Testing advice
No matter how well you may have installed a system the final result comes down to testing, in this area of the Knowledge Centre we will provide a number of manufacturers guides on testing, the process, the equipment and correctly interpreting the results.
This guide by Megger gives a really good all-round view of testing:
https://www.lightning.gg/wp-content/uploads/2021/04/z.Getting-Down-to-Earth-Doc.pdf