By Gregg Kervill
Compliance with the Low Voltage Directive (LVD) is now crucial for CE marking. items can't depart your company with no it. This ebook presents crucial and informative examining for corporation administrators, engineers, designers and scholars designing, production or learning the layout of electric items coated by means of the Low Voltage Directive. not like many textbooks that provide normal tips purely this e-book offers illustrated examples of non-compliant items and indicates ideas. It additionally presents distinct tips notes to EN60950 - some of the most everyday harmonised criteria. Gregg Kervill is a world advisor on ecu laws and North American product protection criteria. His consumers comprise blue chip and Fortune 500 businesses in addition to executive firms. Gregg Kervill advises his consumers on self-declaration of the Low Voltage Directive. A consultant to LVD compliance for managers and engineers alike transparent, concise assistance via a legislative minefield crucial for corporations all over the place Europe
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Additional resources for Practical guide to the low voltage directive
Thermal controls are tested in accordance with section K of the standard. 3 Requires transformers, and isolating transformers to be tested in accordance with the requirement of annex C of the standard. 4 oflEC 65:1985. 5 Deals with interconnecting cables supplied with the equipment and including them within the full safety" requirements of this standard. 6 This details the selection of X-capacitors suitable for connection between phase conductors or phase and neutral of the primary mains supply.
True it is not from the LVD but if I was acting 26 Practical Guide to the Low Voltage Directive as expert witness for the prosecution that is one route that I would suggest. 9 Permanently fixing the fuse holder will prevent the user fitting a fuse. 9 Using non-conductive wire will prevent the purchaser from cutting the dummy plug off and fitting a real one. 9 Removing internal wiring will prevent anyone from transforming a potentially non-comphant equipment into a potentially lethal product. This analysis may be more than is strictly necessary within the current scope of the LVD - but it illustrates the considerations that we should make and document.
This leaves the possible argument: 1. The digital output was intended to be used with information technology and office equipment. 2. The relevant Harmonized Standard for the interface is E N 60950. 3. The designer failed to take note of this. 4. The designer had a dut3, of care not to place the operator at unnecessary, risk. 5. The designer was negligent and failed in that duty. 6. The manufacturer placed a non-compliant product upon the market. The reason for this laboured approach is to explain some of the considerations that we designers are now being faced with in our daily work.
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