Honestly have no clue what cone it will be fired at. I’m just in my highs schools ceramic class. The wire is just a high temp wire, I have no clue what the results will be after it’s fired so I’ll just have to see what happens. This is the wire Kemper High Temp Wire 17 Gauge 10 Feet Great General Purpose Support Wire (Original Version) https://www.amazon.com/dp/B00CLC5JWO/ref=cm_sw_r_cp_api_i_PSHBVNTJBT787CMMTPVH?_encoding=UTF8&psc=1
There’s also a wire called high fire wire that can go through kiln temperatures, I’m sure that would work well in an oven too. This is the one I use Kemper High Temp Wire 17 Gauge 10 Feet Great General Purpose Support Wire (Original Version) https://www.amazon.com/dp/B00CLC5JWO/ref=cm_sw_r_cp_api_glt_i_3RC0BMZP7CRMM56AC3E1