Code Lesson

Article 392

In Article 392, you'll explore the requirements for cable tray systems, including types like ladder, ventilated trough, and solid bottom trays, as well as guidelines for installation, bonding, and allowable conductor types. Complete the video and the worksheet below​.

Video

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Slides

Advance through the slides from the presentation at your own pace:

Worksheet:

Use the NEC to answer the code questions in the following worksheet.

Complete

Once you've completed the video and worksheet, select "Complete and Continue" below to advance to your next lesson!