This international standard relates to the safety of household and similar electrical appliances. The rated voltage of single-phase electrical appliances does not exceed 250 V, and the rated voltage of other electrical appliances does not exceed 480 V. Note: Battery powered equipment and other DC power supply devices fall within the scope of this standard. When operating in battery mode, dual power supply devices (main power supply or battery powered
) are considered battery powered equipment
UL Directive 60335-1 on household appliances specifies in detail:
1. To the extent feasible, this standard covers the common hazards caused by appliances encountered by all people inside and outside the household. Generally speaking, it does not take into account
a. People (including children) B. Physical, sensory, or psychological abilities C. Lack of experience and knowledge
2. Instruments specifically designed for industrial use:
(1) Instruments designed for use in special situations, such as those containing corrosive or explosive gases (dust, vapor, or gas) (2) Audio, video, and similar electronic devices (IEC 60065) (3) Medical equipment (IEC 60601)
(4) Handheld electric tools (IEC 60745)
(5) Personal computers and similar devices (IEC 60950-1)
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