| 24HY | 76655 | PORTER H K CO INC ELECTRICAL DIV AMBRIDGE WORKS |
| 403 | 90759 | NI INDUSTRIES INC BOWERS MFG CO DIV |
| 52C13 | 56501 | ABB INSTALLATION PRODUCTS INC |
| 772 | 28488 | RACO, A DIVISION OF HUBBELL INCORPORATED(DELAWARE) |
| 8468A | 03743 | EGS ELECTRICAL GROUP APPLETON DIV |
| FEDSTD128TYPEVIIISIZ | 06542 | FEDERAL STANDARDS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| QK417 | 49956 | RAYTHEON COMPANY |
| QK417 | 94144 | RAYTHEON COMPANY |
| WJ800 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |