Paul McGowan writes:
Continues @ http://www.hifianswers.com/2017/09/the-20-amp-question/On my recent visit to Japan, I was working with a high-end dealer who had a beautiful set of Dan D’Agastino’s monoblock amplifiers on display. He and I both wanted to pit the BHK monos against these copper-beauties which we did. Helping him disconnect the D’Agastinos from the wall I noticed the amps sported 20 amp IEC inputs that needed a special power cord. Tracing the cable back to the wall socket I had to laugh. An adapter was in use. A 20 amp to 15 amp “cheater plug” because the dealer hadn’t a bonafide 20 amp AC receptacle—not only defeating the purpose of the 20 amp inlet—and limiting power cable selection—but also adding an unwanted layer between the wall socket and amplifier.
I see these 20 amp to 15 amp cheaters in a lot of installations and it raises several questions, one of which I address in .....