· Ashee Jay Ventures · Electrical Works · 4 min read
Why Professional Electrical Installation Matters for Your Property
Faulty wiring is one of the leading causes of building fires in Nigeria. What you pay for professional electrical work is far less than what you risk by cutting corners.
Across Nigeria, electrical faults are a major cause of building fires, equipment damage, and electrocution injuries. Many of these incidents trace back to the same root cause: substandard electrical installation carried out by unqualified technicians, or legitimate installation that was later modified unsafely.
Understanding what good electrical work looks like — and why it matters — can protect your family, your property, and your investments.
The Real Risks of Poor Electrical Work
Fire Hazard
Undersized cables overheat when carrying more current than they were designed for. In a wall or ceiling — where the heat cannot easily escape — this can ignite surrounding materials. Electrical fires often start inside walls and are well established before being detected.
Equipment Damage
Voltage fluctuations, improper earthing, and poor phase balancing can damage sensitive equipment — refrigerators, air conditioners, computers, televisions. The cost of replacing damaged appliances almost always exceeds what a professional installation would have cost.
Electrocution Risk
Improper wiring of sockets, switches, and distribution boards can result in live parts being accessible or unexpected voltage appearing in unexpected places. This is particularly dangerous for children.
Legal and Insurance Implications
A property with non-compliant electrical installation may face difficulties with insurance claims following fire or damage. Insurance policies typically include clauses requiring installation to meet local codes.
What Professional Electrical Installation Includes
A professional installation is not simply “connecting the wires.” It involves:
Load Assessment and Circuit Design
Before a single cable is laid, the total electrical load of the building is calculated — all appliances, lighting, and equipment — and circuits are designed to distribute this load safely. Dedicated circuits are created for high-draw appliances like air conditioners, electric cookers, and inverter systems.
Correctly Sized Cables and Breakers
Every cable is sized for the current it will carry, with a safety margin. Circuit breakers are selected to trip before cables overheat. This matching of cable size to breaker rating is fundamental — and frequently ignored by unqualified technicians who use whatever cable is available.
Proper Earthing
Earthing (grounding) provides a safe path for fault current — it’s what causes a circuit breaker to trip immediately when a live wire contacts a metal casing, rather than leaving the casing electrified. A building without proper earth bonding is inherently unsafe.
Distribution Board Quality
The distribution board (DB board or consumer unit) is the heart of your electrical system. A quality DB board uses reputable circuit breakers, is clearly labelled, and has adequate space for future circuits. Overcrowded, unlabelled boards with mixed breaker brands are a common sight in poorly installed properties — and a common source of problems.
Testing and Certification
Upon completion, a professional electrical installation should be tested using insulation resistance and continuity tests to confirm there are no faults before the system is energised. Documentation of this testing provides evidence that the installation was carried out correctly.
Red Flags in Electrical Work
Watch out for:
- Burning smell from sockets or switches — indicates a poor connection causing arcing
- Breakers that trip frequently — suggests overloaded circuits or a fault
- Sockets that feel warm to the touch — a sign of loose connections or undersized wiring
- Multiple adapters and extension leads used permanently — indicates insufficient sockets, stressing the wiring
- Visible wire joins outside conduit — a safety hazard and signs of informal repair
Maintaining Your Electrical System
Even a correctly installed system requires periodic attention:
- Have your electrical installation inspected every 5 years by a qualified electrician
- Check that your circuit breaker labels are still accurate as your property’s use changes
- Never bypass a breaker that keeps tripping — investigate and resolve the cause
- When adding new circuits or sockets, always use a qualified professional
Our Electrical Works Service
At Ashee Jay Ventures, our electrical team handles:
- Full new-build electrical installations
- Rewiring of existing properties
- Inverter and solar system integration
- Distribution board upgrades
- External and security lighting
- Electrical fault diagnosis and repair
All work is carried out to relevant Nigerian Electricity Regulatory Commission (NERC) standards, with full testing on completion.
If you have concerns about your current electrical installation or are planning a new build or renovation, contact our team for an assessment. Identifying and addressing electrical issues early is always cheaper — and safer — than dealing with the consequences.
