List Of electrical inspection contractors - Repair & Service Forums - There are numerous possible influences on a lighting solution. Changing the lamp type is a conventional process. Lamps define the light color, color rendering index, luminous flux (light output or brightness) and installed load. The invention of the CFL lamp in the 90’s allowed users to save energy by replacing their energy consuming incandescent lamps. How to choose LED lamps. The replacement of lamps in an existing lighting system is connected to a lot of doubts when concerning the replacement of the lamp type. A lot of labels and graphics on the products packages show the replacing types. Changing the lamp is changing the most important factor, the lighting quality. Buying Guide on products, parts and accessories for industrial products, low voltage wiring, code compliance, inspections, troubleshooting ..More