Electrical Thermal Imaging

A warm area is an observation requiring interpretation. Load, surroundings, surface properties and the inspection viewpoint affect what the image shows. The survey should answer a defined question rather than collect colourful images without a clear assessment or next step.

The scope identifies equipment, accessible surfaces and operating conditions to be examined. Work can include reviewing drawings and previous findings, capturing thermal and matching visual images, recording asset references and preparing a prioritised report.

The report explains the observed pattern, relevant conditions and recommended response. Further electrical investigation may be needed to establish whether a connection, component, loading issue or another cause is responsible. Repairs, testing and verification of the result are defined as connected activities, not assumed to have happened during imaging.

A thermal camera detects infrared radiation from surfaces in its view. It does not see through a closed metal enclosure to inspect every component inside. Reflections and surface characteristics can affect apparent temperature, so image interpretation needs appropriate competence and context.

Electrical thermal imaging also does not replace an electrical installation inspection or the tests needed to assess other defects. It provides a different type of condition evidence. We identify the purpose and coverage so the client understands what the survey establishes and what remains outside its scope.

Provide equipment schedules, distribution drawings, previous reports and known symptoms. Identify the operating load and normal working periods, along with systems that should not be interrupted. Equipment inspected at a quiet time may show a different pattern from the same equipment under typical demand.

Access planning must consider the equipment's construction and electrical risks. Opening enclosures or approaching live parts is not a routine customer preparation task. The appropriate specialist establishes the safe inspection method and records equipment that cannot be assessed under the agreed conditions.

We agree the asset list and survey purpose, plan safe access and arrange a suitable operating window. Images are captured with identifiable locations and supporting observations. Findings are reviewed against the equipment and conditions before a recommendation is issued.

Where an anomaly requires action, the report identifies the next investigation or repair and its priority. Follow-up imaging can support comparison after work, but useful comparison depends on recording the new operating conditions as well. The record should not treat differently loaded images as directly equivalent without explanation.

Equipment numbers, access, survey duration and reporting detail affect price. Several sites, restricted areas, escort requirements and the need to coordinate specialist access add planning. Missing equipment references can also increase the time needed to produce a usable report.

The survey may need equipment operating, but that does not make every inspection non-disruptive. Access restrictions and the safe method determine what can be examined. We agree the programme and handover outputs, including images, findings, exclusions and open actions, before presenting the work as complete.

Industrial and manufacturing premises need load and process conditions recorded. Offices need electrical distribution references that match shared building systems. Retail estates benefit from consistent reporting across sites while retaining local operating differences.

For data centres and critical environments, access, criticality and operating restrictions need particular attention in the survey brief. The wider service and project offering remains available across all sectors.

We arrange surveys across Northumberland, Tyne and Wear, County Durham and Tees Valley, including Berwick-upon-Tweed, Alnwick, Morpeth, Hexham, Newcastle, Gateshead, Sunderland, Durham, Darlington, Hartlepool, Stockton-on-Tees and Middlesbrough.

Portfolio work can share a reporting format while each site retains its equipment, load and access records. Wider specialist and multi-site enquiries are assessed around the actual locations and work. View all locations.

Read What Is Electrical Thermal Imaging? and what happens when no fault is found. HSE's electrical safety guidance provides the safety context for assessing electrical work and access.