NFPA 70B Checklist

Use this NFPA 70B Checklist to verify Electrical Maintenance Programs cover equipment condition assessments, inspection records, infrared testing, and corrective action tracking.

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NFPA 70B Checklist



Electrical Maintenance Program (EMP) Documentation

1. A written Electrical Maintenance Program (EMP) is in place and covers all electrical equipment at this facility.


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2. The EMP identifies all personnel responsible for implementing each element of the program.


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3. The EMP includes a survey and analysis of all electrical equipment and systems to determine maintenance requirements and priorities.


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4. Documented maintenance procedures exist for each major equipment type covered by the program.


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5. The EMP includes a defined plan of inspections, servicing, and testing activities with assigned frequencies.


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6. A maintenance, equipment, and personnel documentation and records-retention policy is included in the EMP.


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7. The EMP includes a process for prescribing, implementing, and documenting corrective measures based on collected data.


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8. A program review and revision process is defined that incorporates equipment failures and inspection findings for continuous improvement.


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9. The EMP has been reviewed and updated within the last 12 months or following any significant change to electrical systems.


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Personnel Qualifications

1. All personnel performing electrical maintenance tasks are qualified persons as defined by NFPA 70B and NFPA 70E.


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2. Training records for all qualified electrical maintenance personnel are current and on file.


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3. Personnel performing energized electrical work have completed arc flash safety training appropriate to their tasks.


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4. Infrared thermography inspections are performed by a certified thermographer using calibrated thermal imaging equipment.


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5. Responsibilities for each element of the EMP are assigned to named individuals or roles within the organization.


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Single-line Diagrams And System Studies

1. Current single-line diagrams are available for all electrical distribution systems at this facility.


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2. Single-line diagrams have been updated to reflect any changes to the electrical system since the last review.


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3. A short-circuit study has been completed and is no more than five years old (NFPA 70B Section 6.3).


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4. A coordination study has been completed and is no more than five years old (NFPA 70B Section 6.4).


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5. An incident energy analysis (arc flash study) has been completed and is no more than five years old (NFPA 70B Section 6.7).


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6. Arc flash hazard labels are present on all electrical equipment required to be labeled per the incident energy analysis.


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7. Overcurrent protective device settings have been verified against the current coordination study.


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Equipment Condition Assessment (ECA)

1. An Equipment Condition Assessment has been completed for each piece of electrical equipment covered by the EMP.


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2. Each ECA accounts for the equipment's physical condition, criticality, and operating environment as the three determining factors per Chapter 9.


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3. The highest value among the three ECA factors is used to determine the maintenance interval for each piece of equipment.


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4. Maintenance intervals assigned to each piece of equipment are documented and traceable to the ECA outcome.


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5. Equipment condition decals or tags are applied post-maintenance to provide a visual indication of condition status.


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6. ECA records are retained and accessible for review by inspectors or auditors.


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Preventive Maintenance — Electrical Distribution Equipment

1. Switchgear and switchboards have been inspected and maintained within the interval required by their ECA rating per NFPA 70B Chapter 9.


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2. Circuit breakers have been visually inspected and operationally tested within the required interval; trip functions have been verified where required.


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3. Busbars and bus connections have been inspected for overheating, corrosion, and tightness within the required interval.


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4. Dry-type and liquid-filled transformers have been inspected and tested within the required interval.


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5. Motor Control Centers (MCCs) have been inspected, cleaned, and tested within the required interval.


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6. Panelboards and load centers have been inspected within the required interval.


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7. Automatic transfer switches (ATS) have been tested and maintained within the required interval.


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8. UPS systems have been inspected and battery condition assessed within the required interval.


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9. Cables and wiring have been visually inspected and insulation resistance tested as required by the ECA maintenance schedule.


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10. Grounding and bonding systems have been inspected and tested within the required interval.


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Infrared Thermography

1. An infrared thermography inspection of all energized electrical equipment has been completed within the past 12 months.


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2. The infrared inspection was performed by a qualified thermographer using calibrated thermal imaging equipment.


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3. All thermal anomalies identified during the inspection are documented with equipment location, temperature differential, and severity classification.


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4. A written infrared inspection report has been produced and retained on file.


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5. Corrective actions for all identified thermal anomalies have been prioritized, assigned, and tracked through to resolution.


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6. Follow-up infrared verification scans have been completed for repaired equipment where required.


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Predictive And Condition-Based Maintenance

1. Condition-based maintenance (CBM) principles are applied to the EMP in place of or in addition to fixed-interval time-based schedules.


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2. Ultrasonic testing is used to detect partial discharge, corona, and mechanical defects in electrical equipment where applicable.


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3. Oil sampling and analysis is performed on liquid-filled transformers within the required interval where applicable.


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4. Equipment performance data (operating temperatures, current readings, vibration) is recorded and trended over time.


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5. Any continuous monitoring systems installed on critical electrical equipment are operational and data is reviewed at defined intervals.


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6. Predictive maintenance findings are incorporated into corrective action and maintenance scheduling processes.


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Documentation And Records

1. Maintenance records are retained for all inspections, servicing, and tests performed under the EMP.


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2. Each maintenance record includes the date, equipment identifier, tasks performed, findings, and name of the qualified person who completed the work.


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3. Equipment history logs are maintained and accessible for each major piece of electrical equipment.


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4. Corrective actions identified through inspections or testing are logged, assigned an owner, and tracked to closure.


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5. Records of all system studies (short-circuit, coordination, arc flash) are retained and available on site.


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6. Documentation is sufficient to demonstrate active compliance with NFPA 70B requirements to inspectors, insurers, or auditors.


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Program Review And Continuous Improvement

1. The EMP has been formally reviewed within the defined review interval and findings have been documented.


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2. Equipment failures and near-miss events have been analyzed and findings incorporated into the EMP.


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3. Maintenance intervals are reviewed and adjusted following equipment failures, changes in operating conditions, or significant changes to the electrical system.


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4. The EMP review process includes input from qualified maintenance personnel and relevant stakeholders.


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5. Open corrective actions from previous EMP reviews or inspections are tracked and have defined target completion dates.


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Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

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