This is a large commercial slow cook oven and warmer. It has about 20 wire shallow basket holders that fit two deep per shelf rung. I will get more information and update but as I recall it is 2 phase, 30 amp. I am selling for the owners. Here is the FWE company website: https://www.fwe.com/products/lch?_gl=1*rb7j2r*_up*MQ..&gclid=CjwKCAjw26KxBhBDEiwAu6KXt0YGzir7aXG6dr5XHWOmnD3oeGeEg_tVtk6jke5-wrxX7P3Nyw_qGhoCe_AQAvD_BwE