Ninjastic
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Board Hardware
Re: ANTMINER S7 is available at bitmaintech.com with 4.86TH/s, 0.25J/GH
by
Foreman
on 03/12/2015, 00:27:53 UTC


But:
Quote from: elokk on December 02, 2015, 10:12:55 PM
http://www.doityourself.com/forum/attachments/electrical-ac-dc/10988d1364842531-240v-20a-receptacle-four-wires-only-places-3-wires-leviton-5461-w-20-amp-250-volt-nema-6-20r-2p-3w.jpg

Here is what the wall outlet looks like, right next to a window. There are 2 separate 20 amp fuses in the box next to eachother turned off. They are labeled "httr I flor 240" .... the previous owners were European that spoke very poor English

That looks more like a 110/120 outlet.  220/240 tend to be much bigger.  Some one correct me if they think different.  Here is a example of my 240 recpetical. http://www.lowes.com/pd_197494-334-L630R-L_0__?Ntt=l6-30r&UserSearch=l630r&productId=1056959&rpp=48
[/quote]


That's a NEMA 6-20p receptacle, 20amps 220/240 volts because it's double pole outlet (two hot 110/120 wires) installed with 20 amp double pole breakers with 12/2 line. 
http://www.homedepot.com/p/Leviton-20-Amp-Double-Pole-Single-Outlet-White/100356999;jsessionid=C8BE206E3817D6CF6DE20BE5D0293E03
Then use this plug for your PSU to match the outlet http://www.amazon.com/gp/product/B0093WFT5C?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s01

20ampx220volt=4400watts x .8 (80%) = 3520 watts per receptacle

You can have 2 S7 with this recepticle http://www.amazon.com/gp/product/B000U3BVHI?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s02  and still have around 1000w leftover with 80% draw on the line.