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Electrical Advice for North London Homeowners

Practical answers to real electrical questions — from the team at Electriman.

Consumer Unit

Why is there a strong burning smell coming from my consumer unit only at night – Advice from Electriman, North London Electricians

A burning smell coming from your consumer unit — your fuse box — is never something to dismiss, and the fact that it happens specifically at night gives us a us…

2 August 2026Read more →
Neutral/Earthing

Why is there continuity between my neutral and earth when nothing is plugged in – Advice from Electriman, North London Electricians

If you have tested between the neutral and earth pins of a socket and found continuity, your first reaction might be that something is wrong. In most cases, it…

1 August 2026Read more →
Consumer Unit

Why is my consumer unit main earth terminal loose – Advice from Electriman, North London Electricians

Your main earth terminal is one of the most important safety connections in your entire electrical installation. It is the central point where all the earthing…

31 July 2026Read more →
Lighting

Why do my LED bulbs flicker with certain light switches – Advice from Electriman, North London Electricians

If your LED bulbs flicker when connected to a particular light switch but work fine elsewhere in the home, the switch itself is almost certainly the culprit rat…

30 July 2026Read more →
Solar

Why does my solar inverter keep shutting down – Advice from Electriman, North London Electricians

A solar inverter shutting down repeatedly is frustrating, but it is usually trying to protect itself or your home. Understanding the most common reasons can hel…

29 July 2026Read more →
Sockets

Why does my socket outlet feel loose – Advice from Electriman, North London Electricians

A loose socket is one of those things that is easy to ignore but should not be left alone. There are a few different reasons it might be happening, and most of…

28 July 2026Read more →
EICR

What are Code 1 and Code 2 on an EICR – Advice from Electriman, North London Electricians

If you have just received an Electrical Installation Condition Report and it contains a Code 1 or Code 2, it is understandable to feel worried. Here is what eac…

27 July 2026Read more →
EV

Do I need permission to install an EV charger – Advice from Electriman, North London Electricians

Do I Need Permission to Install an EV Charger at Home? For most UK homeowners, installing an EV charger is straightforward from a permissions standpoint — but…

19 July 2026Read more →
Consumer Unit

What size consumer unit do I need – Advice from Electriman, North London Electricians

What Size Consumer Unit Do I Need? Your consumer unit (also called a fuse board or distribution board) is the heart of your home's electrical system. Choosing…

19 July 2026Read more →
Wiring

Can I run a 32-amp cooker circuit in a 2.5mm cable – Advice from Electriman, North London Electricians

Can I Run a 32A Cooker Circuit in 2.5mm Cable? The short answer is no — and it is genuinely dangerous to try. Every cable has a maximum current it can safely…

19 July 2026Read more →
Fire Protection

What temperature should my consumer unit be and when is it dangerous – Advice from Electriman, North London Electricians

Is My Consumer Unit Too Hot? Your consumer unit (also called a fuse box) should feel slightly warm at most — never hot. A small amount of warmth is normal beca…

18 July 2026Read more →
EICR

What happens if I fail an EICR and don't fix it – Advice from Electriman, North London Electricians

What Happens If You Ignore a Failed EICR? Receiving an Unsatisfactory EICR can feel overwhelming, but ignoring it is never the right option. Here is what the f…

18 July 2026Read more →
RCD

Why is my RCD tripping but the electrician can't find the fault – Advice from Electriman, North London Electricians

Why Your RCD Keeps Tripping But the Electrician Can't Find the Fault This is one of the most frustrating electrical problems a homeowner faces. Your RCD (Resid…

17 July 2026Read more →
EICR

What happens if I ignore a failed EICR code – Advice from Electriman, North London Electricians

What Happens If You Ignore a Failed EICR Code? An Electrical Installation Condition Report (EICR) grades faults using codes — C1, C2, C3, and FI. If your repor…

17 July 2026Read more →
RCD

How do I know if my RCD is faulty or leaking – Advice from Electriman, North London Electricians

How to Tell If Your RCD Is Faulty or Leaking Your RCD (Residual Current Device) is one of the most important safety devices in your home. It's designed to cut…

17 July 2026Read more →
Neutral/Earthing

Why do I have no earth on my socket – Advice from Electriman, North London Electricians

What Does 'No Earth' on a Socket Mean? Every modern UK socket outlet should have three connections: Live (brown/red), Neutral (blue/black), and Earth (green-an…

16 July 2026Read more →
Wiring

Why is my wire insulation crumbling and what should I do – Advice from Electriman, North London Electricians

What Does Crumbling Wire Insulation Mean? If you've noticed the plastic or rubber coating on your wires is flaking, cracking, or turning to dust, your wiring h…

16 July 2026Read more →
EV

Why is my EV charger showing a ground fault error – Advice from Electriman, North London Electricians

What Does a Ground Fault Error Mean on My EV Charger? A ground fault (sometimes called an earth fault) means your EV charger has detected electricity flowing s…

16 July 2026Read more →
Consumer Unit

Why is my consumer unit making crackling noises at night – Advice from Electriman, North London Electricians

Why Is My Consumer Unit Making Crackling Noises? Hearing crackling, clicking, or popping sounds coming from your fuse box (consumer unit) — especially at night…

15 July 2026Read more →
Special Locations

Why is my bathroom socket sparking inside the tiled wall – Advice from Electriman, North London Electricians

Why Is My Bathroom Socket Sparking Inside the Wall? If you can see or hear sparking coming from behind a bathroom socket — or from within the tiled wall itself…

15 July 2026Read more →
Neutral/Earthing

What is a reversed live and neutral fault and how dangerous is it – Advice from Electriman, North London Electricians

What Does a Reversed Live and Neutral Mean? In UK wiring, the live (brown) wire carries current to your appliance, and the neutral (blue) wire completes the ci…

15 July 2026Read more →
Wiring

Why is my old unsheathed cable dangerous and when must I replace it – Advice from Electriman, North London Electricians

What Is Old Unsheathed Cable and Why Is It a Problem? If your home was built or last rewired before the 1970s, it may contain electrical cables that are now co…

14 July 2026Read more →
Sockets

Why does my socket smell of burning plastic when the microwave runs – Advice from Electriman, North London Electricians

Why Your Socket Smells of Burning Plastic When the Microwave Runs That burning plastic smell is your home's wiring telling you something is seriously wrong. It…

14 July 2026Read more →
Fire Protection

Why is my electrical fire risk assessment showing high risk – Advice from Electriman, North London Electricians

What Does a High-Risk Electrical Fire Assessment Mean for You? Receiving a high-risk rating on an electrical fire risk assessment can be alarming, but understa…

14 July 2026Read more →
Wiring

Why is my electrical cable getting hot inside the wall – Advice from Electriman, North London Electricians

Why Is My Cable Getting Hot Inside the Wall? Finding that a cable or the area around a socket or switch feels warm — or smelling something burning from inside…

13 July 2026Read more →
Sockets

Why is my socket arcing inside the wall – Advice from Electriman, North London Electricians

What Does Arcing Inside a Socket Mean? If you have seen a flash of light, heard a crackling or buzzing sound, or noticed a burning smell coming from behind you…

13 July 2026Read more →
Consumer Unit

Why has my consumer unit tripped out completely and won't reset – Advice from Electriman, North London Electricians

Why Has My Consumer Unit Tripped Out Completely? When your entire consumer unit goes dead — not just one circuit — it usually means the main switch (incomer) h…

13 July 2026Read more →
Neutral/Earthing

Why is my neutral wire glowing red when the main switch is off – Advice from Electriman, North London Electricians

What Does a Glowing Red Neutral Wire Mean? If you can see a neutral wire that looks red, orange, or is visibly glowing, this is a serious electrical emergency.…

12 July 2026Read more →
Neutral/Earthing

What is a PME failure and what should I do immediately – Advice from Electriman, North London Electricians

What is a PME Failure and What Should I Do? PME stands for Protective Multiple Earthing, which is the most common earthing system used in UK homes. Under norma…

12 July 2026Read more →
Storage Batteries

How do I connect a battery to my solar system – Advice from Electriman, North London Electricians

Connecting a Battery to Your Solar System — What Homeowners Need to Know Adding a battery to your solar setup lets you store surplus energy generated during th…

11 July 2026Read more →
RCD

How do I test if my RCD is working properly – Advice from Electriman, North London Electricians

How to Test Your RCD at Home An RCD (Residual Current Device) is a life-saving safety switch fitted in your consumer unit (fuse box) or plugged into a socket.…

11 July 2026Read more →
Consumer Unit

How much does a new consumer unit cost – Advice from Electriman, North London Electricians

How Much Does a New Consumer Unit Cost in the UK? Replacing your consumer unit (also called a fuse box) is one of the most important electrical upgrades you ca…

11 July 2026Read more →
Neutral/Earthing

What is a floating neutral and how do I fix it – Advice from Electriman, North London Electricians

What Is a Floating Neutral in Plain English? Imagine your home's electrical system as a seesaw. The neutral wire is the pivot point that keeps everything balan…

10 July 2026Read more →
Consumer Unit

Why is my consumer unit making a humming noise – Advice from Electriman, North London Electricians

Why Is My Consumer Unit Making a Humming Noise? Hearing a hum from your consumer unit (fuse box) is more common than you might think, but it always deserves at…

10 July 2026Read more →
Wiring

What does Part P of Building Regulations mean – Advice from Electriman, North London Electricians

What Part P Means for You as a Homeowner Part P of the Building Regulations came into force in England and Wales on 1 January 2005. It is the law that makes do…

10 July 2026Read more →
Lighting

Can I replace a halogen bulb with an LED bulb – Advice from Electriman, North London Electricians

Can I Replace a Halogen Bulb with an LED? The short answer is yes — and it's one of the easiest energy-saving upgrades you can make at home. Most LED bulbs are…

9 July 2026Read more →
Neutral/Earthing

What is touch voltage and how do I prevent it – Advice from Electriman, North London Electricians

What Is Touch Voltage and Why Does It Matter? Touch voltage is the voltage you can receive across your body when you touch something metallic — like a washing…

9 July 2026Read more →
RCD

Why does my RCD trip intermittently with no pattern – Advice from Electriman, North London Electricians

Why Your RCD Keeps Tripping Randomly An RCD (Residual Current Device) is designed to protect you from electric shock and fire by cutting power the instant it d…

9 July 2026Read more →
Consumer Unit

Why won't my consumer unit main breaker reset – Advice from Electriman, North London Electricians

Why Won't My Consumer Unit Main Breaker Reset? The main switch (sometimes called the main breaker or incomer) in your consumer unit is a safety device. When it…

8 July 2026Read more →
Lighting

Why does my wall light spark when I switch it on – Advice from Electriman, North London Electricians

Why Is My Wall Light Sparking When I Switch It On? Seeing a spark from a wall light switch is understandably alarming, and you are right to take it seriously.…

8 July 2026Read more →
Neutral/Earthing

What causes a split neutral fault and why is it dangerous – Advice from Electriman, North London Electricians

What Is a Split Neutral Fault? A split neutral fault happens when the neutral wire in your electrical circuit breaks or becomes disconnected, while the live wi…

8 July 2026Read more →
Neutral/Earthing

Why do I have voltage on my earth conductor – Advice from Electriman, North London Electricians

Voltage on My Earth Wire — What Does It Mean? Finding voltage on an earth conductor can be alarming, and rightly so. The earth wire is supposed to sit at 0 V a…

7 July 2026Read more →
Sockets

Why is my socket getting hot when nothing is plugged in – Advice from Electriman, North London Electricians

Why Your Empty Socket Feels Hot — What You Need to Know If a socket feels warm or hot to the touch and nothing is plugged into it, this is not normal and shoul…

7 July 2026Read more →
Fire Protection

What should I do if my isolation switch catches fire – Advice from Electriman, North London Electricians

An isolation switch catching fire is a serious electrical emergency — here is what you need to know and do. Immediate steps to take: Call 999 immediately — do…

7 July 2026Read more →
Consumer Unit

Why is my old fuse box making popping sounds – Advice from Electriman, North London Electricians

Why Is My Old Fuse Box Making Popping Sounds? A popping or cracking sound from your fuse box is not normal and should never be ignored. It almost always means…

6 July 2026Read more →
Fire Protection

Why is my home at risk of electrical fire – Advice from Electriman, North London Electricians

Why Is My Home at Risk of Electrical Fire? Electrical fires account for around 20,000 house fires per year in the UK, and the worrying part is that most start…

6 July 2026Read more →
Sockets

Why does my appliance socket keep sparking at night – Advice from Electriman, North London Electricians

Why Is My Socket Sparking at Night? Seeing sparks from a socket — especially at night when things are quiet — is understandably alarming. The good news is that…

6 July 2026Read more →
Neutral/Earthing

Why is my neutral conductor overheating in the fusebox – Advice from Electriman, North London Electricians

Why Is My Neutral Conductor Overheating in the Fusebox? Finding a hot, discoloured, or burning-smelling wire in your fusebox (consumer unit) is alarming — and…

5 July 2026Read more →
Consumer Unit

Why is there water inside my consumer unit – Advice from Electriman, North London Electricians

Water Inside Your Consumer Unit — What It Means and What To Do Finding water inside your consumer unit (fuse box) is a serious issue that must be treated as an…

5 July 2026Read more →
Fire Protection

Why does my electrical panel smell like burning plastic – Advice from Electriman, North London Electricians

What Does a Burning Plastic Smell from My Consumer Unit Mean? A burning or acrid plastic smell coming from your consumer unit (fuse box) is one of the clearest…

5 July 2026Read more →
EV

Do I need a dedicated circuit for an EV charger – Advice from Electriman, North London Electricians

Do I Need a Dedicated Circuit for My EV Charger at Home? The short answer is yes — almost every home EV charger (also called an EVSE or wallbox) installed in t…

4 July 2026Read more →
Consumer Unit

Can I replace a fuse board myself – Advice from Electriman, North London Electricians

Can I Replace My Fuse Board Myself? The short answer is no, not legally — and here is why that matters for your home and your insurance. What the Law Says In…

4 July 2026Read more →
Neutral/Earthing

What is the difference between neutral and earth – Advice from Electriman, North London Electricians

Neutral vs Earth — What Every Homeowner Should Know If you've ever looked inside a plug or a consumer unit, you'll have seen three wires: live (brown), neutral…

4 July 2026Read more →
EICR

What does a failed EICR mean and how do I fix it – Advice from Electriman, North London Electricians

What a Failed EICR Means for You An EICR (Electrical Installation Condition Report) is a formal inspection of your home's wiring, consumer unit, sockets, and e…

3 July 2026Read more →
EV

What size cable do I need for an EV charger – Advice from Electriman, North London Electricians

What Cable Size Do I Need for an EV Charger at Home? Choosing the right cable for your EV charger is one of the most important parts of the installation. Using…

3 July 2026Read more →
Consumer Unit

Why is my breaker crackling – Advice from Electriman, North London Electricians

Why Is My Breaker Crackling? (Plain English Explanation) If you can hear a crackling, fizzing, or popping noise coming from your consumer unit (fusebox), take…

3 July 2026Read more →
Wiring

Do I need a Part P certificate for DIY electrical work – Advice from Electriman, North London Electricians

Do I Need a Part P Certificate for DIY Electrical Work? Part P of the Building Regulations applies to all electrical work in dwellings in England. It was intro…

2 July 2026Read more →
Neutral/Earthing

Why is my neutral wire overheating – Advice from Electriman, North London Electricians

Why Is My Neutral Wire Overheating? A Homeowner's Guide Finding a warm or discoloured neutral wire is understandably alarming, and rightly so — it is a genuine…

2 July 2026Read more →
EICR

How often should I get an EICR certificate – Advice from Electriman, North London Electricians

How Often Should You Get an EICR in the UK? An Electrical Installation Condition Report (EICR) is a formal inspection of the wiring and electrical systems in y…

2 July 2026Read more →
RCD

Is it illegal to have no RCD protection – Advice from Electriman, North London Electricians

Is It Illegal to Have No RCD Protection in Your Home? The short answer is: not automatically illegal for existing homes, but it is a serious safety issue — and…

1 July 2026Read more →
Consumer Unit

Why does my breaker keep tripping – Advice from Electriman, North London Electricians

Why Your Breaker Keeps Tripping — Plain English Explanation Your consumer unit (fuse box) contains circuit breakers — small switches that automatically cut the…

1 July 2026Read more →
EV

Can I run an EV charger on a 13-amp socket – Advice from Electriman, North London Electricians

Using a 13-Amp Socket to Charge Your EV — What Every Homeowner Should Know A standard three-pin 13-amp socket — the type found in every UK home — can be used t…

1 July 2026Read more →
Sockets

Why do my sockets get hot – Advice from Electriman, North London Electricians

Why Is My Socket Hot? What Every Homeowner Should Know A socket that feels warm or hot is not normal and should never be ignored. In most UK homes, a standard…

30 June 2026Read more →
Consumer Unit

Why is my consumer unit hot – Advice from Electriman, North London Electricians

Why Is My Consumer Unit Hot? It's completely normal for a consumer unit (fuse box) to feel slightly warm during periods of heavy electrical use — this is just…

30 June 2026Read more →
Sockets

Why does my socket smell burnt – Advice from Electriman, North London Electricians

Why Does My Socket Smell Burnt? A burning smell from an electrical socket is always a warning sign that something is wrong and potentially dangerous. It should…

29 June 2026Read more →
Fire Protection

What causes an electrical fire in a home – Advice from Electriman, North London Electricians

What Causes an Electrical Fire in a Home? Electrical fires start when heat builds up somewhere in your wiring system to the point where it ignites surrounding…

29 June 2026Read more →
EICR

Do landlords need an EICR certificate by law – Advice from Electriman, North London Electricians

Do Landlords Need an EICR Certificate by Law? If you are a landlord renting out a property in the UK, the short answer is yes — an EICR is a legal requirement,…

29 June 2026Read more →
EICR

What is an EICR and do I need one – Advice from Electriman, North London Electricians

What is an EICR and Do I Need One? An Electrical Installation Condition Report (EICR) is an official document produced after a thorough inspection and testing…

28 June 2026Read more →
Fire Protection

What should I do if my consumer unit catches fire – Advice from Electriman, North London Electricians

A consumer unit fire is one of the most serious electrical emergencies you can face at home. Consumer units — also called fuse boxes — contain live busbars, MCB…

28 June 2026Read more →
Fire Protection

Why is my socket smoking or sparking – Advice from Electriman, North London Electricians

Why Is My Socket Smoking or Sparking? A smoking or sparking socket is never normal and should always be treated as an emergency. Here is what it means and what…

28 June 2026Read more →
Consumer Unit

Why is my fuse board buzzing – Advice from Electriman, North London Electricians

Why Is My Fuse Board Buzzing? (Plain English Explanation) Hearing a buzz or hum coming from your fuse board (also called a consumer unit) can be unsettling, bu…

27 June 2026Read more →
RCD

Why does my EV charger trip the RCD – Advice from Electriman, North London Electricians

Why Your EV Charger Keeps Tripping the RCD If your electric vehicle charger keeps tripping the RCD (the safety switch in your consumer unit or garage board), y…

27 June 2026Read more →
RCD

Why does my outside socket trip the RCD – Advice from Electriman, North London Electricians

Why Your Outside Socket Keeps Tripping the RCD An RCD (Residual Current Device) is a safety switch in your consumer unit (fusebox) that cuts power within milli…

27 June 2026Read more →
RCD

Why does my washing machine trip the RCD – Advice from Electriman, North London Electricians

Why Is My Washing Machine Tripping the RCD? An RCD (Residual Current Device) is a safety switch fitted in your consumer unit (fusebox) that detects tiny electr…

26 June 2026Read more →
RCD

Why does my RCD trip with nothing plugged in – Advice from Electriman, North London Electricians

Why Your RCD Keeps Tripping With Nothing Plugged In If your RCD (Residual Current Device — the switch in your consumer unit labelled 'RCD' or 'Test') trips eve…

26 June 2026Read more →
RCD

Why does my RCD trip at night – Advice from Electriman, North London Electricians

Why Does My RCD Keep Tripping at Night? An RCD (Residual Current Device) is a life-saving safety device in your consumer unit (fusebox). It monitors electrical…

26 June 2026Read more →
RCD

Why won't my RCD reset – Advice from Electriman, North London Electricians

Why Won't My RCD Reset? An RCD (Residual Current Device) is a safety switch in your consumer unit (fusebox) that trips automatically when it detects electricit…

26 June 2026Read more →
RCD

Why does my RCD trip when it rains – Advice from Electriman, North London Electricians

Why Your RCD Trips in the Rain An RCD (Residual Current Device) is a safety device that trips when it detects electricity leaking to earth — for example throug…

26 June 2026Read more →
RCD

Why does my RCD keep tripping – Advice from Electriman, North London Electricians

Why Does My RCD Keep Tripping? An RCD (Residual Current Device) is the safety switch in your consumer unit (fuse box) that protects you from electric shock and…

26 June 2026Read more →
Lighting

Why do LED lights flicker when switched off – Advice from Electriman, North London Electricians

LEDs flicker or glow when off because a very small current is still getting to the lamp. That trickle can come from: - Illuminated switches, two‑wire dimmers, o…

18 June 2026Read more →
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