This standard specifies the general requirements, visual inspection, instrument testing, electrical fire hazard judgment methods, and result processing for electrical fire detection of power transformation and distribution devices, low-voltage distribution lines, lighting devices, and general low-voltage electrical equipment, grounding and equipotential bonding. This standard is applicable to electrical fire detection for power users with a voltage of 10kV and below. This standard is not applicable to the electrical fire detection of underground mines, explosive hazardous areas, as well as anti-static, lightning protection, and firefighting facilities. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 14549 Quality of Electric Energy - Harmonics in Public Power Grids GB/T 18379-2001 Voltage Range of Electrical Installations in Buildings [IEC 60449] GB 4706.17 Safety of Household and Similar Electrical Appliances - Special Requirements for Electric Motors and Compressors [IEC 60335-2-34] GB 50303-2002 Code for Acceptance of Construction Quality of Building Electrical Engineering - Basic Requirements 3.1 Electrical installations and equipment must comply with the requirements of the current national technical standards and must have certificates of conformity and inspection (testing) certificates. 3.2 Products that implement production license or safety certification should also have a production license or safety certification mark. 3.3 Electrical fire detection should be carried out after electrical equipment and circuits have been running on load for more than 1 hour and have entered a normal thermal stable working state, with a temperature change rate of less than 1 ℃/h. 3.4 Electrical fire detection should not only comply with this standard, but also comply with the current national laws, regulations, and relevant standards
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