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Keeping up with the requirements of the Code should be the goal of
everyone involved in electrical safety. The following is what I feel is an
important rule in the 2020 NEC®, complete with
graphics and a video. I encourage you to use it as a training resource for
your organization, and share it with your colleagues.
| Raceways Exposed to Different Temperatures [300.7] |
The content below is extracted from Mike Holt's Understanding the National Electrical Code Volume 1, based on the 2020 NEC textbook.
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Click here or on the thumbnail to the left to view or download the PDF of this rule. (2 pages, 362 KB)
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Click on the image above to watch the video
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Do you know where raceways are required to be sealed in accordance with the National Electrical Code?
Condensation could accumulate in raceways that are subjected to temperature differences as a result of air circulating through the raceway from a warmer to a colder section. The circulation of air within the raceway can be prevented by sealing the raceway with a suitable compound before it enters the colder section.
Learn how the transference of moisture inside raceways can be prevented by reading the attached text and watching the video where Mike and the team discuss NEC 300.7
For the video click here or on Mike's image to the right. To download and follow the PDF click here.
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For more information on this topic, get a copy of Mike Holt's Understanding the National Electrical Code Volume 1, based on the
2020 NEC video program and textbook..
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We'd
love to hear from you about this series, and the ways you're using it.
Send us your comments and feedback by clicking on "Post a Comment"
below. Look out for the next part in this series a month from now, and
please share with your colleagues. |
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