TT-30P to TT-30PIt is special use adapter cord.
Use when you need connect your generator of TT-30 receptacle to equipment with the order TT-30 receptacle.
It is not recommended by electircians, becauseof it is very easy to touch the terminal with power.
If you followed the right steps, it can be done safely.
Waht is right steps?
1. Turn off your main breaker.
2. Pulgin all the plug to connctor in both of two side.
3. Make sure first one step is complete.
4. Turn on your generator.
5. Don't pull any plugs out when generator working.
6. Turn off your generator when you don't want to use them.
7. Pull out the plug.