Renogy: What Changes at Inspection as RVIA Electrical Enforcement Takes Effect

The following was shared by Renogy to inform RV dealers of what actually takes place at inspection, and the specific check a service department should make before touching a solar package:

RV Industry Association (RVIA) mandatory enforcement of new standards for electrical components began Sept. 1. A month on, the effect is showing up less as a compliance deadline than as a change in what dealers and OEMs ask a supplier for.

The enforcement date applies to the 2026 edition of NFPA 1192, the 2025 ANSI/RVIA DC Standard for DC Voltage Systems in RVs, and the portions of the 2026 National Electrical Code RVIA has adopted. Article 551.40(D), on grounding-monitor interrupters, was excluded pending availability of listed devices. RVIA enforces through unannounced inspections of member-company RV manufacturing plants, more than 2,000 a year.

Naming the certification is harder than it sounds. Certification language varies between suppliers, and a spec sheet does not always say which standard applies. Certification to a standard and listing by a laboratory are related but not identical, so the model and the mark both matter.

The requirement that changed is specific. Section 2-7 of the DC standard requires that an RV shipping with solar already installed carry a charge controller listed by a nationally recognized testing laboratory and rated for the array it feeds. A controller without that listing is a nonconformity at inspection. Renogy’s REGO MPPT charge controllers, in 30A and 60A, publish certification to UL 1741 alongside CAN/CSA-C22.2 No. 107.1 and IEC 62109, on the product pages where an OEM engineer would look for them.

The broader picture is that the whole industry is working toward readiness rather than any one supplier being finished, in a market with less room than it had for a component nobody can document.

For dealers, the rule reaches the service drive indirectly. Section 2-7 sets the factory controller’s rating against the array it was built with, calling for input power no less than 125% of the array’s maximum power, and input voltage no less than its cold-corrected open-circuit voltage. So the practical rule for a service department is short: if you touch the panels, examine the charge controller. A change in array wattage or configuration can move the system past what the installed controller was sized for, which can widen the job from panels alone to panels and controller.