Ballast Replacement Chart
| OBSOLETE | REPLACEMENT |
| (1) F40T12 AND (1) F40T12/U | |
| 410LTCP | B134R120M-A, B140R120HP, B140R277HP, B240R120HP, B240R277HP, B234SR277M-A |
| 412LSLHTCP | STILL AVAILABLE |
| 417LTCP | B134R120M-A, B140R120HP, B140R277HP, B240R120HP, B240R277HP, B234SR277M-A |
| 458LSLHTCP | STILL AVAILABLE |
| W650LTCP | B234SR120/277M-A000I--SUPPLY YOUR OWN WP ENCLOSURE |
| W659TCP | SUPPLY AN ENCLOSURE---B134R120M-A, B140R120HP, B140R277HP, B240R120HP, B240R277HP, B234SR277M-A |
| 2 F40T12 OR 2 F40T12/U RAPID START | |
| 443LSLHTCP | B134SR120/277M-A, B140R120/277HP, B240R120/277HP, B234SR277HP, B340SR120/277HP |
| 446LSLHTCP | B134SR120/277M-A, B140R120/277HP, B240R120/277HP, B234SR277HP, B340SR120/277HP |
| 439LTCP | B134SR120/277M-A, B140R120/277HP, B240R120/277HP, B234SR277HP, B340SR120/277HP |
| W589DTCP | NO LONGER OFFEREED |
| W590DTCP | NO LONGER OFFEREED |
| 730LTCP | B134SR120/277M-A, B140R120/277HP, B240R120/277HP, B234SR277HP, B340SR120/277HP |
| 737LRSLH | B134SR120/277M-A, B140R120/277HP, B240R120/277HP, B234SR277HP, B340SR120/277HP |
| 420LTCP | B134SR120/277M-A, B140R120/277HP, B240R120/277HP, B234SR277HP, B340SR120/277HP |
| 427LTCP | B134SR120/277M-A, B140R120/277HP, B240R120/277HP, B234SR277HP, B340SR120/277HP |
| 530LTCP | B134SR120/277M-A, B140R120/277HP, B240R120/277HP, B234SR277HP, B340SR120/277HP |
| 537LTCP | B134SR120/277M-A, B140R120/277HP, B240R120/277HP, B234SR277HP, B340SR120/277HP |
| (2) F96T12 INSTANT START | |
| 806SLHTCP | B260120/277, B260IUNVHP |
| 827SLHTCP | B260120/277, B260IUNVHP |
| (2) F96T12/HO | |
| 480XLHTCP | B29524120HP, B295SR277HP, B295SRUNVHP, |
| 487XLHTCP | B29524120HP, B295SR277HP, B295SRUNVHP, |
| WPR480XLHR | B29524120HP, B295SR277HP, B295SRUNVHP, |