PO on my trailer butchered a 15A extension cord into the system as its land power line. My question is, are all RV parks standardized to a NEMA 10-30P 30A 120V connector? (grounding lug and 2-45 deg. rotated flat lugs) Steve Jones '58 Airstream Overlander - Modern Remodel Original Parts Available S&M Cycles Queen Creek, AZ 85242 602-321-0421