NETA Thermographic Infrared Survey Report
Use this NETA Thermographic Infrared Survey Report template to document electrical hot spots, scan conditions, delta-T findings, and corrective priorities in one inspection record.
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Overview
The NETA Thermographic Infrared Survey Report template is used to document infrared inspections of energized electrical equipment and the conditions under which the scan was performed. It gives you a structured place to record survey identification, load and ambient conditions, safety controls, thermal anomalies, delta-T classifications, photo evidence, corrective priorities, and final sign-off.
Use this template when you are surveying switchgear, panelboards, MCCs, transformers, disconnects, or other electrical assets where heat patterns can reveal loose connections, overloads, imbalance, or developing failures. It is especially useful when you need a defensible maintenance record that can be trended over time or attached to work orders. The report is also helpful when multiple areas are scanned in one visit and you need to preserve which assets were inspected, which were missed, and why.
Do not use this template as a generic equipment checklist or for de-energized inspections where thermography is not the primary method. It is also not the right fit for non-electrical condition monitoring unless you customize the findings and severity logic. If the scan was limited by covers, obstructions, unsafe access, or abnormal operating conditions, the template should capture those exceptions clearly so the report does not imply a complete or comparable survey. The goal is not just to note a hot spot, but to leave a clear trail from observation to action.
Standards & compliance context
- The template supports ANSI/NETA maintenance testing and thermographic survey practices by capturing load conditions, anomaly classification, and corrective follow-up.
- It helps document electrical safety controls and inspection context expected under OSHA general industry electrical safety requirements and site lockout-tagout programs where applicable.
- For facilities with formal electrical safety programs, the report can support NFPA 70E-based risk documentation by preserving scan conditions and observed hazards.
- If the survey is part of a broader reliability or quality program, the structure also fits ISO 9001-style non-conformance tracking and corrective action records.
- When the survey is performed in regulated facilities, the report should be retained as part of the site’s maintenance and safety documentation trail.
General regulatory context for orientation only — verify current requirements with counsel or the relevant agency before relying on this template for compliance.
What's inside this template
Survey Identification
This section establishes who performed the survey, where it happened, and exactly which equipment and scope were included.
- Survey date and time recorded
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Facility, building, and area identified
Record the site name, building, room, and specific electrical area surveyed.
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Inspector name and qualifications documented
Identify the thermography technician or competent person performing the survey.
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Survey scope and equipment list defined
Select all equipment types included in the survey.
Scan Conditions and Safety Controls
This section matters because thermographic results are only useful when the load, ambient conditions, and safety context are recorded with the scan.
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Equipment was scanned under normal operating load
Confirm the equipment was energized and operating under representative load at the time of the scan.
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Load condition at time of scan recorded
Enter the measured or estimated load percentage at the time of the infrared scan.
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Ambient conditions recorded
Document ambient temperature, weather or room conditions, and any factors affecting the scan.
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Electrical safety controls verified
Select all safety controls in place during the survey.
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Scan limitations or obstructions noted
Identify whether covers, insulation, reflections, distance, or access limitations affected image quality or interpretation.
Thermographic Findings
This section captures the actual anomalies, measurements, and image evidence needed to verify and trend each hot spot.
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Asset or component identification
Record the exact equipment and component location, such as feeder breaker, lug, termination, or bus connection.
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Thermal anomaly observed
Indicate whether a hot spot, abnormal temperature rise, or other thermal irregularity was observed.
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Delta-T classification assigned
Classify the temperature differential severity for the observed condition.
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Measured temperature or delta-T value
Enter the measured temperature, temperature rise, or delta-T value associated with the anomaly.
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Thermal image captured
Attach the infrared image showing the anomaly or representative scan image.
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Visible-light reference photo captured
Attach a corresponding visible-light photo identifying the equipment and location.
Condition Assessment and Priority
This section turns observations into action by ranking risk, assigning corrective priority, and setting a follow-up date.
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Condition assessed for immediate risk
Select the assessed condition based on observed severity and operational risk.
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Corrective priority assigned
Assign the repair priority for work planning and follow-up.
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Recommended corrective action documented
Describe the recommended repair, adjustment, cleaning, tightening, replacement, or further investigation.
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Follow-up inspection date assigned
Enter the planned date and time for re-scan or verification after corrective action.
Closeout and Sign-Off
This section confirms review, documents exceptions or missed assets, and creates a signed record for maintenance and audit use.
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All findings reviewed with site representative
Confirm the survey results and priorities were communicated to the responsible site contact.
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Exceptions, access issues, or missed assets documented
Record any equipment that could not be scanned, any access restrictions, or any exceptions to the survey scope.
- Inspector signature
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Report approved by supervisor or responsible manager
Confirm review and approval by the responsible supervisor, manager, or AHJ representative if applicable.
How to use this template
- 1. Enter the survey date, facility, building, area, inspector qualifications, scope, and equipment list before the walk-through begins.
- 2. Record the operating load, ambient conditions, and any electrical safety controls or access limitations at the time each scan is taken.
- 3. Capture each thermal anomaly with the asset ID, measured temperature or delta-T value, thermal image, and visible-light reference photo.
- 4. Assign a condition assessment and corrective priority based on the severity of the anomaly and the risk to operations or safety.
- 5. Document the recommended corrective action, set a follow-up inspection date, and note any exceptions, missed assets, or access issues during closeout.
- 6. Obtain site representative review, then sign and approve the report so it can be used for maintenance tracking and audit records.
Best practices
- Scan equipment under normal operating load whenever possible, because low-load readings can hide a developing connection problem.
- Record ambient temperature, load condition, and scan limitations for every survey so later comparisons are meaningful.
- Photograph every defect with both thermal and visible-light images at the time of inspection, not after the walk-through.
- Tie each anomaly to a specific asset tag, breaker number, bucket, or termination point so maintenance can find it without guesswork.
- Use consistent delta-T classification language across reports so priorities stay comparable from one survey to the next.
- Flag immediate-risk findings separately from routine maintenance items so critical issues do not get buried in the list.
- Document missed assets and blocked access explicitly, because an unscanned component is not the same as a normal finding.
What this template typically catches
Issues teams running this template most often surface in practice:
Common use cases
Frequently asked questions
What equipment and areas does this thermographic survey template cover?
This template is built for infrared surveys of energized electrical equipment such as switchgear, panelboards, MCCs, transformers, disconnects, and feeder terminations. It also captures the facility, building, and area so you can scope the report to a specific room, line, or electrical distribution zone. If you need to inspect non-electrical assets, such as mechanical bearings or process equipment, this template should be customized rather than used as-is.
How often should a NETA thermographic survey be performed?
The right cadence depends on the criticality of the equipment, loading patterns, and your maintenance program. Many sites schedule surveys during routine preventive maintenance windows, seasonal peak-load periods, or after major electrical work. Use the template to record the date, load condition, and ambient conditions each time so results are comparable from one survey to the next.
Who should run this inspection?
A qualified thermographer or electrical inspector should perform the survey, with the inspector name and qualifications documented in the report. The person running the scan should understand electrical safety controls, scan limitations, and how to interpret delta-T findings without overcalling normal temperature differences. A site representative or responsible manager should review and sign off on the final report.
Does this template align with NETA and OSHA expectations?
Yes, it is structured to support ANSI/NETA MTS thermographic survey practices and to document the conditions needed for a defensible inspection record. It also helps capture the safety controls and access limitations that matter under OSHA electrical safety and general industry requirements. The template is not a substitute for a site-specific electrical safety program, but it supports the documentation those programs usually require.
What are the most common mistakes when using a thermographic survey report?
Common mistakes include scanning equipment under inconsistent load, failing to note ambient conditions, and recording a thermal image without a visible-light reference photo. Another frequent issue is leaving out the delta-T classification or the corrective priority, which makes the finding hard to act on. This template is designed to prevent those gaps by pairing each anomaly with the asset ID, measurement, image evidence, and follow-up date.
Can I customize the delta-T categories and corrective priorities?
Yes, and you should align them to your maintenance standards and risk criteria. Some sites use internal severity bands that map to immediate, urgent, or planned corrective action, while others follow NETA-style classification language. Keep the categories consistent across reports so trending and prioritization stay reliable.
How does this report fit into a maintenance or CMMS workflow?
The report can be used as the source document for work orders, corrective action tracking, and follow-up inspections. After the survey, the recommended corrective action and priority can be copied into your CMMS, while the photo evidence and asset identification help maintenance teams locate the issue quickly. If your system supports attachments, store the thermal and visible images with the work order record.
What should I do if access is blocked or an asset cannot be scanned safely?
Document the limitation in the scan conditions or closeout section instead of leaving the asset blank. Note the obstruction, missing access, or safety restriction, and assign a follow-up date if the asset still needs evaluation. That keeps the report honest and prevents missed assets from being mistaken for acceptable conditions.
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