RedVector is happy to announce that the following 3 courses have been released for 2017 NEC Changes Mobile-ready Video Courses.
Chapter 3 of the 2017 National Electrical Code contains requirements for conductor sizing and wiring methods. Several changes were made in Article 310 and the articles covering cable and raceway wiring methods [320-399]. In this interactive, online course, we will discuss several changes in Chapter 3 including 310.15(A)(2) Selection of Ampacity, 310.15(B)(3)(c) Raceways and Cables Exposed to Sunlight on Rooftops, and 310.15(B)(7) Single-Phase Dwelling Unit and Feeder Service Conductors. We will discuss the listing requirements in the Chapter 3.6 section and the .30 sections for securing and supporting throughout chapter 3. We will also examine 336.10 Uses Permitted for (TC cable) or tray cable and 338.10(B)(4)(a) Uses Permitted for service entrance cable or (SE cable), and review 344.14 Dissimilar Metals in Rigid Metal Conduit Systems (RMC). Other topics covered in the course include 350.28 Trimming of Liquidtight Flexible Metal Conduit (LFMC), 358.10 Uses Permitted for EMT. 376.20 Conductors in Parallel for Metal Wireways, and 392.22(A), which covers the number of conductors in (cable trays).
How important to you are the changes in the 2017 NEC codes for receptacles and switches? In this interactive online course, you will get the updates to Chapter 4 of the 2017 NEC, which contains the rules for equipment, including switches and receptacles. Several changes were made in Article 404 for switches and in 406 for receptacles. The topics we’re going to cover are 404.2 C, Switches Controlling Lighting Loads. We did a lot of good work in that section. 404.9 B, Grounding of Switches. 404.22, Electronic Lighting Control Switches. 406.2, Definitions. 406.3, Receptacle Ratings and Types. 406.4, General Installation Requirements. 406.5, Receptacle Mounting. 406.6 D, Receptacle Face plates with Night Lights or USB Chargers. 406.9 B for Receptacles in Wet Locations. And finally, 406.12, Tamper Resistant Receptacles.
Chapter 4 of the 2017 National Electrical Code contains requirements for appliances and equipment. Several changes were made in Article 400 for flexible cords and flexible cables, 408 for panelboards, 422 for appliances, 440 for air conditioning and refrigerating equipment, and others. In this interactive, online course, we will discuss some notable changes including new rules for service panelboards, new listing requirements for appliances, new requirements for marking the available fault current, and a new equipment grounding conductor requirement for some air-conditioners.