
Expert Fault Finding
Tripping RCDs or flickering lights? Don't leave it to chance. We use advanced UK-spec diagnostic equipment to find the needle in the haystack.
Call +34 622 72 87 14Top 10 Causes of Electrical Faults
Understanding the common culprits in Spanish properties can help us isolate your issue faster.
RCD/Intermittent Tripping
The most common headache. Often caused by dampness in outdoor lights, faulty water heaters, or pool pumps.
Loose Connections
A major fire risk. Terminals can loosen over time due to thermal expansion, leading to arcing and overheating.
Insulation Breakdown
As cable insulation ages or is exposed to high Spanish heat, it can leak current to earth, causing safety devices to trip.
Rodent Damage
Particularly in rural Andalusia, rats and mice chewing through cables is a frequent cause of circuit failure.
Moisture/Water Ingress
Spanish weather followed by high humidity can cause condensation and water buildup in outdoor sockets and junction boxes.
Faulty Appliances
Sometimes the "wiring fault" is actually a leaking element in a kettle, boiler, or dishwasher.
Circuit Overloading
Plugging too many high-wattage appliances (like AC units and heaters) into a single circuit beyond its design capacity.
Poor Workmanship
Legacy installations by unqualified "handymen" often lack proper earthing or use incorrect cable sizes.
Ageing Switchgear
Old MCBs and fuses can become weak or "lazy," tripping at incorrect loads or failing to protect the circuit.
UV Damage
Cables exposed to the intense Spanish sun without proper conduit protection will degrade and fail prematurely.
How a Professional Finds Faults
Finding a fault isn't about guessing. It's a scientific process of elimination. As a fully certified UK electrician, I follow a strict diagnostic procedure to ensure your system is not only fixed but safe for your family.
Safety First (Isolation)
We verify the circuit is dead using GS38 compliant voltage indicators and apply Lockout/Tagout procedures.
Visual Inspection
Checking for signs of burning, moisture, or loose connections at visible points like sockets and boards.
Dead Testing (Continuity)
Using specialized MFTs to check the integrity of every wire without any power applied.
Insulation Resistance Testing
Injecting high voltage (500V) to find microscopic leaks in cable insulation that cause tripping.
Live Testing & Sectioning
If needed, we test under load to find intermittent faults, sectioning the house to isolate the problem area.
Equipment & Safety Standards
Calibrated MFTs:: We use Multi-Function Testers calibrated annually to produce accurate, legal results.
Lockout/Tagout:: Your safety and our safety is paramount. We physically lock off circuits during repair.
Compliance:: Following BS7671 (UK) and local Spanish regulations for maximum safety.
"Many fires in Spain are caused by poor DIY repairs after a fault. Never bypass an RCD or 'jumper' a circuit to get things working. Get it tested properly."
— Shaun Bolton
Need Urgent Assistance?
Available for emergency diagnostic call-outs in Cómpeta and surrounding Axarquía villages.