A adriaand New Member Jan 16, 2011 #1 Hi I know thickness of wire to use in household appliances but what thickness do I use for a 12v7aH battery or does the thickness not matter on dc?
Hi I know thickness of wire to use in household appliances but what thickness do I use for a 12v7aH battery or does the thickness not matter on dc?
K KeepItSimpleStupid Well-Known Member Most Helpful Member Jan 16, 2011 #2 It depends on a few things: 1. What fuse you intend to protect the system with? 2. How far away the load is? 3. How much voltage drop can the load tolerate? (3 to 5% is a good number)
It depends on a few things: 1. What fuse you intend to protect the system with? 2. How far away the load is? 3. How much voltage drop can the load tolerate? (3 to 5% is a good number)
A adriaand New Member Jan 16, 2011 #3 Its for a model boat. So max lenght is about 30cm. No fuse. I don't want to drop to much voltage. Will 1mm wire be to thick?
Its for a model boat. So max lenght is about 30cm. No fuse. I don't want to drop to much voltage. Will 1mm wire be to thick?
Mosaic Well-Known Member Jan 17, 2011 #6 Have a look: American Wire Gauge table and AWG Electrical Current Load Limits with skin depth frequencies
Have a look: American Wire Gauge table and AWG Electrical Current Load Limits with skin depth frequencies
A adriaand New Member Jan 17, 2011 #8 Yes I'm going to use 1mm for the motor and 0.5mm for the rest of the boat. Thank you.
C carmusic New Member Jan 18, 2011 #9 i would use a fuse, if the motor goes short-circuit the wire may caught fire, even the battery can melt
i would use a fuse, if the motor goes short-circuit the wire may caught fire, even the battery can melt