The importance of earth loop impedance testing in NZ

By | July 9th, 2021|Categories: Earth loop impedance testing, Jim's Test & Tag NZ|Tags: |

It’s essential that you know you have done all you can to make your premises as safe and secure as possible. Do you know all the ins and outs of what needs to be checked and how to do it? Just how important is something like earth loop impedance testing?