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Home›Courses›Safety Training›Ground Fault Circuit Interrupter (GFCI) Online Training

Ground Fault Circuit Interrupter (GFCI) Online Training

21 minutesENSafety Training29 CFR 1926.404 (Construction), 29 CFR 1910.304 (General Industry)
Quick Answer

Ground Fault Circuit Interrupter (GFCI) is a 21-minute online course that teaches employees how ground fault circuit interrupters work, why they are required, and how to properly use, test, and maintain them as required by OSHA standards 29 CFR 1926.404 (construction) and 29 CFR 1910.304 (general industry). It is designed for construction workers, maintenance personnel, and anyone using portable electrical equipment, and includes a downloadable certificate of completion.

Course Overview

Electrocution is one of OSHA's Fatal Four hazards in the construction industry, and contact with electricity caused over 2,070 workplace fatalities between 2011 and 2024 according to the Electrical Safety Foundation International. Ground fault circuit interrupters are designed to prevent these deaths by detecting current leakage as small as 5 milliamperes and shutting off power within 1/40 of a second. OSHA requires GFCI protection on all construction sites under 29 CFR 1926.404(b)(1) and in specific general industry locations under 29 CFR 1910.304. OSHA has stated that proper GFCI use on construction sites could reduce electrocution fatalities by half.

This course trains your employees to understand how GFCIs protect against ground faults, identify the different types of GFCI devices, and follow proper testing and maintenance procedures. Your team will learn when GFCI protection is required by OSHA, the difference between GFCI protection and an Assured Equipment Grounding Conductor Program, and how to recognize the warning signs of a ground fault before it causes injury. The training covers receptacle-type, portable, and cord-connected GFCIs used across construction and industrial settings.

What You'll Learn

  • How ground faults occur and why they are the most common form of electrical shock hazard
  • How GFCIs detect current imbalances and interrupt power to prevent electrocution
  • OSHA GFCI requirements for construction sites under 29 CFR 1926.404(b)(1)
  • OSHA GFCI requirements for general industry under 29 CFR 1910.304
  • Types of GFCIs: receptacle-type, portable, cord-connected, and circuit breaker models
  • GFCI testing and maintenance procedures, including daily test requirements for construction sites
  • The Assured Equipment Grounding Conductor Program as an alternative to GFCIs on construction sites
  • Recognizing electrical hazards that indicate a potential ground fault condition

Who Needs This Training

  • Construction workers using portable power tools and cord-connected equipment on jobsites
  • Electricians and electrical maintenance personnel responsible for GFCI installation and testing
  • Maintenance workers using power tools in wet or damp environments
  • Facility managers and site supervisors responsible for electrical safety compliance
  • General industry employees working in areas where GFCI protection is required, such as bathrooms and rooftops
  • Safety managers developing or maintaining electrical safety programs

Regulatory Background

OSHA mandates ground fault protection through two primary standards. In construction, 29 CFR 1926.404(b)(1) requires employers to use either GFCIs or an Assured Equipment Grounding Conductor Program to protect all employees from ground fault hazards, with no voltage limitation on this requirement. All 120-volt, single-phase, 15- and 20-ampere receptacle outlets on construction sites that are not part of permanent wiring must have approved GFCI protection. In general industry, 29 CFR 1910.304 requires GFCI protection for all 125-volt receptacles in bathrooms, on rooftops, and during temporary wiring for construction-like activities. Electrocution is one of OSHA's Fatal Four construction hazards, and the construction industry recorded 907 electrical fatalities between 2011 and 2024. Serious electrical safety violations carry penalties up to $16,550 per incident, while willful violations can reach $165,514.

Frequently Asked Questions

Yes. Under 29 CFR 1926.404(b)(1)(i), employers must provide ground fault protection on all construction sites through either GFCIs or an Assured Equipment Grounding Conductor Program (AEGCP). If the employer chooses GFCIs, all 120-volt, single-phase, 15- and 20-ampere receptacle outlets not part of permanent wiring must have approved GFCI protection. OSHA has noted there is no voltage limit to the ground fault protection requirement - it applies to higher-voltage circuits as well.
OSHA does not explicitly mandate a specific GFCI testing schedule, but manufacturer guidelines and industry best practice call for testing portable GFCIs before each day's use using the built-in test button. Fixed GFCIs should be tested monthly. For construction sites using an Assured Equipment Grounding Conductor Program, OSHA requires documented electrical continuity testing of all cord sets, receptacles, and cord-connected equipment, along with daily visual inspections before use.
A GFCI is a device that detects ground fault current leakage and shuts off power within milliseconds. An Assured Equipment Grounding Conductor Program (AEGCP) is an alternative compliance option under 29 CFR 1926.404(b)(1)(iii) that requires regular electrical continuity testing, daily visual inspections, written program documentation, and a designated competent person to administer the program. The AEGCP is more administratively burdensome, and OSHA's letters of interpretation suggest that GFCI protection is the more straightforward path to compliance.
Yes. Simply having a GFCI installed does not guarantee compliance. If the device is damaged, malfunctioning, or has not been tested and maintained, OSHA can cite the employer for failing to provide adequate ground fault protection. Any electrical equipment that shows evidence of damage or defects must be removed from service immediately and cannot be used until repairs and safety testing are completed.
OSHA does not prescribe a specific training format for electrical safety. Online interactive training can provide the foundational knowledge employees need to understand GFCI function, testing, and requirements. However, employers should supplement online training with hands-on instruction covering the specific GFCI equipment used at their worksite, proper testing procedures with actual devices, and site-specific electrical hazard identification.

Related Courses

Employers building a comprehensive electrical safety program often pair this GFCI training with Working with Electricity: Basic Electrical Safety for foundational electrical hazard awareness and Electrical Safety: Arc Flash Prevention to address high-energy electrical hazards in industrial settings.

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$24.95
per person
Volume Pricing
Team Size Price per Person
1 - 9$24.95
10 - 24$19.95
25 - 49$17.95
50 - 99$17.50
Subtotal $24.95

Certificate of completion included. Downloadable upon passing the final assessment.

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$24.95
per person