. 12 feet or more d. 15 feet or more
If the cross-sectional area of a wire is 16,510 circular mils, what is the diameter (d) of the wire? Carry the answer to two decimal places.Cross-sectional area = 
where d = diameter in mils
Fill in the blank(s) with the appropriate word(s).