I suspect you just crossed both "sides" of your house line. One black was probably 180 degrees out of phase with the other - resulting a dead short at 240v instead of 120v (this is how you get 240 for the stove and dryer)
You also see this kind of arrangement in kitchen split circuits.
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If I say \"Eject!\" and you say \"Huh?\" - you\'ll be talking to yourself! - Maj. Bannister, <b>Steel Tiger</b>
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