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This looks like a type H-39, but I can't tell if it's 125V, or 250V. A coworker sent the picture and they didn't test for voltage. Is there anyway to tell what kind it is without testing it? Is it even an H-39?
From everything I can find 1 and 2 are the same receptacle. It's just a matter of application
So in answer to your question NO. you need to test it to find out it's apllication.
Sorry I couldn't be of any help.
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