shunt/ current sense resistor question

If it's not too long, the heat might dissipate through the adjoining traces. (if they didn't lie about the resistor wattage, that is)

The small wire of the resistors should handle it just fine. The main reason for # 12 wire on the circuit is for the voltage drop.

Here's a diagram of what I was trying to explain. I wasn't sure I was very clear, so hopefully the diagram will better relate:

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Here's a diagram of what I was trying to explain. I wasn't sure I was very clear, so hopefully the diagram will better relate:

Here's a diagram of what I was trying to explain. I wasn't sure I was very clear, so hopefully the diagram will better relate:

I understand what you are going to do.

To put your mind at ease Astron that makes power supplies has a 20 amp one that has two pass transistors. That means that each one would be good for 10 amps. They use only one .1 ohm 10 watt per transistor.

I have larger ones that do the same thing and they have worked for years with no problems.

Each of your resistors will need to be less than 3 watts at a 10 amp current if a quick calculation is correct.

Ok, just wanted to be sure as high current would still have to squeeze through those small areas and I wanted to minimize heating and loss. In my mind, it sort of defeated the purpose of using 12 gauge wire everywhere else to have a bottleneck at the end, but if all is well then no longer concerned. There will be two 5W resistors in parallel, so good to go on wattage. Thanks again.

Also, most current-sensing transformers don't need that high voltage (of shunt resistors) and can isolate any especially sensitive circuitry that might be there.