Humming Variac?

From: Sellam Ismail <foo_at_siconic.com>
Date: Thu Sep 19 15:35:01 2002

Is it normal for a Variac to hum when it's plugged in?

If not, any ideas why one would do so?

Sellam Ismail Vintage Computer Festival
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Received on Thu Sep 19 2002 - 15:35:01 BST

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