Anyone with 12v Air Conditioning Experience?
Having spent the better part of a week in a hot, dry and smokey campground that doesn't allow generators to run (I posted previously about this issue in another thread) it got me to thinking about som...
Forum Discussion
stevenal wrote:
Have you checked the RVIA electrical codes?
I took a pass at trying to understand the relevant industry "codes / standards" and wire gauge x amperage tables, and my debrief WITH LINKS TO THOSE CODES is here.
http://www.barbless.com/share/lifepo4/TJG-Wire-Fuse-Sizing.pdf
Many codes that are stereotyped as "housing" codes do cover low voltage DC systems, and in fact are what the boating and RV standards build off of! IMHO the boating industry with its ABYC standard is the most comprehensive, mature and utilized standard for low voltage DC systems, not only for boats, but for RVs. The RVIA standard is sparse in comparison, and I've seen multiple comments that utilization of the RVIA standard is voluntary and sparse.
IMHO the biggest misunderstandings on various forums are: 1) confusing VOLTAGE DROP tables with THERMAL CURRENT-LIMIT tables and 2) arguing that you only fuse to protect the wire, which means all RVs with 10AWG DC wiring rated at 105C should be fused at 60A.
I'm not an expert, but I am putting my work WITH CITATIONS out for critical inspection and feedback.
--tg
