electric strength test

clause 19 | clause 29

A question about functional insulation requirements at the ends of a current fuse
Byforest December 17, 2024December 17, 2024

The following circuit diagram The current fuse in position F1 is usually connected in series with the line.The photos of the real thing are shown in the following two pictures, the left one is not labeled, the right one shows the location of the current fuse and some other basic information. In the diagram above,…

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clause 21

A question about whether the second part of clause 21.2 needs to be tested.
Byforest December 4, 2024December 4, 2024

We know that clause 29.3.2 and clause 21.2 are two separate clauses and they are not very much related, which means that the product being assessed needs to fulfill both clauses if applicable.A reinforced insulation system consisting of three separate layers of insulating material or what could be considered a double insulation system, Each layer…

Read More A question about whether the second part of clause 21.2 needs to be tested.