2020 NEC® Changes: Focus on Wiring Methods

Item #: 1951ONL550
Price: $50.00
Member Price: $50.00
Member Savings: $0.00
Format: Online Self-Paced
Duration: 1.00
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This interactive online course covers the changes in the Chapter 3 wiring method articles of the NEC, namely Articles 320 through 392 (AC cable through cable trays). Notable changes include new rules for cables in thermal insulation, a new article (337) for Type P cable, clarifying the different types of service entrance cables, clarifying the rules for stainless steel raceways and fittings, and addressing cable trays that utilize flanged openings.

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More Information
  • Identify the proper securing and supporting requirements for cables
  • Determine when table 310.15 C1 has to be used for ampacity adjustments 
  • Name the conductors allowed for direct burial 
  • Given a conduit and environment, select the appropriate fittings
  • List the permitted uses of liquid tight flexible metal conduit 
  • Discuss the changes for cable trays. 
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