Four functions of lighting fixtures

The lamp has the following functions: first, fix the bulb and let the current flow safely through the bulb. For a gas discharge lamp, the lamp is usually provided with a ballast and a power factor compensation capacitor and an electronic trigger. Second, provide mechanical protection to the control device of bulb and bulb. Support all fittings and connect with the building structure. Third, to control the degree of light emitted by the bulb, the need to achieve the distribution of light, to prevent direct glare. Fourth, to ensure the safety of lighting, such as explosion-proof.