Hi Rich,

        O = Out of Circuit
        I = In Circuit

Note: while many people believe the symbols are O & 1, they are in fact
O & I

Regards,

Serge   

-----Original Message-----
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org] On Behalf Of Rich Nute
Sent: Monday, October 21, 2002 10:53 PM
To: Barker Neil
Cc: Product Safety Technical Committee
Subject: Re: OFF is zero





Hi Neil:


>   The origin may be true, but IEC60417 is quite clear. ON is a
vertical line
>   (symbol 5007) and OFF is a circle (symbol 5008).

Agreed.

And thank you for the clarification.


Best regards,
Rich







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