Earth Loop Impedance Archives

What are the hidden risks that can be associated with safe isolation when carrying out live testing of Ze, PFC and PFCC?

|Date: 28 April, 2025

What are the hidden risks that can be associated with safe isolation when carrying out live testing of Ze, PFC and PFCC?

Damion Evans, owner of Ex Forces Electrician, shares his thoughts on some of the hidden dangers that can ...

Damion Evans, owner of Ex Forces Electrician, shares his thoughts on some of the hidden dangers that can be associated with safe isolation when carrying out live testing of Ze, PFC and PFCC. Before I ...

28 April, 2025
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Determining Zs for a lighting circuit

|Date: 3 February, 2020

Determining Zs for a lighting circuit

The team at NICEIC offer their technical support. The aim of this article is to explain why it is necessa ...

The team at NICEIC offer their technical support. The aim of this article is to explain why it is necessary to determine the value of earth fault loop impedance, and considers the different options av ...

3 February, 2020
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Which Maximum Earth Fault Loop Impedance Values Should You Use?

|Date: 18 July, 2019

Which Maximum Earth Fault Loop Impedance Values Should You Use?

NAPIT’s Don Holmes provides us with more essential technical information. ...

NAPIT’s Don Holmes provides us with more essential technical information. The maximum earth fault loop impedance values (Zs) in BS 7671 – or the equivalent tables in th ...

18 July, 2019
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