Why Do Non-Electrical Workers Sometimes Need Arc-Rated Clothing?

Jeremy Gordon
Why Do Non-Electrical Workers Sometimes Need Arc-Rated Clothing?

Non-electrical workers sometimes need arc-rated clothing because arc flash risk depends on proximity to energized equipment, not job title - and roughly 70% of workplace electrical fatalities between 2011 and 2024 occurred in non-electrical occupations, according to data compiled by the Electrical Safety Foundation International from BLS and OSHA records. A maintenance tech, a laborer working near a panel, or a supervisor doing a walkthrough can all be inside an arc flash boundary without ever touching a wire themselves.

Key takeaways:

If I'm not an electrician, why would I ever be at risk of electrical hazards?

You'd be at risk any time your work takes you within a facility's arc flash boundary - the calculated distance from energized equipment at which incident energy still poses a second-degree burn risk. This can include walking past an open electrical panel during routine maintenance, working near equipment that's being serviced by someone else, or simply being present in a room where energized equipment is being worked on. Arc flash physics doesn't check job titles before an event occurs, and the data reflects that directly.

What kinds of roles show up in the fatality data?

Tree trimming occupations and heavy truck drivers are two of the roles the Electrical Safety Foundation International identifies as having a growing share of electrical fatalities, alongside more predictable categories like construction laborers working near overhead lines. None of these are electrical trades in the traditional sense, but all of them involve regular proximity to energized equipment or conductors as a routine part of the job.

Does every worker on a site needs arc-rated clothing?

No - it means exposure should be assessed by task and location, not assumed away by job description. A site's arc flash risk assessment should identify which zones and tasks carry arc flash exposure, and anyone entering those zones, regardless of their formal role, needs PPE matched to that exposure. A worker who never touches electrical equipment but regularly walks through a zone near it still needs to be covered by that same assessment.

How should a non-electrical worker's arc-rated clothing be selected?

The same way an electrician's would be: matched to the calculated incident energy or NFPA 70E category assigned to the specific zone or task, not selected informally because "better safe than sorry" feels sufficient. Under-protecting is an obvious risk, but significantly over-specifying also adds unnecessary cost and heat stress across a workforce where most individuals may only occasionally enter a higher-risk zone - the assessment should drive the decision either way.

Does wearing arc-rated clothing mean a non-electrical worker is now doing electrical work?

No. Wearing arc-rated PPE inside a documented hazard zone doesn't change a worker's qualifications or authorize them to perform electrical tasks - it simply protects them from the ambient risk of being present in that zone while qualified electrical workers do theirs. This distinction matters because it's sometimes misunderstood as PPE somehow expanding a worker's scope of duties, when it's really just matching protection to physical presence, independent of task authorization.

What's the practical takeaway for employers?

Arc flash risk assessments shouldn't stop at the electrical department's org chart. Anyone whose job regularly or occasionally puts them inside a documented arc flash boundary - maintenance, operations, supervisors, even visitors - needs to be accounted for in the same PPE matrix that covers licensed electricians.

Browse arc-rated FR workwear across construction, utilities, and industrial categories here.

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