English: L21-30-P, 208Y/120V plug Credits from en.wikipedia.org: I took this picture of an L21–30P that goes to our portable breaker panel for our brainwave...
File:L21-30plug_proc_small.jpg licensed with Cc-by-sa-3.0-migrated-with-disclaimers, GFDL-en 2005-09-07T09:43:35Z Guam 1024x613 (74412 Bytes) L21-30-P...
Aliprandi - Apriti Standard !, Ledizioni, 2010 (page 22 crop).jpg...
