1 Acronym Finder. 2015. 2  AcronymFinder.com 13 Oct. 2015 http://www.acronymfinder.com/Provider-Transaction-Access-Number-(medicare-reimbursements)-(PTAN).html. 3  Chicago style: Acronym Finder. 4  S.v.
The U.S. National Electric code and Canadian Electric Code mandates only white or grey color be used for neutral wires. The International Electrotechnical Commission and countries that abide by it, such as the United Kingdom, use blue for the wiring color code for neutral wire of AC branch circuit. Continue Reading
The cable pairs are color coded as shown: Each pair consists of a colored wire and a white wire with a matching color stripe. The stripe wire is tip and the solid color wire is ring, referring to the tip of the old 1/4 telephone plug and the ring around the shaft that makes the connections. Note: Plugs/jacks and punchdowns have different color codes!