IronBox Electric - NEMA L14-30P to L6-20R Plug Adapter Cord - Rated for 20A, 250V - 12/3 AWG Wire - Power Cable for Generators, RV, Electrical Equipment - Ideal for Indoor/Outdoor Use (1 Foot, Build)

Nice pre-made adapter cable. Obviously this is a very specific item so if this adapter has the right connectors for you then it should serve you well. The connectors are Powertronics Connections plugs and receptacles, which are also available on Amazon and are good inexpensive connectors.

Quick ship worked

Great adapter for generator to L5 20 plugs

Received it fast and functions perfectly. Thanks.

It does the job.