RV locking power cord plug adapter 15 A to 30 A twist-lock - Function and compatibility Converts a 15 amp male plug to a 30 amp female twist-lock, allowing a 15 A shore power source to be used with a 30 A twist-lock RV receptacle. - Secure and reliable Locking twist-lock design provides a secure connection and helps prevent accidental disconnection during use. - Easy to install and use Simply twist the adapter into the 30 A female receptacle for a snug, dependable fit. - Practical and durable A straightforward solution for RV owners to access power from a 15 A source when a 30 A twist-lock is required. Use scenarios - At campgrounds with only 15 A outlets, power your RV by connecting its 30 A twist-lock inlet through this adapter. - When using a portable generator that provides 15 A, run power to a 30 A twist-lock RV inlet with this adapter. - In temporary setups where a 30 A twist-lock receptacle is available but the power source is 15 A, this adapter enables the connection.