[Journeyman] 16. Raceways, Cables and Choosing a Wiring Method

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The distinction between dry, damp, and wet locations under the 2023 NEC - Why Section 300.5(B) classifies the interior of all underground raceways as wet locations - How to separate raceway physical protection from conductor insulation moisture ratings - Why Type NM-B cable is prohibited inside underground conduit and which wet-rated alternatives to select - Key listing requirements and physical damage considerations when choosing wiring methods This independent study resource helps learners prepare for journeyman electrician examinations based on the 2023 National Electrical Code. Practice online at https://open-exam-prep.com/practice/journeyman-electrician and follow video tutorials at https://www.youtube.com/@Open-exam-prep . Sources checked: September 28, 2026 - NFPA 70: National Electrical Code (2023 edition), Article 100, Article 300, and Article 310: https://www.nfpa.org/codes-and-standards/nfpa-70-standard-development/70 - Texas Department of Licensing and Regulation (TDLR) Electrician Examinations: https://www.tdlr.texas.gov/electricians/elecexam.htm