NEMA, ANSI, IEC, ASTM, ASHRAE, I could go on and on. There tons and tons of standards independently developed by industry associations. Many of them later get a

NEMA, ANSI, IEC, ASTM, ASHRAE, I could go on and on. There tons and tons of standards independently developed by industry associations. Many of them later get adopted into law by various government, but the government is not forcing these to exist.