from web site
The new cable colours of brown, black and grey do not lend themselves to coloured indications. For Found Here , three-phase control panels will often utilize sign lights of the old colours. Colours, repaired and versatile cable television [modify] Standard wire insulation colours Versatile cable (e. g., extension, power, and light cables) Region or nation Phases Neutral Protective earth/ground Argentina, European Union, South Africa (IEC 60446),, Australia, New Zealand (AS/NZS 3000:2007 3.
8.3), (formerly), "any colour other than green, yellow, green/yellow, black or light blue", (formerly), (formerly) Brazil (ABNT NBR 5410:2004 6. 1.5),,,,, Any color might be used for flexible cable television phases, omitting green and green/yellow striped. For security reasons, yellow need to not be used when green/yellow striped cables are present.
(light blue), China (PRC),,, United States, Canada (120 V) metal brass metallic silver,;, green/yellow removed United States, Canada (split-phase 240 V),,;, green/yellow striped Fixed cable television (e. g., in-, on-, or behind-the-wall cables) Region or nation Phases Neutral Protective earth/ground Argentina; China; European Union (IEC 60446) from April 2004; the UK from 31 March 2004 (BS 7671); Hong Kong from July 2007; Singapore from March 2009; Russia given that 2009 (GOST R 50462); Ukraine, Belarus, Kazakhstan; South Korea from January 2021,, India, Pakistan; UK, prior to 31 March 2004 (BS 7671); Hong Kong, prior to 2009; Malaysia and Singapore, prior to February 2011,, Australia, New Zealand (AS/NZS 3000:2018 3.
4),,,, To designate any Phase, the above colors are forbidden. While any other color is permitted, for single phase setups the "Line" color is typically Red and the "Switched Line" color is normally White, recommended for single stage typically utilized for "Switched Line",, recommended for multiphase (since about 1980 Stranded Wire) (given that about 1966 Stranded Wire) Stranded Wire no insulation; sleeved at the ends (previously) Brazil (ABNT NBR 5410:2004 6.