Sort by: Recently Viewed
There are 151 items in this tab
27:06
93%
Transformer Series Part 4 – 10′ Secondary Conductors Rules
Join Paul Abernathy as he continues the transformer series and talks about the rare (C)(1) secondary conductor rule as well as the 10...
46:40
97%
Transformer Series Part 3 – Conductor Sizing & 240.21(B)(3) Tap Rules
Join Paul Abernathy as he takes you through part 3 of the transformer series on how to size primary and secondary conductors to trans...
48:46
96%
Transformer Series Part 2 – Calculating the Primary and Secondary Overcurrent Protection
Introduction to Transformers and the National Electrical Code® in 2017 NEC. This is a multi-part series on understanding transformers...
14:15
99%
Transformer Series Part 1- Calculating Primary & Secondary Current Ratings
Introduction to Transformers and the National Electrical Code® based on the 2017 NEC. This is a multi-part series on understanding tr...
0%
Single Family Dwelling | Optional Method Part 1
Single Family Dwelling Optional Service Calculation – Part 1
58%
Fire Alarm System Multimeter Demonstration
With this small demo board setup, we look at some practical ways to use a multimeter to find common problems including open circuits,...
0%
Heat Detector Spacing Requirements
NFPA 72 Chapter 17.6 Heat Sensing Fire detectors. This week we take a detailed look at code requirements for the mounting and spacing...
100%
Smoke Detector Spacing Requirements | Part 2
This is a follow-up to part 1 of Smoke Detector Spacing Requirements. Now we are looking at spot-type smoke detector spacing with bea...
0%
Smoke Detector Spacing Requirements | Part 1
This week we took a good look at NFPA 72 17.7.3.2 (2016 edition) Spot Type Smoke Detectors and their spacing requirements.