ANSI

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Nick

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Does anyone know where I can find definitions to the ANSI device numbering system? What I am looking for are definitions to the numbers you see as part of medium voltage on line diagrams. (50/51N is one example) I have some of them from a previous job but I was wondering where I could get more info. PS: It's not worth it to me to spend $100.00 on buying the standard! :eek:
 

Nick

Senior Member
Re: ANSI

Thank you that is exatly what I was after. The second link is a very informative site!
 
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