Markslöjd has a policy to test and certify all products. First and foremost used Semko and Nemko that laboratory. Each component of a luminaire shall comply with their demands for material, thermal requirements, aging requirements, etc. Although the components are approved separately (eg, all holders and cords).
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- Class I means that the fixture should be connected to a grounded outlet.
- Class II means that the sensor is "double insulated" and must not be grounded.
- Class III means the luminaire is equipped with a transformer that is not enclosed.
The transformer is therefore to disconnect and replace.
Anges enligt formeln IP XY, där X ersätts med en siffra som anger skyddet mot
inträngande "fasta föremål" (fingrar, damm etc), och Y ersätts med en siffra som anger skyddet mot inträngande vatten.
Ju högre siffra desto bättre skydd.
See more info at Electrical Safety Board's website.
