... 3. Power switch for choice Lamp cord325.024A-Lamp cord with hi-low switch(3M,Φ=1.25mm)325.024C-Lamp ... cord only 10'(3M,Φ=1.25mm)325.020A-Lamp cord with hi-low switch(3M,Φ= ... 0.75mm) 325.020C-Lamp cord only 10'(3M,Φ=0.75mm)1. Made from good quality ... the heat lamp.3. Option between regular lamp cord or lamp cord with hi-low power switch for a energy conservation ...