MHE Field Notes
Plain-language writing on the code, the exams and the reasoning behind the rules — written for people already on the tools, not for a classroom.
MHE Field Notes
What to Say When the Inspector Red Tags You
The NEC has no force until your jurisdiction adopts it, and adoption varies by state, county and city. Knowing which edition you are actually under is half of defendin...
Read more →
The Empty Space in Front of a Panel Is Working Space
Depth, width and headroom in front of gear are not courtesy dimensions. They are the room you need to get clear, and the room somebody else needs to reach you.
Read more →
Why the Code Asks You to Label the Panel
A NIOSH investigation from 1988 records a journeyman killed on an ordinary flood light install, and notes that the panel was not labeled. The circuit directory is not ...
Read more →
How a Code Change Actually Happens, and Why It Keeps Happening
The three-year revision cycle is not an office inventing work for you. It is public input, panel response and adoption lag, and it explains why last year's rule is no ...
Read more →
You Passed the Test and Still Don't Know Why
A license certifies that you could find a rule under time pressure. It certifies nothing about whether anyone ever explained it to you, and the trade has no mechanism ...
Read more →
Several Imperfect Electrodes Beat One Perfect Rod
A ground rod does not clear faults. Here is what the grounding electrode system is actually for, why the code wants rods, Ufers and water pipe bonded together, and whe...
Read more →Code reasoning, in plain language.
One email a month on the code, the exams and what the data actually shows. No hype, unsubscribe anytime.
We never share your email.
Then decide.
30-Day Money-Back Guarantee · Hardcover · Ships worldwide