2006-11-24 06:03:56 · 4 answers · asked by awni 1 in Science & Mathematics ➔ Engineering
by area of wire you can.
2006-11-24 06:33:26 · answer #1 · answered by Mr.ENG 2 · 0⤊ 0⤋
The information in tables gives you the current carrying capacity of conductors under certain conditions, but does not address the problem you may have with voltage drop. To determine the proper size you would need to know the supply voltage, inrush currents, running voltage at which equipment operates. Other tables can give you values of resistance for various conductor sizes. You will need these in order to determine voltage drop.
2006-11-24 13:52:04 · answer #2 · answered by Ed 6 · 0⤊ 0⤋
There are tables for this.
It depends on several factors , the environment, is it outside ? , are the cables under the ground, The temperature of the environment, is the environment chemical hostile, etc..., there is no formula fo this, there are tables for this.
2006-11-24 06:41:00 · answer #3 · answered by gjmb1960 7 · 0⤊ 0⤋
i use the baby formula: touch the baby to the live wires, if it starts to smoke then the wires are too small
2006-11-24 06:06:18 · answer #4 · answered by Just A Guy 1 · 0⤊ 1⤋