This standard specifies electric heating alloy wires and strips (hereinafter referred to as wires and strips) that are mainly composed of nickel and chromium, or iron, chromium and aluminum and are used in heating elements.
JIS C 2520:1999 history
1999JIS C 2520:1999 Wires and rolled wires for electrical heating
1986JIS C 2520:1986 Wires and rolled wires for electrical heating