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Technical Guides

Electrical technical guides for guidance on electrical regulations and best practices from BS 7671, BS 7909, BS 5839-6, building regulations and many more technical sources.

Electrical technical guidance on all things electrical from BS 7671 (BS7671), BS 7909 (BS7909), BS 5839 (BS5839), BS 5839-6, (BS5839-6).

Subjects include: IP ratings, EICR’s, cooker switches and cookers, sockets and sinks, temporary electrical installations and systems, landlord interim electrical visual inspections, event power, coding of EICR observations and many many more….

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Sockets in kitchen cabinets.
General Technical Guides

Sockets Inside Kitchen Cabinets

Byprocertssoftware 25/03/202226/05/2025

Are sockets and spurs in permitted inside a kitchen cupboard? Yes, but only if certain conditions are met, read more to find out what those conditions are.

Read More Sockets Inside Kitchen CabinetsContinue

Sockets in a Bathroom
BS 7671 Technical Guides

Socket in a Bathroom

Byprocertssoftware 19/03/202227/03/2025

Are sockets in bathrooms permitted or not? Read more to find out if a socket is permitted in a bathroom.

Read More Socket in a BathroomContinue

Spurs in a Bathroom
BS 7671 General Technical Guides

Spurs in Bathrooms

Byprocertssoftware 10/03/202214/05/2025

Are spurs in bathrooms permitted? Yes, but only if certain conditions are met, read more to find out what those conditions are.

Read More Spurs in BathroomsContinue

Wiring Colour Codes
General Technical Guides

Wiring Colours

Byprocertssoftware 09/03/202226/05/2025

Electrical wiring colours for common AC mains electrical wiring colours by country, UK, USA, CANADA, EU, SOUTH AFRICA, INDONESIA, AUSTRALIA, NEW ZEALAND, CHINA, BRASIL, INDIA …

Read More Wiring ColoursContinue

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.

Read More RCD TrippingContinue

Lights Flickering
Technical Guides

Lights Flickering in House

Byprocertssoftware 13/09/202109/04/2025

Here we look at the possible causes and solutions to flickering lights, flickering lights can be caused by a number of factors.

Read More Lights Flickering in HouseContinue

Grade D Fire Alarm Guide
BS 5839-6 Technical Guides

Grade D Fire Alarm Systems Guide

Byprocertssoftware 26/07/202109/04/2025

Grade D Fire Detection Systems, the ultimate guide to Grade D Fire Alarm Systems in domestic properties.

Read More Grade D Fire Alarm Systems GuideContinue

Maximum demand diversity
BS 7671 How to Technical Guides

How to calculate diversity and maximum demand

Byprocertssoftware 21/04/202128/05/2025

Diversity Calculator App. How to calculate total connected load, apply diversity and calculate the maximum demand, with examples. Download for iOS & Android.

Read More How to calculate diversity and maximum demandContinue

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.

Read More A Landlords Guide to Electrical SafetyContinue

Cooker Switch Behind Oven
BS 7671 Technical Guides

Cooker Switch Distance from a Hob or Cooker

Byprocertssoftware 26/07/202026/05/2025

Guidance on the minimum distances electrical accessories such as sockets and switches can be installed from an oven, hob or free standing cooker.

Read More Cooker Switch Distance from a Hob or CookerContinue

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