This standard specifies the items, cycles, and requirements for preventive testing of tools, devices, and equipment for live working, in order to determine whether the tools, devices, and equipment meet the conditions of use, prevent their damage, and ensure the safety of personnel and equipment during live working. This standard applies to tools, devices, and equipment used for live working in AC and DC power systems. This standard does not apply to tools, devices, and equipment used for live working in special environments. The relevant technical parameters of this standard are applicable to areas with an altitude of 1000m and below; In areas with an altitude of over 1000m, relevant parameters should undergo altitude correction. 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 2900.55 Electrotechnical Terminology for Live Working GB/T 38043.6kV -40.5kV High Voltage AC Load Switches GB/T 11022 Common Technical Requirements for High Voltage Switchgear and Control Equipment Standards GB/T 14286 Live Working Tools and Equipment Terminology GB/T 16927.1 High Voltage Test Techniques Part 1: General Test Requirements DL/T 740 Capacitive Tester DLT971 Portable Nuclear Phase Meter for Live Working
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China