T8 - T5 Retrofit Lamps T8 -SINGLE END POWER - TYPE B BALLAST BYPASS 120-277V T8 -SINGLE END POWER - TYPE B BALLAST BYPASS 120-277V T8 - DOUBLE END POWER - TYPE B BALLAST BYPASS 120-277V T8 - DOUBLE END POWER - TYPE B BALLAST BYPASS 120-277V T8 - DOUBLE END POWER - TYPE A INSTANT START BALLAST COMPATIBLE ONLY T8 - DOUBLE END POWER - TYPE A INSTANT START BALLAST COMPATIBLE ONLY