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Electric Shock Drowning (ESD)

Electric Shock Drowning (ESD) is a tragic phenomenon that occurs when low level AC current is "leaked" into the water. When enough of the current passes through an unsuspecting swimmer's body, it can cause a range of effects from slight tingling to paralysis (leading to drowning) or electrocution. Fatalities are often misdiagnosed because of the lack of evidence.

ABYC's main mission in boating safety is to eliminate the risks of the injuries associated with electrical leakage by developing standards that can prevent the leakage from occurring and by educating boaters of the risks of electricity and water. Below you will find a collection of webinars and online learning courses that can help you better understand the topic and hopefully prevent an injury from ever happening.


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Description


Join veteran ABYC Adjunct Instructor and Master Electrician Kevin Ritz in an eye opening webinar covering a topic every marine technician, marina operator, boater and everyone in between should be familiar with. Electric Shock Drowning (ESD) is a preventable accident in which a swimmer is exposed to electricity leaking into the water through a boat, dock or other type of power source, rendering the swimmer incapable of actively swimming and thereby drowning.

You will hear a few case studies of fatalities that have occurred as well as take a look at preventative measures and wiring practices that will keep this tragedy from happening.



Course Details

Course Length: 135 Minutes
Member Price: FREE
Non-Member Price: FREE
CEUs: 1.6


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Sample


Description


Join Ed Sherman and Rob Berenwick on the dock to perform some dock pedestal testing. Using a couple of different meters, we test various types of voltage (Peak, RMS, between H-N-G, etc), voltage drop, ground integrity, short circuit current, the functionality of the available GFCIs and leakage current.

Many of these tests are required by the National Electric Code to be performed annually on docks at marinas, so this is an intensive look at some of the tests needed as well as an analysis of what findings could be and symptoms that a boater may witness onboard.



Course Details

Course Length: 40 Minutes
Member Price: 33.99
Non-Member Price: $37.99
CEUs: .8


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Sample


Description

The National Fire Protection Association (NFPA) has made some significant changes to the current 2017 National Electric Code (NEC) that will affect the marina industry. ABYC members are invited to a free webinar led by Gary Loftis, Senior Electrical Engineer with Maffett Loftis Engineering, where he will:

  • Explain the new definitions and how they impact the marina’s electrical systems
  • Break down and explain the language of the Tentative Interim Amendment’s Ground-Fault Protection (GFP) requirements
  • Explain where GFP is and is not required in the marina’s electrical system and the required trip levels of the GFP device
  • Explain and provide examples of GFP coordination
  • Explain the differences between Ground Fault Circuit interrupter (GFCI) and GFP


Course Details

Course Length: 1:20
Member Price: $FREE
Non-Member Price: $34.99
CEUs: 1.4

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Description

This webinar from ABYC's Education Vice President Ed Sherman discusses dock wiring, some common test procedures and how AC ground faults could contribute to Electric Shock Drownings (ESD).

This webinar was originally recorded in 2014. and some National Electric Code requirements and ABYC standards have been revised since then. It is recommended that you seek out the up to date requirements before performing any work and always seek out a qualified electrician for dock work.



Course Details

Course Length:1:15
Member Price: FREE
Non-Member Price: $9.99
CEUs: 1.3

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