Jul 29, 2025

Wiring Wisdom Series

⚡ Wiring Wisdom Series: #1 to #3

Building a Safer Industry — One Section at a Time

At TDMI Training and Nearby Electrician, we believe that knowledge is power — especially when it comes to safety and compliance in the electrical industry. That’s why we launched the Wiring Wisdom series: a daily breakdown of the SANS 10142-1:2024 (Edition 3.2) wiring code — simplified, structured, and shared in plain language.

In this first website edition, we recap Wiring Wisdom #1 through #3 to lay the foundation for safe and compliant installations.

🔹 Wiring Wisdom #1: Scope

Every rule starts with a boundary. Section 1 of the code explains where the SANS 10142-1 applies, and just as importantly, where it does not.

This section defines:

The types of installations covered (from domestic dwellings to solar and industrial sites),
Voltages included (AC/DC, extra-low to high),
Exclusions such as mines, vehicles, and aircraft.

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🔹 Wiring Wisdom #2: Normative References

Section 2 shows us that SANS 10142 doesn’t stand alone. It depends on a network of other SANS standards, each supporting specific technical or safety elements.

This includes references to:

SANS 1019 (graphical symbols),
SANS 60079 (explosive atmospheres),
And many more covering wiring, switching, surge protection, and conductor sizing.

Understanding these references is key to full compliance.

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🔹 Wiring Wisdom #3: Definitions

Before you can comply, you must understand the language of the code. Section 3 lays out critical terms like:

Protective conductor,
Distribution board,
Fault current,
Prosumer’s installation.

These definitions are not just for theory — they affect how the rest of the standard is applied in practice.

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🚀 What’s Next?

We’ll continue this journey one section at a time — daily — with each post bringing clarity, confidence, and compliance to your electrical work.

Follow us every day on Facebook or check back here for grouped summaries. And if you’re ready to take your knowledge to the next level, get in touch with TDMI Training — empowering electricians, illuminating futures.