1962

Year: 1962

Pages: 448

Size: 4.25" X 6.375"

Availability: Common

Facts:

Last of the Brown books

First time NM cable required a grounding conductor. Some of the NM cables that were made at that time had a #16awg grounding conductor. This change in 1969 I believe.

First code to require "ALL" branch circuits to include a grounding conductor