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Is cheater plug safe with grounded monster power?

I recently plugged in a new amplifier into my monster power HTS-2600 and experienced a loud speaker hum. Applying a cheater plug to the amp outlet on the HTS-2600 completely eliminated the hum. My question--and excuse my ignorance--is whether it is safe to use a cheater plug to the amp outlet of a power station that is itself properly grounded? Although the temptation to continue using the cheater plug is high because of improvement in sonics, I am not comfortable because I think the amplifier without a ground to the power station would not be protected even if the power station is grounded. Am I correct in my logic? I thought a cheater plug was only safe when used with old 2-pronged outlets to allow use of 3-pronged plugs and attaching the cheater plug wire to the screw of the grounded outlet?
number1cuban
darrylhifi
498 posts
 
I dont know if its safe. But why would a company like PS Audio sell Power Cords with removable ground pins ?
gregadd
574 posts
 
TBG. I read both of your posts.I could not understand neither. A three prong converter which acccepts a three prong plug steps it down to a two prong plug and ground wire. That wire is designed to be attached to the screw of recptacle that holds the faceplate to the wall. I assume that when he used the cheater plug he was left with no place to attach the wire. It is not requireed that third wire be attched to the screw of that faceplate. It can be grounded to any structual metal. I ground my turntable to my preamp. Respect Electricity!
tbg
5,263 posts
 
If he has two paths to ground with different resistance to ground, he has a ground loop. The cheater opens one of these paths, closing it again by attaching the wire of the cheater to the ground at the outlet reconnects it. I must admit that I am merely restating what I said as I have no idea what you don't understand in my posts.
warnerwh
537 posts
 
The third pin is a safety ground and the cause of many woes. Many of us grew up without it and are still here. The third pin is a good idea but not absolutely necessary. Be sure to make sure your outlets have the polarity correct, this is also important. A polarity checker can be bought for five bucks. What gets me is a toaster which carries quite a bit of current and is commonly metal on the outside usually only has two prongs. Then in most new homes ground fault outlets are required in kitchens. Who's making this stuff up anyway.
gregadd
574 posts
 
He starts out with amp grounded to Monster device. Device gounde to wall. Cheater plug breaks grund to device. Amp is now not gounded. Attach amp to its own ground independent of device. In my mind amp has only one path to ground. What's wrong?
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