For EC&M Magazine
By Mike Holt, NEC® Consultant
Here are the NEC questions, and tomorrow we'll send out the answers. You're welcome to print or email the quiz to your peers.
Note: The answers to these questions are based on the 2017 NEC.
Q1. What is the NEC definition of a metal wireway?
Q2. What uses are permitted by the Code for metal wireways?
Q3. What uses are not permitted by the Code for metal wireways?
Q4. What does the NEC require when conductors are connected in parallel are installed in metal wireways?
Q5. What is the maximum size of conductor that the Code allows to be installed in a wireway?
Q6. What is the NEC limit on the number of conductors and cables that are allowed to be installed in a wireway?
Q7. What ampacity adjustment factors apply to conductors installed in metal wireways according to the Code?
Q8. What is the Code bending radius requirement for conductors installed in a metal wireway?
Q9. What are the NEC support requirements for metal wireways?
Q10. What does the Code require when installing splices, taps, and power distribution blocks in a metal wireway?
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