Key Questions
The following key questions are answered in this module:
What is the difference between a wire, a cable, and a cord?
These terms are sometimes used interchangably, but they are not the same. A wire is a single conductor. A cable is made up of two or more insulated conductors, or wires. A cord is a flexible cable.
What are the most common violations of the Electrical Methods standard?
Improper use of flexible cords and cables, open knockouts on electrical boxes and cabinets, missing cover plates on pull boxes and junction boxes, damaged or spliced flexible cords and cables, and the use of temporary wiring as permanent wiring
Can extension cords be used as permanent wiring?
No. extension cords are considered temporary.
When is temporary wiring allowed?
Temporary wiring can only be used for remodeling, maintenance, or repair, for Christmas lighting, carnivals, or similar purposes for up to 90 days, and for emergencies or tests.
How do you know what applications are acceptable for a flexible cord?
Flexible cords are marked with codes to identify the cord type, cord size, number of conductors, and approved conditions for uses