NEC is designed for electrical safety. It's based on the size of the
conductor necessary to permit a breaker to trip when you have a ground
fault.
R56 is designed to improve survivability of lightning strike or other EMP
event. The wires are sized large enough to ensure a low impedance
(resista
PM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] Equipment Ground Wire Sizes
Depends on if you are grounding for safety and circuit breaker blowing, like
for a receptacle, or grounding for surges etc. They keep trying to convince
the world that a small surge suppressor needs a #6 wire, bu
the ground block.
From: AF on behalf of Ken Hohhof
Sent: Tuesday, January 7, 2025 11:44 AM
To: 'AnimalFarm Microwave Users Group'
Subject: Re: [AFMUG] Equipment Ground Wire Sizes
I personally think some people treat R56 as some sort of gospel that
Depends on if you are grounding for safety and circuit breaker blowing, like
for a receptacle, or grounding for surges etc. They keep trying to convince
the world that a small surge suppressor needs a #6 wire, but that is almost
impossible. #10 works well for surge suppressors.
As far as th
I personally think some people treat R56 as some sort of gospel that it
doesn't deserve. The latest edition is dated 2005 but it originally came
out in 1987, and while it's used as an industry standard, it was developed
by one company (Motorola). Lots of good stuff in it, but do you believe
every
