NFPA 70E 2027: What Changed and What it Means for Your Program
Updated: Nov 2
The 2027 edition of NFPA 70E, Standard for Electrical Safety in the Workplace, became effective on May 6, 2026, replacing the 2024 edition. If you want the short version, our NFPA 70E 2027 changes page covers the handful of updates most facilities will feel first.
This post goes further. It walks through the changes section by section: what the new language actually requires, where the edge cases are, what to change in your program, and which "changes" you may have read about that never made it into the final standard.
Why the "2027" Edition is Already in Effect
NFPA publishes each edition ahead of the year in its name. The 2024 edition took effect in May 2023, and the 2027 edition followed the same pattern. The year on the cover is a label, not a deadline.
The effective date also isn't a regulatory compliance date. NFPA 70E is a consensus standard, and it reaches your facility in three ways: auditors and OSHA treating the current edition as recognized practice, a jurisdiction adopting it, or your own written electrical safety program. The third route is the one that catches people. If your program says it follows NFPA 70E without naming an edition, it now points to 2027.
A Required Additional Person for Certain Energized Work: 130.2(A)(2)
This is the change with headcount attached. Earlier editions only mentioned a second person in an informational note, leaving the decision to the employer. The 2027 edition moves it into the requirement text.
When it applies
The trigger has two parts, and both must be true:
An energized electrical work permit is required under 130.3, and
That permit specifies electric shock PPE, arc flash PPE, or both.
The second condition was added late in the revision cycle. The committee's reasoning was that needing a permit alone didn't tell you whether a second person was needed. Some early summaries describe the rule as applying to every permitted job. The final text is narrower.
Work that is exempt from a permit under 130.3(C) doesn't trigger the rule. That includes testing, troubleshooting and voltage measuring; thermography, ultrasound and visual inspection that don't cross the restricted approach boundary; access and egress with no electrical work; and general housekeeping outside the restricted approach boundary.
Who the additional person can be
The standard requires the additional person to meet the emergency response training in 110.4(C)(1), which covers contact release: safely freeing a victim from contact with energized parts. They don't need to be an electrician. Operators, supervisors, EHS staff and maintenance planners can all fill the role once trained.
In practice, contact release training on its own isn't enough to make someone useful in an emergency. A good backup person can also:
Recognize exposed energized parts, so they don't become a second victim during a rescue
Find and operate the disconnecting means for the equipment being worked on
Communicate with the worker during the task and call for help
Understand the specific equipment. A short walkthrough before the job ("it's energized here, here and here; if you have to pull me out, stay outside this line") goes a long way. Document it.
If the backup person is hurt during a rescue, the first question will be whether they were trained for it. Contact release training must be refreshed annually, so plan for that in your training calendar.
Where they stand
The additional person must be at, but outside, the limited approach boundary or the arc flash boundary, whichever is greater. Earlier draft language said, "in the vicinity of," which the committee replaced because it was too vague to enforce.
Pair this with the updated job safety planning guidance in 110.3(I)(1). A new informational note says the emergency response plan should cover roles during an electrical injury, and what happens if equipment is unintentionally de-energized during energized work. The additional person is a natural owner of that plan.
It's not the same as an attendant
130.8(O)(3) still requires an attendant where signs and barricades don't give enough warning. The attendant keeps unqualified people out of the area. The additional person is there for emergency response. Those are different jobs, and one person may not be able to do both at the same time.
Watch for an unintended consequence
Many facilities require permits for tasks that NFPA 70E exempts, such as troubleshooting with a meter. That's a good practice, because every permit forces a second look at the job. But if those internal permits also call for shock or arc flash PPE, your own policy may now require an additional person every time. Before relaxing a stricter permit policy to avoid the staffing hit, look at which permits genuinely need PPE and plan coverage around those. Single-electrician shifts are where this pinches hardest.
What to do:Â add an "Additional Person" field to your permit form with a name and contact release training date; build a pool of trained backups beyond your electricians; and agree with contractors, as part of the host and contract employer exchange in 110.5, on who supplies the additional person. Our 2027 update checklist includes the permit-form changes.
Qualified is Task and Equipment Specific: 110.4(A)
A wording change in the 2024 edition blurred an idea that had been in the standard for years. The 2027 edition restores it: a person can be qualified "with respect to certain equipment and tasks but unqualified for others."
Here's what that looks like on the floor. A machine operator trained to take voltage readings and replace fuses on their own machine can be qualified for exactly those tasks on that machine. That doesn't make them qualified to replace a motor starter, or to work on a different line across the building.
The revision also settles a recurring argument that only electricians can be qualified persons. Qualification comes from demonstrated skills and knowledge for a specific task and piece of equipment. That supports the operator-maintenance and multi-craft models many plants already use, and it widens the pool of people who can step in as the additional person described above.
Two smaller points: the qualified person must now be able to demonstrate how to test for the absence of voltage (aligning with the language in Article 120), and the subdivisions inside 110.4(A) were renumbered, so check any program references to specific 110.4(A) items.
What to do:Â replace blanket "qualified" checkboxes with qualification records that list the specific tasks and equipment each person is qualified for, and how they demonstrated it.
Training Must Be Documented: 105.3(A)(2) and 110.4(A)(6)
The employer responsibility now reads "provide and document" training in the employer's safety-related work practices and procedures. Documentation requirements already existed elsewhere in the standard, but 105.3(A) is the first place an auditor looks. "We trained them" without records is now a direct gap.
Acceptable documentation includes individual training records, retained certificates, or a training database that ties completions to your own practices and procedures.
One gap to watch:Â a recorded course played for a group, or a webinar with no individual logins, doesn't produce individual completion records on its own. If you go that route, the sign-in sheet and records are on you. In-person classes with a roster, and Herzig+ online training with individual logins, completion records and certificates, both close that gap. Either way, the records should feed into your overall safety documentation system rather than living somewhere separate.
Herzig+ gives every employee their own login, completion record, and certificate, so your documentation is ready when an auditor asks.
Hazards Below 50 Volts and the New Contact Thermal Hazard
Three related changes work together here.
110.2(B): The 2024 edition required an electrically safe work condition for conductors and circuit parts at 50 volts or more. The 2027 edition adds "or where an electrical hazard exists." The existing exception for work below 50 volts stays, as long as the capacity of the source and overcurrent protection are considered and there's no increased exposure to burns or arcs.
Article 100: The definition of electrical hazard now includes contact thermal burn alongside shock, arc flash burn and arc blast. A new definition of contact thermal hazard covers burns from touching a conductive object that is heating up as it carries current. That's how a low-voltage, high-current circuit, like a battery string, a dc bus or a large capacitor bank, gets pulled into the electrically safe work condition requirement.
130.7(C)(7)(e): Thermal hand protection is now required where a contact thermal hazard is possible. Rubber insulating gloves protect against shock, and leather protectors protect the rubber. Neither is thermal hand protection. Most glove programs don't have a thermal category at all, so this one needs a purchasing decision.
Don't mix up the two sets of thresholds. Chapter 1 still uses 50 volts. The dc thresholds in Chapter 3 apply to the special equipment covered there, such as batteries, PV and EDLCs. Both are covered in more detail in the Chapter 3 section below.
What to do: change your energized work decision from "is it over 50 volts?" to "is it over 50 volts, or does an electrical hazard exist?" Add thermal gloves to the PPE program for battery, UPS, PV, plating and dc drive work.
When a Zero-Volt Reading Isn't Proof: 120.5(B)(6) and 120.6
Some circuits are driven by current rather than voltage. The classic example is a current transformer secondary. Open-circuited, it can read close to zero volts, right up until someone breaks the loop and it develops a dangerous voltage. Series lighting circuits and constant-current drives behave in similar ways.
The 2027 edition adds a requirement for additional testing when the absence-of-voltage test alone doesn't show that conductors and equipment are de-energized. The informational note gives testing for the absence of current in current-driven circuits as the example. The same idea appears as a new exception to the verification step in 120.6. Under the 2024 wording, a zero reading on a meter technically satisfied that step. It no longer does in these cases.
Above 1,000 volts, the edition is also more honest about noncontact testers. Exception No. 2 to step 7 now says noncontact capacitive test instruments rated for the application can test for the absence of detectable voltage. A new note explains why: these instruments need a minimum voltage to operate, so they can't confirm zero volts. Under IEC 61243-1, a capacitive detector is only required to indicate when the voltage to earth is above roughly 45 percent of nominal. Treat the noncontact check as a screening step, and rely on temporary protective grounding for worker protection on medium and high voltage equipment. Our post on medium and high voltage training covers why that equipment needs extra care.
What to do:Â add a current-driven circuit branch to your electrically safe work condition procedure covering CT secondaries and similar circuits, list a clamp-on ammeter as required test equipment, and train on CT shorting practices.
Audits and Lockout/Tagout: 110.3(L), 120.3 and 120.4
The audit section now lists four audits instead of three, because the lockout/tagout audit was split in two.
Most facilities run one combined annual lockout/tagout audit. Under 2027, that annual audit satisfies the procedure audit only. You also need a documented program audit at least every three years. The simplest way to handle it is to add it to your existing three-year electrical safety program audit as its own section with its own sign-off.
The annual "field work audit" is now the work practices audit. The interval didn't change, but the wording clarifies what's being audited: how employees actually work against the employer's program. That includes performing risk assessments, job safety planning, selecting PPE from equipment labels, donning it correctly, establishing an electrically safe work condition and applying lockout/tagout.
Two lockout/tagout details also changed:
Control of energy (120.3(C))Â now says energy shall be controlled to "eliminate or minimize" exposure, putting elimination first.
Tagout devices (120.4(D))Â no longer have to be nylon cable ties. The attachment still has to withstand at least 50 pounds and be non-reusable and self-locking, but it must now be suitable for the environment where it's used. Paper or laminated tags in wet, caustic or outdoor locations deserve a second look.
For more on where lockout/tagout programs tend to break down, see Lockout Tagout: What Most Plants Get Wrong, or learn about our lockout/tagout program services.
One more program-level item: 110.3(C) on condition of maintenance now includes a note pointing to Informative Annex S, which in turn references NFPA 70B. Equipment maintenance affects how fast protective devices clear a fault, which affects incident energy, so this link between your safety program and your maintenance program matters.
PPE, Tools and Arc Flash Details: Article 130
PPE conformity (130.7(C)(14)):Â Arc-rated PPE can no longer rely on a supplier's self-declaration alone. Two paths remain: self-declaration backed by a registered quality management system and accredited lab testing, or certification by an accredited third party. PPE already marked under the old method is grandfathered. PPE labels must now also state the conformity assessment method used. Ask your supplier which path their gear uses before your next order.
Insulated tools (130.7(D)(1)): Tools must be insulated inside the restricted approach boundary or anywhere they present an electrical contact hazard. Think long screwdrivers, fish tapes, or a wrench on a battery terminal.
Battery arc flash likelihood (Table 130.5(C)(3)):Â A new row rates arc flash as not likely for work on battery equipment under 600 volts where exposed conductors are separated by more than 1 mm per volt. If you use it, measure and document the separation.
Altitude: The shock boundary tables now include a note that the restricted approach boundary is based on elevations up to 3,000 feet (900 m), with references for adjusting it at higher elevations. That's relevant for facilities in Denver and much of the Mountain West.
Third-party incident energy marking (130.5(F)):Â An informational note recognizes that some equipment is marked with third-party verified incident energy. It's informational only, not a PPE selection method.
Wording cleanup:Â "Maximum available fault current" is now "available fault current" throughout the PPE category tables, and their clearing times are clarified as applying within the instantaneous trip region.
Chapter 3: Batteries, Solar, and DC Systems Get Their Own Rules
Chapter 3 was reorganized by hazard, with three new articles and new numbers for almost everything else. If your battery room, capacitor or lab procedures cite Chapter 3 articles, they need updating.
Article 310, dc electrical hazards (new): Sets dc thresholds for the systems covered in Chapter 3: 1,000 W for contact thermal, 100 volts and 40 mA for shock, and 150 volts and 1.2 cal/cm² for arc flash. Above any of them, controls must be selected from the hierarchy of risk control.
Article 360, batteries:Â The battery risk assessment is now broken into four parts: chemical, contact thermal, electric shock and arc flash. The chemical assessment considers the battery's safety data sheet and calls for eyewash or drench facilities in the work area. A new section, 360.4, addresses establishing a lower-risk work condition, since batteries can't simply be switched off, including battery sectionalizing.
Article 370, electric double layer capacitors (new):Â Covers supercapacitors, which show up in UPS ride-through, cranes and hoists, and data centers. Unlike batteries, EDLCs can be fully discharged and put in an electrically safe work condition. A new Annex T explains their characteristics.
Article 380, photovoltaic systems (new):Â Requires a risk assessment before work on an energized PV array and prohibits work on exposed PV terminals above the shock or arc flash thresholds. For most commercial PV strings, that means live terminal work is off the table. Before handling connectors on an energized system, you need to know the maximum open-circuit voltage and the maximum current that would be interrupted, and procedures must address the risk of mismatched connections.
Article 330, electrical hazards from 1 Hz to 110 MHz:Â Formerly the power electronic equipment article, now organized by frequency, with a new requirement to train exposed workers on electromagnetic hazards. The former lasers article was deleted.
Battery rooms, UPS or solar on site? We can help you update procedures and risk assessments for the new Chapter 3 rules.
Other Changes Worth Knowing
Scope (90.3(A)(3)):Â Communications utility buildings that aren't part of the network infrastructure, such as offices, warehouses, garages and shops, are now clearly covered.
Definitions: "Competent person" was deleted. If your program or lab procedures assign that role, re-anchor it to a qualified person.
GFCI: GFCI requirements were consolidated into a new 110.8, and 110.7 now explicitly covers cord sets.
Test instruments (110.6(D)):Â Portable test instruments must be visually inspected for damage and removed from service until repaired if a defect could expose someone to injury.
Renumbering: The energized electrical work permit moved from 130.2 to 130.3, and the arc flash likelihood table is now Table 130.5(C)(3). Update permit forms, procedures and training slides that cite the old numbers.
What Didn't Change (and What You May Have Read)
For all the reorganizing, a lot carries forward unchanged: PPE categories, shock and arc flash boundary distances, the requirement to review your incident energy analysis and label data at least every five years, and rubber glove and sleeve test intervals. A large share of the edits are style cleanup, such as replacing vague words like "appropriate" with "applicable." Your arc flash study and labels don't need to be redone just because the edition changed.
A few proposals were debated during the revision cycle and dropped before publication. Some early articles still describe them as final.
How Herzig Can Help
Herzig Engineering helps facilities turn code changes into programs that hold up in the field and in an audit.
Electrical safety training updated for the 2027 edition, in person or through Herzig+, with individual completion records and certificates.
Contact release and additional person training for operators, supervisors and safety staff.
Program updates and on-site work practices audits for your electrical safety program, permits and procedures.
Arc flash studies and labeling, so your incident energy data stays current and consistent across sites.
Ready to get your training, program, and audits up to date for 2027? Call (816) 734-8300, or request a same-day quote below.
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