Re: O and I

Subject: Re: O and I
From: Grant Hogarth <grant -at- ONYXGFX -dot- COM>
Date: Sat, 27 Jul 1996 12:30:20 -7

I have also heard/ seen the explanation that o = open (broken circuit) and
I = closed (connected circut)

It also can be easily detected by vision-impaired persons when
embossed or raised.

Most of the electronic gear I have has this symbology, and
I have also seen this on a fair number of power tools such as
table saws, drill presses, etc.

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