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Toolbox Talks topic

Electrical Safety Toolbox Talks

Electrical safety toolbox talks on hidden hazards in older buildings, GFCIs and circuit breakers, arc flash and electrical PPE, lockout/tagout, emergency stops and electrical emergency planning. Short, practical talks for qualified and unqualified workers alike.

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Latest: June 1, 2026

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Quick answers

Electrical questions

Short answers for supervisors and safety leads.

When are GFCIs required on construction sites?

Under 29 CFR 1926.404(b)(1), employers must protect workers who use 120-volt, single-phase, 15- and 20-amp receptacle outlets that are not part of the building’s permanent wiring, using either ground-fault circuit interrupters or an assured equipment grounding conductor program.

What is the difference between qualified and unqualified workers?

A qualified person has been trained in, and has shown the skills and knowledge for, the specific electrical equipment they work on and its hazards. Only qualified persons may work on or near exposed energized parts. Other workers must keep a safe distance and be trained in the electrical safety practices for their jobs (29 CFR 1910.332, 1910.333 and 1910.399).

When is lockout/tagout required?

Lockout/tagout (29 CFR 1910.147) applies during servicing and maintenance when the unexpected start-up of a machine or release of stored energy could injure workers. Machines must be isolated from their energy sources before work begins. Lockout is the default; tagout alone may be used only where a device cannot be locked out or the employer can show tagout gives equivalent protection (1910.147(c)(2)–(3)).

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