| BASE DIAMETER | 4.500 INCHES NOMINAL |
| BASE HEIGHT | 0.750 INCHES NOMINAL |
| FIRST CAP HEIGHT | 1.250 INCHES NOMINAL |
| FIRST HOLE SPACING | 1.250 INCHES NOMINAL |
| FLANGE THICKNESS | 0.750 INCHES NOMINAL |
| IDENTIFICATION CODE COLOR | WHITE |
| OVERALL WIDTH | 4.500 INCHES NOMINAL |
| MATERIAL | ALUMINUM MOUNTING BASE |
| MATERIAL | BRONZE SHIELD |
| MATERIAL | PORCELAIN OVERALL |
| MOUNTING BOLT CIRCLE DIAMETER | 3.750 INCHES NOMINAL |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE(S) |
| MOUNTING HOLE DIAMETER | 0.281 INCHES NOMINAL |
| OVERALL HEIGHT | 6.000 INCHES NOMINAL |
| SCREW THREAD DIAMETER AND LOCATION | 0.312 ELECTRICAL TERMINATION INCHES NOMINAL |
| SCREW THREAD QUANTITY PER INCH AND LOCATION | 18 ELECTRICAL TERMINATION |
| STYLE DESIGNATOR | METAL BASE |
| THREAD CLASS AND LOCATION | 2B ELECTRICAL TERMINATION |
| THREAD LENGTH | 0.625 INCHES NOMINAL |
| THREAD LOCATION | CAP |
| TOP DIAMETER | 2.750 INCHES NOMINAL |