Type names (What do the type names mean for the VS ballasts?)
- L Standard ballast for fluorescent lamps
- LN Low-loss ballast for fluorescent lamps
- SL Ballasts for a special voltage (combination of transformer and ballast)
- NAH Ballast for sodium vapour lamps
- J Ballast for metal halide lamps
- Q Ballast for mercury lamps
- NA Ballast for low pressure sodium vapour lamps
- STR Magnetic transformer for low-voltage lamps