Chapters and Articles | Latest Version |
2024/2025 | Graded A+
What is the maximum allowable temperature rating for conductors connected to devices with a
75°C terminal rating?
✔✔75°C
What is the required depth of burial for nonmetallic-sheathed cable in a trench?
✔✔24 inches
What is the minimum ampacity of a feeder conductor for a 200-amp residential service?
✔✔200 amps
What is the minimum clearance for overhead service conductors above a swimming pool?
✔✔22.5 feet
What is the required rating for a disconnecting means in a commercial air conditioning unit
circuit?
1
, ✔✔Not less than the nameplate rating of the unit
What is the minimum separation between fire alarm circuits and power circuits?
✔✔4 inches
What is the maximum allowable voltage drop for branch circuits as recommended by the NEC
2014?
✔✔3%
What is the minimum burial depth for rigid metal conduit under a public roadway according to
NEC 2014?
✔✔18 inches
What is the minimum clearance required above a roof for service conductors?
✔✔8 feet
What is the minimum ampacity required for service entrance conductors for a dwelling unit?
✔✔100 amps
2