Where is that chart that says what size wire to go with depending on power.
20', 100w --- 12 or 14 or 16?
Keep in mind that length is a factor here as well. If you're doing a long run (>20 feet), you should use one size larger. It doesn't hurt to use a wire size that's larger than necessary, but it will usually cost more and can be more difficult to install.
Power Wire:
10 gauge: ~35 amperes
Class D (~70% efficiency) -
Class A/B (~50% efficiency) -
8 gauge: ~55 amperes
Class D (~70% efficiency) -
Class A/B (~50% efficiency) -
6 gauge: ~87 amperes
Class D (~70% efficiency) -
Class A/B (~50% efficiency) -
4 gauge: ~140 amperes
Class D (~70% efficiency) -
Class A/B (~50% efficiency) -
2 gauge: ~220 amperes
Class D (~70% efficiency) -
Class A/B (~50% efficiency) -
1/0 gauge: ~350 amperes
Class D (~70% efficiency) -
Class A/B (~50% efficiency) -
2/0 gauge: ~440 amperes
Class D (~70% efficiency) -
Class A/B (~50% efficiency) -
4/0 gauge: ~700 amperes
Class D (~70% efficiency) -
Class A/B (~50% efficiency) -
Speaker wire:
22 gauge: ~2.2 amperes
8 ohms -
6 ohms -
4 ohms -
3 ohms -
2 ohms -
1 ohm -
20 gauge: ~3.4 amperes
8 ohms -
6 ohms -
4 ohms -
3 ohms -
2 ohms -
1 ohm -
18 gauge: ~5.5 amperes
8 ohms -
6 ohms -
4 ohms -
3 ohms -
2 ohms -
1 ohm -
16 gauge: ~8.7 amperes
8 ohms -
6 ohms -
4 ohms -
3 ohms -
2 ohms -
1 ohm -
14 gauge: ~13.7 amperes
8 ohms -
6 ohms -
4 ohms -
3 ohms -
2 ohms -
1 ohm -
12 gauge: ~21.8 amperes
8 ohms -
6 ohms -
4 ohms -
3 ohms -
2 ohms -
1 ohm -
10 gauge: ~34.6 amperes
8 ohms -
6 ohms -
4 ohms -
3 ohms -
2 ohms -
1 ohm -
8 gauge: ~55 amperes
8 ohms -
6 ohms -
4 ohms -
3 ohms -
2 ohms -
1 ohm -
Maximum Fuse Size
00 awg 400 amps
0 awg 325 amps
1 awg 250 amps
2 awg 200 amps
4 awg 125 amps
6 awg 80 amps
8 awg 50 amps
10 awg 30 amps
12 awg 20 amps
14 awg 15 amps
16 awg 7.5 amps
These are the recommended maximum fuse ratings for the corresponding wire size. Using a smaller fuse than what's recommended here will be perfectly safe.
This?
you know that i design/build computers right?
Sure do
Yesterday I posted....
Can I change out my current AMD Athlon 64 X2 3800+ chip for a AMD Athlon 64 X2 5000+ chip without having to change out mobo?