Troubleshooting Common Electrical Issues: A Handy Guide for Electricians

As an electrician, you’re often called in to solve a range of electrical problems. From flickering lights to tripped circuits, these issues can be frustrating for your clients and sometimes difficult to find. This quick guide aims to provide you with practical tips and techniques for troubleshooting common electrical issues, ensuring you can diagnose and … Read more

“Wired for Success: A Deep Dive into the Foundations of Electrical Installations in the UK”

Wiring Regulations (BS 7671) The UK Wiring Regulations, officially known as BS 7671, serve as the backbone of electrical installations here in the UK. This comprehensive document, often referred to as the electrical “rulebook,” or “the Regs” is essentially a set of standards and guidelines that dictate how electrical installation work should be carried out … Read more

18th Edition and Three Often Used Calculations

Let’s take a look at what are possibly the three most used calculations within the 18th Edition Wiring Regulations for electrical installations. Calculation Voltage Drop Calculating the cross-sectional area of protective conductors Tabulated current carrying capacity of conductors ‘It’ 1. Calculating voltage drop… You won’t find this formula anywhere in BS7671:2018 as this is another … Read more

Cable Size and Protective Device Selection

05: Cable Size and Protective Device Selection The cable most commonly used in domestic electrical installations is the 70 °C thermoplastic PVC insulated and sheathed flat cable which is often referred to as ‘Twin and Earth’ or ‘T&E’ and is available in various sizes ranging from 1.0 mm² up to 16 mm². As well as … Read more