Ampacities & Derating is the sixth DVD in the 2008 Mastering the NEC series. Electrical professor Mark Shapiro provides a comprehensive explanation on the subject of Ampacities & Derating and how it relates to the 2008 NEC. He further explains how you can apply this information on the job. The 2008 Mastering the NEC series of DVDs offers practical explanations on Code changes, and are designed to help electricians, designers, supervisors, contractors and maintenance personnel understand the NEC. This video's running time is 77 minutes.
Topics covered in the Ampacities & Derating DVD:
-
Introduction, Table 310.16
- Derating Calculations
- Grounding Conductors – Neutrals
- Harmonics
- Wire Sizing & Color Coding
- Paralleling Conductors
- Ampacity Tables
- Flexible Cord Ampacities
- 60, 75 & 90ºC Insulation Ratings
- Summary