Hi Kevin,

The 120-240V product is auto-ranging and can use either voltage with no special 
action required. The 120/240V product will have a voltage selector switch. I do 
believe this is common knowledge, at least among product safety engineers. ;)

Scott Aldous
Compliance Engineer
AE Solar Energy

  +1.970.492.2065 Direct
  +1.970.407.5872 Fax
  +1.541.312.3832 Main
[email protected]


1625 Sharp Point Drive
Fort Collins, CO 80525

www.advanced-energy.com/solarenergy


-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Kevin Robinson
Sent: Friday, January 27, 2012 8:20 AM
To: emc-pstc
Subject: Is this common knowledge - Electrical Ratings

Happy Friday everyone

I am asking a question that I already know the answer to, but I am
trying to determine if it is common knowledge or if it was something
that I picked up along the way and have always accepted as being true.

If you were to see a product with a marked electrical rating of
120/240 V and another product with a marked rating of 120-240V, what
would be the difference between these two products?  Would a user or
operator need to do anything special with one or both of these
products to use it at 120V or 240V?

Thanks,

Kevin Robinson
OSHA

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