30 Amp to 15 Amp 110 Volt RV Adapter Cord with Locking Connector, GearIT 30Amp Female to 15Amp Male Dogbone RV Trailer Camper, NEMA 5-15P L5-30R, STW 10 Gauge Heavy Duty Electrical Power - 12in, 1ft

Works fine when using minimal power draw like lights and tv. I wouldn’t use the smaller extension cord for A/C or microwave

Easy to install had no problems when it rained love the easy grip handle

Locks on tight but mine did not have a locking ring.

Obviously having access to a full 30A is better, and often necessary when camping. However I dont have a 30A outlet at our home, yet want to use AC power to pre-chill the refrigerator, keep the battery charged, and/or use interior lights. This dogbone adapter allows me to do all of that without using my heavy 30A cable as the starting connection. What attracted me to this adapter is the wire can safely handle 20A. My home has a GFCI 20A outlet and 20A outdoor extension cord. 20A is more than enough power to prepare for our next camping trip.

seems very well made.