Core contents of the standard: First, design requirements, clarifying the design principles, illuminance requirements, uniformity requirements and lamp layout requirements of elevator shaft lighting; Second, installation requirements, stipulating the installation position, installation height, wiring requirements and grounding requirements of elevator shaft lighting fixtures; Third, emergency lighting requirements, clarifying the power supply requirements, duration and illuminance requirements of elevator shaft emergency lighting; Fourth, inspection methods, unifying the inspection methods and test equipment requirements for various performance indicators of elevator shaft lighting; Fifth, maintenance requirements, stipulating the daily inspection, regular maintenance and fault handling requirements of elevator shaft lighting.