Question 2027 of 731 · Texas Journeyman Electrician Exam
An overhead outside branch circuit spans 60 ft between supports. What is the minimum copper conductor size?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 2027
- C: 8 AWG
Explanation
For overhead spans of 1000 volts or less, copper must be at least 10 AWG for spans up to 50 ft and 8 AWG for longer spans, unless supported by a messenger. See 225.6(A).
More questions: Services and Service Equipment
- 2028What is the minimum vertical clearance for overhead service conductors above a residential driveway when the voltage does not exceed 300 volts to ground?
- 2029Where must the service overcurrent device be located relative to the service disconnect?
- 2030What is the maximum ground-fault trip setting permitted for service GFPE?
- 2033What may be attached to a service mast that supports a service drop?
- 2034Service drop conductors at 120/240 volts pass over only the overhang of a roof to terminate at a through-the-roof service mast. What is the minimum clearance above the overhang?
- 2036What must be done with a service GFPE system when it is first installed?