Scope
This standard specifies the model, specifications, materials, dimensions, mechanical properties, electrical properties, delivery requirements, and packaging of electrical copper wires. This standard is applicable to the manufacturing of round copper wires for wires, cables, and motor appliances
Normative reference documents
The clauses in the following documents become the clauses of this standard through reference.
. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. The latest version of any undated reference document v is applicable to this standard GB/T 3048.2-2007 Electrical Performance Test Methods for Electric Wires and Cables, Part 2; Electrical resistivity test for metallic conductor materials (IEC 60468: 1974, MOD)GB/T 3952-2008 Copper wire blanks for electrical purposes
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