James Skalski wrote:
I need a transformer that has 117vac primary and 400v RMS secondary.

Jim n2go
I have no idea if you need milliamperes or megamperes, but you might
take a look at these auctions:
http://cgi.ebay.com/uTC-S-52-Bias-tr...mZ5815897385QQ
http://cgi.ebay.com/Stancor-High-Vol...mZ5815257730QQ
http://cgi.ebay.com/STANCOR-POWER-TR...mZ5816026608QQ
http://cgi.ebay.com/NOS-110-400v-Aut...mZ3836685392QQ
http://cgi.ebay.com/800-Volt-Power-T...mZ5815910555QQ
http://cgi.ebay.com/Thordarson-800vc...mZ5800008246QQ
Drive this one with 120 volts on the 240 volt winding for 400 volts
out, and a very cool core :-)
http://cgi.ebay.com/800V-6-3V-at-700...mZ7509374156QQ