Chapter 3 in the National Electrical Code (NEC) is 100 pages long in the 2020 loose-leaf edition. How can you possibly wrap your mind around that without extensive study? The answer is to see how the ...

How do those defibrillators you see on TV actually work? Surprise! Physics can explain! So, how do those defibrillators you see on TV actually work? Surprise! Physics can explain! Okay buckle up, ...

Sometimes the most important part of a job is knowing when it’s within your skillset and knowing when to call in a more qualified professional. When the task involves electricity that’s always the ...

Parts of Chapter 2 provide the requirements for services, feeders, and branches. Parts of Chapter 3 tell you how to size conductors. How can you put all of this together for an actual application or ...