Testing unit for switches, sockets, and circuit breakers:
Material name
Main testing items
Sampling method and quantity
Plugs and sockets for household and similar places
Signs, anti electric shock protection, grounding measures, moisture resistance, insulation resistance, electrical strength, breaking capacity, normal operation, insertion and extraction force, mechanical strength, creepage distance
The same manufacturer, same raw material, and same process, Continuous production of the same specification is considered as one batch. The batch size is determined by the production factory based on production volume or production cycle Randomly sample 6 animalsLighting switches for homes and similar places
Signs, anti electric shock protection, moisture resistance, insulation resistance, electrical strength, making and breaking capacity, normal operation, mechanical strength, creepage distance, electrical clearance
The same manufacturer, same material, same process, and continuous production of the same specification are considered as one batch.
. The batch size is determined by the production factory based on production volume or timeCircuit breakers for household and similar purposes
Residual operating current, electrical clearance, creepage distance, anti electric shock protection, electrical strength, insulation resistance, tripping performance, heat resistance
The same manufacturer, same material, same process, and continuous production of the same specification are considered as one batch.
. The batch size is determined by the production factory based on production volume or production cycleDistribution box
Wall thickness, external dimensions, residual operating current, electrical clearance, creepage distance, anti electric shock protection, electrical strength, insulation resistance, tripping performance, heat resistance
has been assembled according to the design, and randomly sampled from the same brand and batch, with a quantity of 3. Multi story buildings will be inspected at 10% of their total circuit, and high-rise and small high-rise buildings will be inspected at 5% of their total circuit.
. (Residential buildings are not measured by circuit, but by households)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