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Working Safely in Wet Environments with Electricity

Electrocution | OSHA Fatal Four

The Problem

Electricity is unforgiving, especially in wet environments. Water conducts electricity, which increases the risk of electric shock, burns, and even fatalities. Whether it’s rain, high humidity, or wet surfaces, working in these conditions poses serious dangers. Today, we’ll discuss how to identify hazards, follow safety precautions, and comply with OSHA guidelines to stay safe.

Identify the Hazards

  • Electric Shock: Water lowers electrical resistance, increasing the likelihood of shock when equipment or cables are exposed to moisture.
  • Damaged Equipment: Wet conditions can corrode equipment or damage insulation, exposing live parts.
  • Slips and Falls: Wet surfaces can cause accidents, compounding electrical hazards.‍
  • Unintentional Contact: Wet gloves or boots can conduct electricity, putting workers at greater risk.

Safety Practices and Preventative Measures

  1. Inspect Equipment Before Use:

    • Check cords, plugs, and equipment for damage, especially for signs of water exposure.
    • Do not use tools or equipment that are wet unless they are rated for wet conditions.
  2. Use Ground Fault Circuit Interrupters (GFCIs):

    • Always plug tools and equipment into GFCI-protected outlets to reduce the risk of shock.
    • Test the GFCI before use to ensure it’s functioning correctly.
  3. Wear Proper Personal Protective Equipment (PPE):

    • Use rubber-insulated gloves and boots designed for electrical work.
    • Wear non-slip footwear to prevent falls on wet surfaces.
  4. Use Insulating Mats and Barriers:

    • Stand on dry, insulating mats or platforms when working with electricity in wet areas.
    • Ensure barriers are in place to prevent water from reaching electrical components.
  5. Dry Equipment and Tools Thoroughly:

    • If tools or equipment get wet, dry them completely before use. Have them inspected and tested by a qualified technician if necessary.
  6. Limit Exposure to Wet Conditions:

    • Avoid working with electricity in heavy rain, standing water, or other high-risk wet environments unless absolutely necessary.
    • Use portable shelters or covers to protect equipment from rain or moisture.
  7. Report Hazards Immediately:

    • If you notice water near electrical panels, outlets, or tools, stop work immediately and report the condition to your supervisor.

Real-Life Case or Scenario

Where possible, use an actual incident that you have experienced or been involved in.

E.g. In a recent incident, a worker using an electric drill outdoors during light rain suffered a severe shock. The drill wasn’t rated for wet conditions, and the outlet lacked GFCI protection. The worker was hospitalized but survived. This accident could have been avoided with proper precautions, like using GFCI protection and rated tools.

Employee Responsibilities

  • Inspect all tools and equipment before use, especially in wet conditions.
  • Use GFCIs and test them regularly.
  • Wear appropriate PPE for wet environments.
  • Avoid using damaged or wet tools, and report hazards immediately.

Employer Responsibilities

  • Provide GFCI protection for all outlets.
  • Supply appropriate PPE and tools rated for wet conditions.
  • Ensure employees are trained on the hazards of working with electricity in wet environments.
  • Maintain and inspect electrical equipment regularly.

Discussion & Questions

  • "What types of electrical hazards have you encountered while working in wet conditions?"
  • "Does anyone know how to test a GFCI? Let’s review that together."
  • Encourage employees to share their concerns or experiences with similar situations.

Commitment/Action Plan

Let’s commit to inspecting all tools and using GFCI protection every time we work in wet environments. Starting today, take a few extra moments to ensure all electrical equipment is safe and dry before starting work.

Wrap-Up

Electricity and water are a dangerous combination, but by following these safety practices, we can prevent accidents and injuries. Thank you for prioritizing safety on the job site. Remember, it only takes a small mistake for a big accident to happen—stay alert and stay safe.

Standards Overview

  • OSHA’s Electrical Safety Standards (29 CFR 1910 Subpart S and 1926 Subpart K) require special precautions when working with electricity in wet or damp environments.
  • Employers must provide safe tools, equipment, and procedures to reduce the risk of electric shock in wet conditions.
OSHA Occupational Safety and Health Administration

Legal Disclaimer

This toolbox talk is provided for informational and educational purposes only. It is not intended to be a substitute for professional legal, safety, or regulatory advice. The information presented is based on best practices and general industry standards but may not apply to all workplace situations.
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It is the responsibility of the employer, supervisors, and workers to ensure compliance with applicable federal, state, and local laws, regulations, and standards. The authors, presenters, and distributors of this toolbox talk assume no liability for the use or application of the information provided.
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Participants are encouraged to consult appropriate legal, safety, or regulatory professionals to address specific concerns or questions. Always follow your organization's policies and procedures for workplace safety and hazard mitigation.

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