Electrical Fault Diagnosis Centre
Expert answers to the electrical problems people search for — with clear safety guidance. Never open distribution boards or carry out live testing unless you are qualified.
07414 25412519 topics in this section
Power failuresRCD and RCBO faultsConsumer unitsElectrical safetyThree-phase powerControl systemsElectrical testingMaintenanceEmergency lightingElectrical equipment
Power failures
RCD and RCBO faults
Consumer units
Electrical safety
Three-phase power
Control systems
Electrical testing
Maintenance
Emergency lighting
Electrical equipment
Related sections
Electrical Faults
Find your symptom. Each fault page explains warning signs, likely causes, hazards, how our engineers diagnose it, the repair options and when urgent attendance is needed.
Fault Finding
Structured, test-led diagnosis. Every investigation connects to the right repair, equipment and testing service.
Emergency Repairs
Three distinct outcomes, clearly reported: emergency isolation, temporary safe restoration, and permanent remedial works.