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RE: Isolation transformer in use info

Posted by dcuhl on February 6, 2017 at 15:33:16:
Sorry for the delay in responding, my 20 year old daughter is having some health issues. The isolation transformer consists of 3 major parts, the front and rear 3rd's are identical cast aluminum housings with different end plates, one with the AC cord the other with a single duplex outlet, no fuse and no power switch. the middle third is the transformer itself. 3 through bolts, two on top, one center bottom hold the 3rds together. So in reference to the bells perhaps being loose and possibly causing the hum, there really aren't any bells as one would think of them. The topaz uses the cast aluminum housings as the bells, the insides of which are empty or hollow with nothing to block the transformer radiated emi from reaching the incoming AC current or from it reaching the back side of the duplex and its AC connections. What to do in this space to shield, block or absorb the emi has been the subject my mind ponders, whenever it has a free moment.
The blow dryer could be in a 15 or 20 amp circuit as the most likely breakers are adjacent and it could logically be on one of three and the only real way to find out is to intentionally trip it to find the specific one rather than flipping breakers and having to reset or reprogram various kitchen devices, which I am unwilling to do. As to which leg, again I'd have to trip the breaker to know for certain. Perhaps the next time the power goes off and I have to reset the appliances anyway I'll take the 3 minutes to figure it out. To all whom responded, many thanks for your help and input, it is appreciated.