Thermal Imaging Survey in Preston
Walker Electrical Developments carries out thermal imaging surveys of electrical installations at commercial and industrial premises across Preston and the PR2 area. Using professional-grade infrared cameras, our engineers identify heat anomalies in distribution boards, switchgear, cable runs, and connected equipment that indicate developing faults before they cause failures, fires, or unplanned downtime. This is one of the most effective predictive maintenance tools available to industrial and commercial operators in Preston.
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How Thermal Imaging Finds Hidden Electrical Faults
Most electrical faults produce heat before they produce any other visible or audible sign. A loose connection, an overloaded circuit, a failing protective device, or poor electrical contact all generate excess heat that shows clearly on an infrared camera. Standard electrical inspections and testing can miss these developing faults because they do not require the installation to be under load during the inspection. A thermal imaging survey is carried out with the installation energised and under load, making it uniquely effective at identifying real operating faults.
What Is Covered in a Thermal Imaging Survey
Our thermal imaging surveys for commercial and industrial sites in Preston cover all accessible electrical equipment including main distribution boards, sub-distribution boards, motor control panels, switchgear, busbar chambers, and cable trays. Each area is surveyed with the infrared camera and any anomalies are photographed with both thermal and standard images. Temperature differentials are recorded and compared against accepted thresholds to determine the severity of each finding.
A Detailed Report With Prioritised Findings
After every thermal imaging survey we produce a detailed written report with full colour thermal and optical images of every finding. Each issue is given a severity classification and a recommended action, ranging from monitor and retest at next inspection to immediate attention required. The report gives your maintenance team or engineering manager a clear, prioritised action list. We can quote for any remedial electrical works identified during the survey.
ABOUT US
Walker Electrical Developments was founded 25 years ago to serve the industrial and commercial electrical needs of businesses across Preston and Lancashire. From day one, we made a deliberate decision to focus exclusively on industrial and commercial work. That focus has shaped everything we do. Our electricians and engineers are experienced in environments that general contractors rarely encounter, including high-voltage distribution systems, motor drive installations, PLC control panels, and large-scale factory rewires. We are NICEIC registered and committed to delivering work that is safe, documented, and fully compliant.
NICEIC registered on every project
25 years of industrial and commercial electrical experience
Specialists in Preston, Blackburn, Lancaster and the wider PR2 area
Full public liability insurance on all works
Free, no-obligation quotes for all commercial and industrial projects
We carried out a thermal imaging survey for a food manufacturing facility in Clitheroe that had experienced two unexplained panel trips in the previous six months. The survey identified a seriously overheating bus connection in the main switchboard that was within a few degrees of critical failure. Emergency remedial works were carried out the following day and a major unplanned shutdown was avoided.
STILL NOT SURE?
Frequently Asked Questions
How often should a thermal imaging survey be carried out at a commercial site in Preston?
For most commercial and industrial sites in Preston, an annual thermal imaging survey is a sensible baseline. High-risk environments, older installations, or sites that have recently had electrical work carried out may benefit from more frequent surveys. Walker Electrical Developments can recommend a survey programme appropriate for your site.
Can thermal imaging be carried out while our Preston factory is operating?
Yes, and in fact it should be. A thermal imaging survey must be carried out with the electrical installation energised and under load to produce meaningful results. Walker Electrical Developments coordinates access to panels and switchgear with your team in a way that keeps operations running throughout the survey.
What faults can a thermal imaging survey find that a standard electrical test cannot?
Thermal imaging identifies issues that only show up when the installation is under load, including loose connections generating heat, overloaded cables and switchgear, failing contacts in motor starters and contactors, and phase imbalance in three phase systems. These issues may not trigger protective devices and would not be detected by standard insulation resistance or continuity testing.
OUR REVIEWS
Turned up on time, did the job, left the place tidy - couldn't ask for more.
Fair price, great work, will use again
Highly recommend, professional from start to finish.
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Address: 33 Newton Road, Ashton-on-Ribble, Preston, UK