Fault Finding & Diagnostics
Fault Finding & Diagnostics Specialists with 5 Years Experience
Trusted by homeowners and businesses across Windsor, Slough and Uxbridge, H & H Electric Limited specialises in thorough diagnostics that find intermittent and complex electrical faults. Our NAPIT-accredited engineers use insulation resistance testing, thermal imaging and logical isolation to locate root causes. Same-day emergency call-outs reduce downtime and every job is fully insured with a 12-month workmanship guarantee.
Why Choose us for Fault Finding & Diagnostics?
Work carried out by qualified engineers under NAPIT standards, with full public liability cover for domestic and commercial sites.
How It Works
Initial Safety Assessment
We isolate the affected area, carry out a visual inspection and secure the site to prevent further risk to people or property.
Structured Diagnostics
Using insulation resistance testers, thermal imaging and logical circuit isolation we pinpoint intermittent faults, earth faults and failing components.
Remedial Plan & Repair
We present a clear, prioritised repair plan, perform the agreed works and re-test to certified standards so circuits are safe and compliant.
Frequently Asked Questions
Find answers to common questions about our services and process.
Duration depends on the fault complexity and property size. Simple issues can be identified in under an hour, while intermittent or concealed faults may require a longer diagnostic session and staged testing to replicate the problem.
What Our Customers Say
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Book a Fault‑Finding Call‑Out
Arrange a diagnostics visit today — same‑day emergency slots available. Call 07775 926795 or request a call back.