Adapters help you plug your JuiceBox in anywhere! All variants have 1 FT cables between input and output, and are good for temporary outdoor use.
Regular Dryer (NEMA 10-30)
Plug into common dryer outlets! - standard 3 prong 30 amp plugs.
New Dryer (NEMA 14-30)
Plug into newer dryer outlets! - 4 prong 30 amp plugs.
PS. Quick reference table for plug-socket ID: