There are three main types of LED tube on the market today: – Those that work on direct mains supply – Those that work on switch start ballasts or chokes…

  The typical metal halide ballast only has one terminal for the live, one for the neutral and one for the earth.  This is fine if there is a single…

Trying to wire a ballast up with fewer terminals than the existing one? It can look confusing but it really isn’t too bad when you know how… use our downloadable…