Technical
  • 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 ...

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  • Circuit-Breaker Standards – What’s The Difference?

    NAPIT’s Don Holmes looks at the two different circuit-breaker standards, and provides clarification on th ...

    NAPIT’s Don Holmes looks at the two different circuit-breaker standards, and provides clarification on the differences between them.                        Two standards that specify requirements for ...

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  • NAPIT Codebreakers #8

    Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the 18th Edition ...

    Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the 18th Edition Codebreakers publication, answer your latest coding queries. JOHN COLLINS: I came across this w ...

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  • Installation Of Electric Heating Cables

    This article from the NICEIC looks at the requirements and considerations for a contractor when installin ...

    This article from the NICEIC looks at the requirements and considerations for a contractor when installing electric heating cables and systems within walls, floors and ceilings located within domestic ...

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  • Common Query: Low Level Dimming Issues

    A common question that contractors ask when it comes to LED dimming controls is: ‘why is dimming at low l ...

    A common question that contractors ask when it comes to LED dimming controls is: ‘why is dimming at low levels causing me more issues than large loads?’ Cue Zano’s technical support team for the answe ...

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  • NAPIT Codebreakers #7

    Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the brand new 18t ...

    Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the brand new 18th Edition Codebreakers publication, answer your latest coding queries. MORDECAI DANISA: Was ask ...

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  • NAPIT Codebreakers #6

    Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the brand new 18t ...

    Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the brand new 18th Edition Codebreakers publication, answer your latest coding queries. RICHARD STENNER: Thought ...

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  • NAPIT Codebreakers #5

    Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the brand new 18t ...

    Need help with cracking those EICR codes? The technical team at NAPIT, with the help of the brand new 18th Edition Codebreakers publication, answer your latest coding queries. Danny Harmsworth: Here w ...

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  • Co-Ordination between Conductors and Overload Protective Devices

    The team at Elecsa offer their technical support regarding the co-ordination between the conductors of a ...

    The team at Elecsa offer their technical support regarding the co-ordination between the conductors of a circuit and an overload protective device. At first sight, many electricians may find the requi ...

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  • Made2Measure: How To Measure Earth Leakage Currents

    Q: I’ve just taken my City & Guilds 18th Edition exam and I noticed that the section on unwanted trip ...

    Q: I’ve just taken my City & Guilds 18th Edition exam and I noticed that the section on unwanted tripping of RCDs (531.3.2) says that I’ll sometimes need to measure earth leakage currents. How do ...

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