Before installing led high bay , the necessary inspections shall be done. The following are the specific work that needs to be done during installation.1. LED high bay installation process: light fixture checking—lighting fixture assembling—installation—test run.2. Make sure LED Lights fixture and assembly are complete, no mechanical damage, deformation, disbanding or bulb explosion.3. Install the light fixture on the H-shaped steel purlin on the roof. Firstly check and make sure the installation place and then fix the light on it.4. The circuit should also be checked before installation. Make sure of lighting load, circuit service conditions and replace the aged circuit.