37 Installation, repair, and replacement of LED lamps, including LED tube lamps having elongated tube shapes and which can replace fluorescent tube lamps, in light fixtures and sockets; installation, repair, and replacement of electric lighting devices using light emitting diodes (LEDs) as a light source; installing, repairing, and replacing LED lighting for buildings for commercial, industrial, residential and architectural purposes, and for use in tunnels and underpasses; installing, repairing, and replacing LED light assemblies and modular systems including LED lighting systems, LED modules, power supplies, and wiring; lighting device installation, replacement, and repair, specifically for LED lights and LED tube lamps, by using ballast bypass