Wire Size
We tow our 5 th wheel with a 1999 Ford F250 Diesel (The good one a 7.3 ) I recently went on O-2 . The O-2 generator uses Lithium Batteries, and comes with a plug so the batteries will remain charged w...
Forum Discussion
Wire current rating is NOT absolute...like the max tow weight rating of a TV
There are several conditions: free air (there are specs as to what “free air” temp is at...not what is in an engine bay), or three conductors in a cable tray, Etc...
Then the insulation ratin, both in amperes and at some temp. Like load rating of a tire
This has to do with the wires ability to reject heat.
Suggest going with a min of 12 gauge, multi stranded, MTW. THNN would be better.
Connections also play and recommend ring lugs, torqued to spec.
There are several conditions: free air (there are specs as to what “free air” temp is at...not what is in an engine bay), or three conductors in a cable tray, Etc...
Then the insulation ratin, both in amperes and at some temp. Like load rating of a tire
This has to do with the wires ability to reject heat.
Suggest going with a min of 12 gauge, multi stranded, MTW. THNN would be better.
Connections also play and recommend ring lugs, torqued to spec.
