lamp designations

TC-S
Tube Compact-Single
TC-SEL
Tube Compact-Single Electronic
TC-D
Tube Compact-Double
TC-DEL
Tube Compact-Double Electronic
TC-T
Tube Compact-Triple
TC-TEL
Tube Compact-Triple Electronic
TC-Q
Tube Compact-Quad
TC-QEL
Tube Compact-Quad Electronic
TC-DD
Tube Compact-Double D-Shape
TC-L
Tube Compact-Long
TC-F
Tube Compact-Flat
T2 (T7)
Tube Ø 2/8" (7 mm)
T5 (T16)
Tube Ø 5/8" (16 mm)
T8 (T26)
Tube Ø 8/8" (26 mm)
T12 (T38)
Tube Ø 12/8" (38 mm)
T-U
Tube U-Shape
T-R
Tube Ring-Shape
T-R5 (T-R16)
Tube Ring-Shape Ø 5/8" (16 mm)