Coppersmith
Senior Member
- Location
- Tampa, FL, USA
- Occupation
- Electrical Contractor
The idea for color coding NM came from a book by Rex Cauldwell called Wiring a House, For Pros by Pros.
The boss at Southwire read this book and decided to implement the color-coding.
Rex writes about this on page 134 of the 4th edition.
The boss at Southwire read this book and decided to implement the color-coding.
Rex writes about this on page 134 of the 4th edition.