Essential Requirements and State of the Art

In addition to the standards the manufacturer must check the essential requirements of the directives and take into account the generally acknowledged state of the art for EMC and safety. Products, machinery, and components must be designed and manufactured in such a way that, when used under the conditions and intended purposes, they will not compromise the health and safety of persons or the environment. In selecting the most appropriate design solutions, the manufacturer shall apply the following principles in order of preference  

Inherently safe design. Eliminate or reduce risks as far as possible by construction. 

Guarding and safety components. When a inherently safety design is not possible, use proper protective measures such as guarding, safety components, alarms, in relation to risks that cannot be eliminated. 

Warnings and instructions. Inform users of residual risks due to shortcomings of design. This method is to be employed only as a last resort and when 1 or 2 is not possible. 

X Warnings may not take the place of a safe design. If a product or 

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