NEC 2020 705.12(B)(3)(3)
This subsection establishes rules for the total ampere ratings and busbar’s ampacity. It states that permanent warning labels are mandatory to indicate the panel is supplied by multiple sources and remind personnel of the ampacity limits.
- NEC-compliant solar labels and placards
- Engineer grade vinyl with UV-resistant inks
- Same day shipping, delivery within 24-48 hours
- Wholesale accounts available to solar contractors




