I am looking for criterea and calculation of dimensions, safety factor etc.
2006-06-11 02:35:43 · 3 answers · asked by HAREESH M 1 in Science & Mathematics ➔ Engineering
Wire gauge is selected based on current capacity and voltage drop. Insulation type is based on voltage, environment, and type of service.
There are published standards for many different applications. Safety factors are figured into the requirements.
2006-06-11 05:54:33 · answer #1 · answered by injanier 7 · 1⤊ 0⤋
By what punishment they have to take from the weather and the kind of current we want to put through them. Just read the NEC.
2006-06-11 05:51:34 · answer #2 · answered by sciguy 5 · 0⤊ 0⤋
by voltage, current, temperature, chemical environment, wet or dry.
look in then "American electricians hand book" and/or the "national electrical code 2005". if we know why you wanted it we could help more
2006-06-11 03:01:24 · answer #3 · answered by Anonymous · 0⤊ 0⤋