Thanks for emailing! See answers below your questions:
THERMOCOUPLE INPUT TYPE K or TYPE S (MAXIMUM RESISTANCE 100 OHMS)
ACCURACY +/- 10ûF
COLD JUNCTION COMPENSATION ELECTRONIC
POWER INPUT 24V CENTER-TAP TRANSFORMER
OUTPUTS 1, 2, 3, AND SAFETY 600 mA AT 12V; FOUR 12V RELAYS WITH 80 OHM COIL
OUTPUT 4 150 mA at 12V; ONE 12V RELAY WITH 80 OHM COIL
OPERATING TEMPERATURE RANGE 0ûF TO 125ûF OR 0ûC TO 52ûC
Thanks so much for answering the questions!
Well, now that I think about it, I guess I can ask the electrician if there will be any problem with the specs of 19000 watts and 79.2 amps. The watts are the power. If there is anything else you think I should ask the electrician before ordering the kiln, please let me know.