Changes in the 2027 edition of NFPA 70E strengthen conformity-assessment requirements for arc-rated protective clothing, giving safety managers new reasons to understand the testing, documentation and quality systems behind the PPE their workers rely on.

Safety managers responsible for electrical safety programs have a new edition of NFPA 70E to contend with right now, even if the year printed on its cover suggests otherwise.

The 2027 edition of NFPA 70E, Standard for Electrical Safety in the Workplace, became effective May 6, 2026, superseding the 2024 edition. Its changes include tighter conformity-assessment requirements for electrical PPE, including arc-rated clothing.

That matters for employers buying flame-resistant and arc-rated protective clothing because it raises the bar for substantiating product claims.

And according to Brian Shiels, service line manager of the ArcWear Division of Kinectrics, safety managers may not yet realize the new requirements are already in effect.

"A lot of folks may not realize that the edition is already in force," Shiels says when asked about awareness of the changes.

Under the 2027 edition, a simple supplier self-declaration is no longer sufficient for affected PPE. Manufacturers have two primary paths.

The first path is a supplier declaration backed by testing from an accredited laboratory and a registered quality management system. The other is full third-party certification through an ISO/IEC 17065-accredited independent third-party certification organization.

"The conformity assessment of those products has changed," Shiels says. "A straight self-declaration of conformity is no longer allowed."

For manufacturers continuing to use a supplier declaration, Shiels says the underlying test data must come from an accredited testing laboratory, while the manufacturing operation must have a registered quality management system, such as one registered to ISO 9001.

For safety managers, the distinction matters because the requirements add controls behind PPE claims. The process now requires accredited laboratory testing with a registered quality system or accredited third-party certification.

According to Shiels, the final requirements represent a middle ground. Earlier draft language would have required PPE to be listed, pushing the standard closer to mandatory third-party certification.

The final standard does not go that far. Instead, Shiels says, it provides additional assurance while preserving multiple conformity-assessment pathways.

Why strengthen the requirements? "There's been a bit of a trust issue brewing," when it comes to PPE testing, Shiels says.

This article originally appeared in the October 2026 issue of Occupational Health & Safety.

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