For years, electrical maintenance standards often lived in a gray area. Facility managers understood the importance of routine inspections and preventative maintenance, but many recommendations were viewed as best practices rather than obligations. That changed with the latest edition of NFPA 70B.
The difference comes down to two simple words: "should" and "shall."
In standards and codes, "should" suggests a recommendation. "Shall" creates a requirement. With NFPA 70B transitioning from a recommended practice to a mandatory enforceable standard, organizations across industries are now facing a new reality: electrical maintenance is no longer optional—it is an essential component of compliance, electrical safety, and risk mitigation.
Understanding what this shift means can help facilities avoid costly downtime, improve facility safety, and ensure they are prepared for future inspections, audits, and insurance requirements.
Historically, NFPA 70B provided guidance for establishing an effective electrical maintenance program. While many organizations followed its recommendations, compliance was largely voluntary.
Today, NFPA 70B has evolved into a standard that contains mandatory language. This means facility owners and managers must be able to demonstrate that electrical systems are being maintained according to documented procedures and schedules.
The purpose of NFPA 70B is straightforward: properly maintained electrical equipment operates more reliably, lasts longer, and presents fewer safety hazards. Electrical failures often develop gradually through loose connections, overloaded circuits, deteriorating insulation, moisture intrusion, or aging equipment. Without a structured maintenance program, these issues can remain undetected until they result in equipment failure, fire, injury, or costly downtime.
For organizations that rely on uninterrupted operations—whether schools, municipalities, manufacturing facilities, healthcare campuses, or commercial buildings—the stakes are high. Compliance with NFPA 70B is increasingly becoming a key component of both operational reliability and overall risk mitigation.
In addition, many organizations are discovering that compliance intersects with evolving insurance requirements. Insurance carriers are paying closer attention to documented maintenance practices as they evaluate risk exposure. Facilities without evidence of proper maintenance may face increased scrutiny following an incident.
A successful electrical maintenance program is much more than a checklist. It is a comprehensive strategy designed to identify hidden risks before they become major problems.
NFPA 70B emphasizes routine inspections, testing, monitoring, and maintenance activities that help facilities maintain safe and reliable electrical systems. These activities can include:
Among these tools, infrared thermography has become one of the most valuable technologies available to facility managers. Thermal imaging allows maintenance teams to identify abnormal heat patterns in electrical equipment without interrupting operations. Hot spots can indicate loose connections, overloaded circuits, deteriorating components, or other developing issues that may not be visible during a standard inspection.
By identifying these conditions early, facilities can address problems before they escalate into equipment failures, safety incidents, or unplanned outages.
A strong preventative maintenance program also supports broader facility goals, including:
Simply put, proactive maintenance costs significantly less than emergency repairs and operational disruptions.
One of the most significant aspects of the NFPA 70B standard is its emphasis on documentation.
Performing maintenance is important—but being able to prove it is equally critical.
Facilities must maintain detailed records that demonstrate electrical systems are being inspected, tested, and maintained according to established procedures. Documentation serves several important purposes:
If an authority having jurisdiction (AHJ), insurer, or regulatory body requests evidence of compliance, maintenance records provide the necessary documentation to show that required activities have been completed.
Accurate records help identify recurring issues, equipment trends, and emerging concerns before they become significant failures. Historical data can also improve maintenance planning and budgeting decisions.
Following an electrical incident, insurers often request maintenance documentation. Comprehensive records can help demonstrate that the organization exercised due diligence and followed recognized industry standards.
Maintenance records create accountability and consistency. Facilities can verify that inspections are performed on schedule and that corrective actions are completed promptly.
Without proper documentation, organizations may struggle to demonstrate compliance—even if maintenance work was performed.
The reality is simple: if it isn't documented, it may be difficult to prove it happened.
The transition of NFPA 70B into a mandatory enforceable standard signals a broader shift toward proactive electrical system management.
Facility managers who view compliance as an opportunity rather than a burden will be better positioned to improve reliability, enhance safety, and reduce operational risk. By implementing a comprehensive electrical maintenance program, leveraging technologies like infrared thermography, and maintaining accurate records, facilities can strengthen both compliance and performance.
The question is no longer whether organizations should maintain their electrical systems.
Under NFPA 70B, they shall.
Henderson Services helps districts take the guesswork out of NFPA 70B compliance. Our experienced team can evaluate your current electrical maintenance program, identify potential gaps, and provide practical recommendations to support long-term compliance and facility safety.
Schedule an NFPA 70B Readiness Audit today and gain confidence that your facility is prepared for the evolving requirements of NFPA 70B.