A “3-wire” 220v line, has 2 insulated copper wires and 1 bare copper wire. A “4-wire” 220v line would have 3 insulated copper conductors and 1 bare copper conductor. Difference […]
Tag: wire
Wire color Code: standards and rules for marking
The wire color code is a very important thing to note. Especially for electricians, electrical engineers, technicians and even regulars. Installation standards and guidelines for wiring are designed to protect […]