12 Gauge wire looks like 14 gauge

[rkenney (Robert (Bob) Kenney, CMI® MD Lic.# 31044)]

A member named Sean Fogerty has developed (3D printer) a set of plastic wire gauges that may help you deal with curveball questions like this.

Wire Gauge Sets

I have been developing a set of plastic wire gauges to help determine sizing. The set will include 5 separate pieces, and cover both copper and aluminum wiring common within the last 20 years, up to current. Copper sizing will include 14-12-10-8-6-4-2-1 and also a 1-0 and 2-0 Aluminum will cover stranded wiring sizes 6-4-2-1 and also 2-0 and 4-0 I should have the first ones available by next month, if anyone is interested. The set should cost around $25.00 I realize this wont cover all wire …