This standard specifies the structure, requirements, test methods, inspection rules, markings, packaging, etc. of copper core halogen-free flame-retardant polyethylene insulated halogen-free flame-retardant polyethylene sheathed end cables (hereinafter referred to as cables). This standard is applicable to the manufacturing, use, and acceptance of cables. Cables are mainly used to connect communication cables into the local area to the main distribution frame, and are also suitable for connecting external distribution cables to branching equipment. This type of cable should not be extended into pipelines or soil. On the user's side, a short section can be extended outdoors for wall hanging or overhead installation. 2. The provisions contained in the following standards constitute the provisions of this standard by reference in this standard. At the time of publication of this standard, all versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB 3953-83 Electrical Round Copper Wire GB 4005-83 Wire and Cable Delivery Tray GB 490985 Test Methods for Bare Wire GB 4910-85 Tinned Round Copper Wire GB 6995-86 Identification Marks for Wire and Cable GB 11327.1-89 General Test and Measurement Methods for PVC Insulated and PVC Sheathed Low Frequency Communication Cable Wire GB12666-90 Flame Test Method for Wire and Cable YD/T 723-94 Metal Plastic Composite Tape for Communication Cable and Optical Cable YD/T 837-96 Copper Core Polyene Insulated Aluminum Test method for plastic composite sheathed urban communication cables
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