Electrical Tutorials | Electrical Blog

Published Wednesday, May 21, 2025 Updated Thursday, August 27, 2026 19907

Why Does My RCD Keep Tripping? 10 Causes & Fixes

Discover 10 common reasons your RCD keeps tripping, safe checks you can make, how earth leakage differs from overload and when an electrician is needed.

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Published Monday, May 19, 2025 Updated Thursday, August 27, 2026 13564

Fused Spur Wiring & Installation: UK Socket Guide

Understand fused spur wiring, FCU supply and load connections, fuse ratings, Part P rules and when professional installation and testing are needed.

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Published Wednesday, May 21, 2025 Updated Thursday, August 27, 2026 9979

Main RCD Tripping but MCBs Stay On: Causes & Checks

Main RCD tripping while individual breakers stay on? Learn why it happens, safe checks to make and when the fault needs professional testing.

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Published Monday, May 19, 2025 Updated Thursday, August 27, 2026 13169

How to Fit a Fused Spur Safely in the UK

Learn how a fused spur is fitted, from circuit checks and safe isolation to FCU installation, fuse selection, testing and certification in the UK.

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Published Friday, June 20, 2025 Updated Wednesday, August 26, 2026 3620

Short Circuit vs Ground Fault vs Arc Fault Explained

Learn the difference between short circuits, ground or earth faults and arc faults, how protection differs, warning signs and when to call an electrician.

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Published Friday, June 20, 2025 Updated Wednesday, August 26, 2026 1743

Electrical Fault Detection Methods: Common UK Tests

Learn the common electrical fault detection methods used to trace wiring, insulation, earthing and RCD faults, what each test shows and its limits.

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Published Saturday, June 21, 2025 Updated Wednesday, August 26, 2026 1889

Cable Fault Location: How Cable Fault Finding Is Done

Learn how cable fault location is carried out, from circuit isolation and testing to route tracing, TDR, targeted access, repair and final checks.

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Published Saturday, July 12, 2025 Updated Tuesday, August 25, 2026 1305

Tethered vs Untethered EV Chargers: Key Differences

Tethered vs untethered EV chargers explained: compare convenience, cable flexibility, parking setup and compatibility to choose the right home charger.

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Published Sunday, August 24, 2025 Updated Monday, August 24, 2026 978

Types of Emergency Lighting Systems Used in London

Learn the main types of emergency lighting used in London buildings, including escape-route, anti-panic, local area and standby lighting.

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Published Tuesday, August 26, 2025 Updated Monday, August 24, 2026 1775

Maintained vs Non-Maintained Emergency Lighting UK

Maintained vs non-maintained emergency lighting explained: when each operates, where each suits, testing needs and current UK standards for buildings.

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Published Tuesday, August 26, 2025 Updated Monday, August 24, 2026 1452

How Long Should Emergency Lights Stay On in a Power Cut?

Find out whether emergency lights should last one or three hours, when each duration applies and how emergency-lighting duration is checked.

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Published Monday, July 14, 2025 Updated Monday, August 24, 2026 1679

Can I Charge an Electric Car from a 3-Pin Plug?

Can you charge an electric car from a 3-pin plug? See how Mode 2 charging works, key safety checks, charging speed and when a home EV charger is better.

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Published Monday, July 14, 2025 Updated Monday, August 24, 2026 1167

Does an EV Charger Increase Your Electricity Bill?

Does an EV charger increase your electricity bill? See how kWh use, charging speed, tariffs and smart scheduling affect your home charging costs.

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Published Friday, July 25, 2025 Updated Monday, August 24, 2026 1111

Are Smart EV Chargers Worth the Extra Cost? UK Guide

Are smart EV chargers worth the extra cost? Compare smart features, tariffs, solar and load management to decide when premium features are worthwhile.

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Published Tuesday, April 14, 2026 Updated Monday, August 24, 2026 681

Why Do My LED Lights Flicker? UK Causes & Safe Checks

LED lights can flicker because of dimmer incompatibility, failing drivers, loose connections or circuit issues. Learn safe checks and when to call.

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Published Tuesday, April 14, 2026 Updated Monday, August 24, 2026 628

Socket Not Working but Breaker Is Fine UK: Causes & Checks

Socket not working but the breaker looks fine? See common UK causes, safe checks, warning signs and when an electrician should investigate the circuit.

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Published Tuesday, October 21, 2025 Updated Monday, August 24, 2026 974

Common Electrical Issues: Causes & Safe Next Steps UK

Common electrical issues explained, including tripping, flickering lights, power loss and hot sockets, with safe checks and when to call an electrician.

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Published Sunday, May 25, 2025 Updated Monday, August 24, 2026 6244

Do I Need a Certificate After a Rewire? UK Rules

After a house rewire, learn which electrical certificate you should receive, how an EIC differs from an EICR and when Part P documentation applies.

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Published Wednesday, May 21, 2025 Updated Monday, August 24, 2026 7123

RCD Tripping Overnight With Nothing Plugged In: Causes

RCD tripping overnight with nothing plugged in? Learn likely causes, safe checks, and when repeated trips need professional electrical fault finding.

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Published Saturday, May 24, 2025 Updated Monday, August 24, 2026 4319

Can I Change a Light Fitting Without an Electrician?

Can you change a light fitting yourself in the UK? Learn the Part P position in England, safety limits and when you should use an electrician.

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Published Saturday, May 24, 2025 Updated Monday, August 24, 2026 4162

Can I Move a Plug Socket Myself in the UK?

Can you move a plug socket yourself in the UK? Learn the Part P rules, when notification may apply, testing requirements and when to use an electrician.

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Published Thursday, May 15, 2025 Updated Monday, August 24, 2026 2653

No Electrical Certificate? What Happens & What to Do UK

Missing an electrical certificate? Learn what document may be missing, why an EICR cannot replace an EIC and what to do about Part P records.

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Published Tuesday, April 7, 2026 Updated Monday, August 24, 2026 2105

Lights Flicker When Appliances Turn On? Causes & Checks

Lights flicker when appliances turn on? Learn what brief voltage dips can mean, warning signs to watch for, and when electrical fault finding is needed.

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Published Monday, November 10, 2025 Updated Monday, August 24, 2026 998

Electrical Fire Causes in Central London Flats

Learn common causes of electrical fires in Central London flats, key warning signs, safer prevention steps and when electrical faults need urgent help.

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Published Wednesday, February 25, 2026 Updated Monday, August 24, 2026 2600

Electric Boiler Installation UK: Cable Size & Amps

Electric boiler installation guide covering amps, cable sizing, supply capacity, circuit protection, Part P and electrical certification in the UK.

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Published Wednesday, February 25, 2026 Updated Monday, August 24, 2026 2117

What Is an SPD in a Consumer Unit? UK Surge Protection

What is an SPD in a consumer unit? Learn how surge protection works, what it protects, SPD types, UK requirements and when an upgrade may be needed.

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Published Wednesday, February 25, 2026 Updated Monday, August 24, 2026 1544

Electrical Arcing at Home: Warning Signs & Fire Risk

Electrical arcing at home can cause heat, burning smells, crackling and scorch marks. Learn the warning signs, safe actions and when to call an electrician.

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Published Wednesday, February 25, 2026 Updated Monday, August 24, 2026 1377

Why Do Electrical Cables Overheat? UK Wiring Faults

Electrical cables can overheat from overloads, loose connections, poor cable sizing or damage. Learn the warning signs and safe next steps in UK homes.

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Published Wednesday, February 25, 2026 Updated Monday, August 24, 2026 2584

RCD Won’t Stay On? Common Causes & Safe Checks UK

RCD won’t stay on? Learn what repeated tripping can mean, safe appliance checks you can make and when the circuit needs professional fault finding.

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Published Wednesday, February 25, 2026 Updated Monday, August 24, 2026 2211

Oven Installation UK: Cable Size, Amps & Safety

Installing an electric oven? Learn why its amps, cable, breaker, existing circuit and manufacturer requirements must be checked before connection.

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Published Wednesday, February 25, 2026 Updated Monday, August 24, 2026 2509

RCBO vs RCD: Which Is Better for UK Consumer Units?

RCBO vs RCD explained: compare circuit protection, fault isolation, unwanted tripping and what to consider when upgrading a UK consumer unit.

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Published Wednesday, February 25, 2026 Updated Monday, August 24, 2026 5901

Best Consumer Unit Brand in the UK: What to Look For

Which consumer unit brand is best in the UK? Compare Hager, Wylex, FuseBox and Lewden, plus the key features to check before choosing a new board.

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Published Friday, May 8, 2026 Updated Friday, August 21, 2026 532

Power Outage UK: Network Fault or Electrical Fault?

A UK power outage may come from the electricity network, meter or your property. Learn what to check, who to call and when an electrician is needed.

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Published Monday, May 11, 2026 Updated Friday, August 21, 2026 1129

RCD Type A vs Type AC: Can Either Fail an EICR?

Type AC does not automatically fail an EICR. Learn when C3 or C2 may apply, how Type A differs, and what current BS 7671 guidance means in 2026.

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Published Friday, May 16, 2025 Updated Friday, August 21, 2026 2340

What Is the Standard Electrical Service for a UK House?

Understand the standard electrical service for a UK house: 230V single-phase supply, main fuse, meter, consumer unit, circuits, protection and capacity.

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Published Monday, May 19, 2025 Updated Saturday, August 22, 2026 3886

Can You Fit a Fused Spur from a Fused Spur? UK Guide

Can you fit a fused spur from another fused spur? Learn how circuit topology, upstream protection, load, testing and UK electrical rules affect the answer.

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Published Thursday, May 15, 2025 Updated Saturday, August 22, 2026 4738

Can I Install a Fused Spur Myself? UK Safety Guide

Can I install a fused spur myself? Learn the Part P position, DIY safety limits, testing requirements and when a competent electrician is the better option.

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Published Thursday, June 5, 2025 Updated Friday, August 21, 2026 1548

How to Safely Identify Electrical Faults Before Calling

Learn how to identify electrical fault warning signs safely, what you can check without opening equipment, and when to call an electrician for help.

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Published Tuesday, July 1, 2025 Updated Friday, August 21, 2026 2956

Electrical Fault Finding Tools: What Electricians Use

See which tools electricians use for electrical fault finding, including voltage detectors, multimeters, insulation, loop, RCD and multifunction testers.

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Published Thursday, May 29, 2025 Updated Tuesday, August 18, 2026 4540

Can I Sign Off My Own Electrical Work? Part P Guide

Can you sign off your own electrical work? Learn how EICs, Minor Works certificates, Part P and Building Regulations certification differ in England.

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Published Saturday, June 21, 2025 Updated Tuesday, August 18, 2026 5075

How to Find Electrical Faults in a Circuit Step by Step

Learn how electrical circuit faults are professionally traced step by step using safe isolation, inspection, targeted testing and systematic fault location.

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Published Thursday, June 5, 2025 Updated Tuesday, August 18, 2026 2003

Electrical Fault Finding Guide for London Homeowners

Electrical fault finding explained for London homeowners, including warning signs, safe checks, professional diagnosis, testing and what happens next.

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Published Thursday, May 29, 2025 Updated Tuesday, August 18, 2026 8844

DIY Electrical Work UK: What Is Legal at Home?

Learn what DIY electrical work is legal at home, which work is notifiable under Part P in England, and when certification or an electrician is needed.

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Published Monday, July 6, 2026 Updated Sunday, August 16, 2026 509

Difference Between EIC and EICR: A Practical UK Guide

Understand the difference between EIC and EICR, when each is used, Minor Works certificates and how electrical certification differs from condition reporting.

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Published Monday, July 6, 2026 Updated Monday, August 17, 2026 362

How Many EV Charging Modes Are There? Mode 1–4 Guide

Learn the four EV charging modes, how Modes 1–4 differ, why mode is not charging speed, and which charging mode is normally used at home.

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Published Saturday, August 8, 2026 Updated Monday, August 17, 2026 491

Power Cut but Consumer Unit Still On? Causes & Checks

Power cut but consumer unit still on? Check whether the cause is the network, meter or internal electrics and learn the safest next step.

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Published Tuesday, July 7, 2026 Updated Monday, August 17, 2026 645

PAT Testing vs EICR: What’s the Difference in the UK?

PAT testing vs EICR explained: what each check covers, when you may need one or both, and how appliance testing differs from fixed wiring inspection.

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Published Wednesday, July 8, 2026 Updated Monday, August 10, 2026 459

EIC or PAT Testing: Which Do You Need and When? UK Guide

EIC or PAT testing? Learn what each covers, when it is needed, how they differ, and when an EICR or Minor Works Certificate may be the right option.

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