Electrical Fault Finding & Diagnostics
Intermittent faults, nuisance tripping, and "it works sometimes" problems get resolved with systematic diagnostics (circuit tracing, insulation resistance testing and thermal imaging). Swapping parts until something works isn’t diagnosis.

Scope of work
- Circuit tracing and continuity testing
- Insulation resistance and earth loop impedance testing
- Thermal imaging inspection
- Root-cause diagnosis and repair recommendation

Technical considerations
- Systematic circuit tracing used instead of a guess-and-replace approach
- Intermittent faults confirmed with test equipment, over more than one visit if needed
- Root cause identified before any repair recommendation is made
How this work comes together
Circuit tracing
Circuits traced and tested for continuity to narrow down where the fault actually is.
Insulation & impedance testing
Insulation resistance and earth loop impedance tested to catch faults that don’t show up as an obvious symptom.
Thermal imaging
A thermal scan to spot heat buildup at connections or components under load.
Root-cause diagnosis
Findings brought together into a clear root-cause diagnosis and repair recommendation.
Properties that typically need electrical fault finding & diagnostics
How we scope, install, and hand over the work
Assess
Site survey, load assessment, and diagnostics. We measure the actual conditions before proposing a scope.
Design
A written design based on the assessed load: circuit schedules and single-line diagrams you keep.
Install
Work executed by our team to the documented design, with safety isolation and site protocols observed throughout.
Test & Handover
Commissioning tests, compliance checks, and as-built documentation handed over. Not just a completed job, a documented one.
You get the paperwork, too
Depending on scope: installation records, circuit or equipment schedules, testing results, and as-built information where produced. See what we hand over on every project.
Common questions
How fast do you respond to emergencies?
We aim to respond to emergency call-outs within 30 minutes. Call +234 814 020 5895 directly for active hazards (sparking, burning smell, exposed live wiring) rather than submitting the contact form.
What counts as an electrical emergency?
Active hazards: sparking, a burning smell, exposed live wiring, or total power loss affecting safety-critical equipment. Recurring tripped breakers or a warm panel cover are worth calling about too, even if not urgent the same hour.
Is there an emergency contact outside business hours?
Yes. Call +234 814 020 5895 or email emergency@kellelectricals.com for urgent issues outside our normal business hours.
How much does house rewiring cost in Abuja?
It depends on the property's size, current wiring condition, and how many circuits, sockets, and fixtures are involved. Rewiring a two-bedroom flat and a multi-storey house aren't comparable jobs. We don't quote a number without a site visit, since guessing risks under- or over-pricing the actual scope. Request a quote and we'll assess the property directly.
What do hybrid inverter systems cost in Nigeria?
Hybrid inverter and battery system pricing depends on inverter capacity, battery chemistry and bank size, and whether it's a backup-only setup or one designed to carry most of your daily load (see our guide on sizing a hybrid inverter system for why that distinction matters). We size and quote from a real load assessment.
How much does smart home automation cost?
It scales with scope. A few automated lighting circuits costs far less than whole-property lighting, climate, and access control on one platform. Retrofitting an existing property also typically costs more than wiring automation into a new build from the start. We scope and quote after understanding what you actually want to control.
Read full review on Google →Nice and solid work that was done during the entire electrical installation process
Jimmy John
3 months ago
Read full review on Google →Kell Electricals is the best. They have professionals that actually know their onions. I had an issue with my meter for good three days and within a few seconds after placing a call, I got the solution. …
Jemimah Duyle
10 months ago
Ready to scope your electrical fault finding & diagnostics job?
Describe the job in a few lines. We'll come back with a proper scope for it.

