A followup as promised, the Toyota PiP cable does work fine and charges the Spark at either 8A or 12A. As expected.
We bought the Spark with the DC charger option, but so far we've felt no need for it, neither for 220V level 2. So far we've never visited a charging station away from home or...
Thanks for the replies. The Prius ESVE nameplate rates it as follows:
INPUT 110-120V~ 12A 60Hz
OUTPUT 110V-120V~ 12A 60Hz
for use with electric vehicles
ventilation not required
It does have a Toyota name at the top but in all respects seems to be generic, for "electric vehicles". It should...
Both are SAE J1772 standard. I think it is okay, but just want to be sure. I have one at home and the the other at the office (higher commercial rates) but would like the option to top off at either location. 120 volt, 8 or 12 amps.