| 690-20 | 72041 | COOPER WIRING DEVICES INC. |
| 94020 | 73545 | CABLE ELECTRIC PRODUCTS INC |
| GE3765-20 | 41326 | GENERAL ELECTRIC CO WIRING DEVICE DEPT |
| CP-20 | 72076 | FEDERAL PACIFIC ELECTRIC CO ECONOMY FUSE DIV |
| F14A125V20A | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS90087-8 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| W20 | 71400 | COOPER BUSSMANN, LLC |
| W20 | 75582 | LEVITON MANUFACTURING CO., INC. |
| WF791 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| WF791-1-010 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| P20 | 83089 | CEFCO/ENGLISH ELECTRIC OF N Y INC |