LAC 28:CV.1711. Conductors

A. Various Types of Conductors: 1. types of conductors and insulators; 2. why some materials are better conductors or insulators than others; 3. effect of heat on insulators; 4. sizing and typing of conductors: a. use letter symbols to identify insulator types; b. use American Wire Gauge Chart and convert inches, mils, square mils, and circular mils from one to the other; 5. differences between aluminum and copper conductors; 6. properties of high voltage cable; 7. effects of soil conditions on underground cable. B. Conductor Installation Techniques: 1. different wiring methods for particular conductors and situations: a. wire connectors; b. types, installation, limitations; 2. different methods of installing conductors in conduits, raceways and cable trays: a. problems which may be encountered; b. maximum tension allowed; c. use of pulling machines to assist in installation of wire; 3. proper splicing methods and techniques for various conductors and locations. C. Methods for Selecting Conductors: 1. using code to determine type of conductor to use in particular situation; 2. using mathematical calculations to determine current carrying capacity of conductors; 3. calculating or selecting cable ampacity from NEC tables; 4. loads for sizing conductors; 5. code requirements depending on types of circuits and loads (lighting, appliance, heating, service entrance). D. Cable Fault Situations: 1. the types and causes of cable faults; 2. methods and equipment for locating cable faults, including terminal, tracing and magnetic detection.