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General

RCD Tripping
General How to Technical Guides Testing & Inspecting

RCD Tripping

Byprocertssoftware 21/11/202109/04/2025

RCD Tripping Faults. Here we look at the possible causes and solutions for tripping RCD’s.

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Temporary Electrics BS7909 or BS7671
BS 7909 General News Testing & Inspecting

Temporary Electrical Systems

Byprocertssoftware 03/09/202126/04/2025

Temporary Electrical Systems and Temporary Electrical Installations, what is the difference, BS 7909 or BS 7671?

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Electrical Contractor App
General

Top 5 Apps for Electricians

Byprocertssoftware 27/05/202102/04/2025

The top 5 must have electrical apps for electricians in 2021.

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Rental Property Interim Inspection Software
General News Technical Guides Testing & Inspecting

A Landlords Guide to Electrical Safety

Byprocertssoftware 07/11/202009/04/2025

Guidance on private rented accommodation requirements and regular interim electrical inspections.

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Best apps for electricians
General

Best Electrical Apps for 2020

Byprocertssoftware 07/05/202014/05/2025

Check out our most popular electrical apps for electricians. Here we list our top 4 electrical apps.

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MCCB Zs Values
BS 7671 General

MCCB Max Zs Values

Byprocertssoftware 13/09/201928/03/2025

Maximum earth loop impedance values (Zs) for BS EN 60947-2 MCCB’s vary between manufactures. Find the correct chart with the Max Zs Values app.

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60942-7 Max Zs Tables
BS 7671 General

60947-2 Max Zs Charts

Byprocertssoftware 13/08/201926/05/2025

Print or download max Zs tables for BS EN 60947-2 protective devices with the max zs values app.

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Surge Protection Types
BS 7671 General Technical Guides

SPD Surge Protection Devices – Types & Uses

Byprocertssoftware 18/01/201902/04/2025

Discover the types of SPD’s and the application of surge protection devices.

Read More SPD Surge Protection Devices – Types & UsesContinue

Surge Protection Types
BS 7671 General

Electrical Charts BS 7671

Byprocertssoftware 12/12/201826/05/2025

Print electrical charts directly from an app, the new impending 2019 free update of the Electrical Tools & Reference app will include new updated electrical charts with a new print function to enable you to print the BS 7671 electrical charts and guides straight from your iPad, iPhone or Android device. Along with the print…

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18th Edition Amendment 1
BS 7671 General

BS 7671 Wiring Regulations History

Byprocertssoftware 06/07/201803/04/2025

BS 7671 history and publication dates of all previous versions of the wiring regulations starting in 1882.

Read More BS 7671 Wiring Regulations HistoryContinue

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