NEN 3140

In order to work safely on or near low-voltage electrical installations, you must know the procedures and be able to estimate risks. The NEN 3140 standard is a method to manage this systematically. The NEN 3140 certificate proves that you are able to work on electrical installations in a responsible way. Nowadays, many clients make the NEN 3140 certification mandatory when writing assignments. The NEN 3140 certificate has therefore become a must.

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