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See Chinese contents: GB/T 33579-2017 GB/T 33579-2017: Safety of machinery -- Control methods of hazardous energy -- Lockout/Tagout
This standard specifies requirements for the control of hazardous energy that may cause personal injury. This standard also specifies the protection steps, technology, design, methods, performance indicators for controlling the accidental release of hazardous energy 1), so as to avoid personal injury. This standard applies to the design, manufacturing, installation, construction, repair, adjustment, inspection, dredging, setting, fault finding, testing, cleaning, disassembly, service, maintenance during the entire life cycle of the machine. This standard does not apply to service or maintenance work on electrical equipment, that is connected to the power supply by wires and plugs, AND where the plugging and unplugging of the power plug is only under the personal control of the service or maintenance personnel. In this case, unplugging the power cord may control the possible injury, which is caused by accidentally energizing or accidentally starting the machine. This standard also does not apply to pressure pipeline transmission and distribution systems involving water, steam, natural gas or petroleum products.
