Darren Crannis, ECA Technical Manager, looks at protective earthing systems and unravels the difference between PME and PNB. The distinctions between TN-C-S earthing variants, Protective Multiple Earthing (PME) and Protective Neutral Bonding (PNB), often lead to confusion. Despite both falling under the TN-C-S category, they diverge significantly, impacting design considerations and inspection outcomes. Here we ...

The post Protective Earthing Systems: What’s the difference between PME and PNB? | ECA appeared first on Professional Electrician.

The column where you get to put your lighting questions to the head of the Ovia lighting business, Mike Collins, and his team of technical experts. Q. What makes your products (or one product in particular) easy to install? The timing of this question is spot on as we’ve just launched our next tranche of ...

The post Ask Ovia: what makes the Inceptor Milli downlight easy to install? appeared first on Professional Electrician.

Working on your own? Need some technical advice? Don’t know where to turn? The technical team at Megger answers the latest technical query from end users. YOU ASK: I’VE JUST LANDED A GREAT CONTRACT TO CARRY OUT REGULAR TESTING FOR AN INDUSTRIAL CLIENT. THE ONLY PROBLEM IS THAT THEY WANT PI MEASUREMENTS FOR ALL OF ...

The post Made 2 Measure: How can I cut down the testing time for PI measurements? | Megger appeared first on Professional Electrician.

In this regular column, Dr. Tom Brookes answers your questions related to fire safety. In this month’s edition he looks at the qualification requirements to enable entry on to industry schemes. Q. BAFE has changed the criteria for the competence of engineers for fire alarm engineers and technicians. Does that mean I must undertake the ...

The post Dr Zzeus Q&A: What are the qualification requirements that enable entry on to the SP 203-1 scheme? appeared first on Professional Electrician.

Steve Humphreys, Technical Commercial Manager at NAPIT, throws light on the battle to use self-generated green energy. With the continuing rise in energy costs, consumers are looking at ways to mitigate against rising bills and recoup some benefits through renewable technologies. Solar PV systems have been on the market for many years with homes fitted ...

The post What are the benefits of Electrical Energy Storage Systems? | NAPIT appeared first on Professional Electrician.

Michael Coupland of Aico offers advice to ensure you’re not caught off-guard in the future. Even if you’re familiar with BS 7671 and the electrical wiring regulations, you might be missing a crucial detail lurking within its pages. This seemingly innocuous line tucked away at the back holds major implications for electricians – and your ...

The post Smoke alarm installations: The hidden requirement in BS 7671 | Aico appeared first on Professional Electrician.

The technical team at Enkin explore single-phase and three-phase power supplies and define the key features that set the two apart. Single-phase and three-phase power supplies each have roles that they perform best, and the two are notably quite different from one another in terms of power delivery. In this article, we aim to outline ...

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Natasha King, Product Manager at Vent-Axia, explains more about the requirements of the amended Approved Document Part F and how electricians can meet them. Amended Approved Document Part F (Means of Ventilation) of the Building Regulations is seen as a vital step to improve indoor air quality (IAQ) as we head towards the Future Homes ...

The post The amended Approved Document Part F: how can electricians meet the new requirements? | Vent-Axia appeared first on Professional Electrician.

This article looks at Chapter 82 of BS 7671 and embedded renewable sources, either used in conjunction with the existing supply for an installation or as an alternative and independent source of electrical energy forming a prosumer’s low-voltage electrical installation (PEI). Many consumers have been moving towards energy saving measures over the past few years, ...

The post Prosumer’s low-voltage electrical installation (PEI) | NICEIC appeared first on Professional Electrician.

The team at ROBUS offers advice on how electricians and electrical professionals should respond to the age-old conundrum of how long LEDs really last. The question around the length of time that LEDs will last is one that you will almost certainly be asked – whether it comes from a client, a colleague, an apprentice, ...

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