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
Normally a hot wire is black. When more than two wires are used, a red wire can also be a hot wire. Tâ¦he white wire is the neutral. A green or bare wire is the protective ground wire for the safety of the users of appliances and other equipment that gets plugged into the home wiring socket outlets.