The grounding device should be constructed according to the grounding materials, specifications, and methods determined in the design drawings. The installation of special grounding materials should be carried out in accordance with the technical documents of the manufacturer
The following metal parts of electrical equipment should be grounded or grounded to zero:
1 Metal bases and shells for motors, transformers, electrical appliances, etc 2. Transmission device of electrical equipment 3. Metal or reinforced concrete structures for indoor and outdoor power distribution devices, as well as metal barriers and metal doors near live parts 4. Metal frames and bases for power distribution, control, and protection screens (cabinets, boxes), operation consoles, and columns 5
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