Other manufacturers make fixtures compatible with the three tracks.
Low voltage fixtures use 12 volt power and require a transformer to convert the raw 120 volts to 12 volts.
Often, the transformer is in the fixture, Hazard said.
Some track lighting systems have the electrical connection in one end, which would produce a small hole, while others use the standard 4-inch round opening other ceiling fixtures use.
Track lighting fixtures are typically halogen, said Ladouceur.
Your fixtures may not be compatible with any other track.