... ballast for T5 or T8 fluorescent lamp 1x14, 2x14, 1x18, 2x18, 1x28, 2x28, 1x36, 2x36... Electronic ballast for T5 or T8 fluorescent lamp ... 1x14, 2x14, 1x18, 2x18, 1x28, 2x28, 1x36, 2x36... Description Materials: Copper wire or aluminum & copper wire or ... , over voltage, anti-lightning and abnormal lamp protection. Good electromagnetic compatibility, with heat, ...