Electrifying Insights: Why Your Inground Pool Is Shocking

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Swimming pools are undoubtedly one of the most refreshing and enjoyable things to have around your property during those hot summer days.

However, there is nothing more terrifying than diving into your inground pool, only to get an electric shock. You might be curious and wondering, “why does my inground pool shock me?”

There are several factors that could lead to this problem, ranging from faulty electrical wiring to improper grounding or even water chemistry imbalances.

In this blog post, we will explore some of the underlying causes of a shocking pool and what you can do to fix the issue.

Pool with an attached hot tub with a nice lounge area with patio furniture to sit in and eat at the table

1. Stray voltage: definition, causes, and dangers

What is Stray Voltage?

Stray voltage is essentially a voltage that travels through the earth, causing a small tingling or stinging sensation when a person enters the pool or touches a handrail or metal object.

It can be caused by many things, making it tough to pinpoint and address.

Causes of Stray Voltage

Cuts and nicks in buried lines, pool wiring, lights, speakers, stereos, or filters that aren’t installed properly are common causes of stray voltage in pools.

It can also seep into lakes and pools from nearby sources, making it completely invisible and extremely dangerous.

Dangers of Stray Voltage

Stray voltage in pools can cause paralysis and, ultimately, lead to drowning in extreme cases. It poses a serious risk to swimmers and pets that come in contact with it.

That’s why it’s crucial to identify and address the issue right away.

Why is Stray Voltage Relevant to Inground Pools?

Inground pools are vulnerable to stray voltage because of their electrical systems, metal components, and water environments.

It’s crucial to take steps to prevent stray voltage from causing harm to swimmers or pets in your inground pool.

Addressing Stray Voltage in Your Pool

Identifying and addressing stray voltage in your pool involves keeping your electrical wiring and components in good working condition, testing and inspecting your pool regularly, and consulting a professional electrician, especially if you suspect electrical issues.

Taking these steps can ensure safe, enjoyable swimming for you and your loved ones.

Overall, it’s clear that stray voltage poses significant risks to inground pools and swimmers alike.

By understanding the causes of stray voltage and taking steps to address it, you can prevent tragedies and ensure safe, enjoyable swimming for all.

2. Electrical wiring in pools: common hazards

When it comes to swimming pools, the electrical wiring might not be the first thing that comes to mind.

However, faulty electrical wiring can be a serious hazard that can cause electric shock or even electrocution.

Here are some common hazards that homeowners with inground pools should be aware of:

Old Wiring

If your pool was installed many years ago, there’s a chance the electrical wiring is outdated and not up to current safety standards.

Old or worn-out wiring can cause electrical shocks, so it’s important to have a professional inspect the wiring and make any necessary updates.

Damaged Wiring

Over time, electrical wiring can become damaged due to wear and tear. In particular, wiring in parts of the pool that are exposed to the elements can corrode and break down, creating a potential electric shock hazard.

Regular maintenance and inspections can help catch damaged wiring before it becomes a problem.

Improper Grounding

Proper grounding is essential to ensuring your pool’s electrical system is safe. Improper grounding can cause electrical current to flow through the water and potentially harm swimmers.

Make sure your pool’s electrical system is grounded correctly by having a professional inspect it.

By keeping an eye out for these common electrical hazards, homeowners can help ensure the safety of their inground pool.

Beyond electrical wiring, understanding the dangers of stray voltage, recognizing the risks of metal objects in close proximity to pools, and knowing the warning signs of electrocution can help swimmers avoid accidents and enjoy their pools safely.

3. The lesser-known danger of electric shock drowning

Electric Shock Drowning (ESD) is a dangerous phenomenon that occurs when an electrical current passes through the body in water, causing muscle paralysis and potentially drowning the person.

This lesser-known cause of drowning in pools and other freshwater bodies can be caused by a variety of factors, including faulty electrical installations, lighting hazards, bond and grounding issues, and more

To prevent ESD and combat this lesser-known danger, pool owners should be proactive in identifying and addressing issues related to electrical safety.

This means regularly checking for stray voltage in and around the pool, properly maintaining and updating electrical systems, avoiding low-level electrical currents in pool water, and educating themselves and others on the risks and prevention strategies associated with ESD.

By taking these steps, pool owners can help keep their family and friends safe while swimming, reducing the risk of injury and drowning due to electric shock.

Remember, while this danger may be lesser known, it is still a serious threat that demands attention and care to avoid.

4. Faulty bonding/grounding: a major cause of pool electrocutions

When it comes to pool safety, one of the most important things to consider is the bonding and grounding of pool equipment.

In fact, faulty bonding and grounding is a major causes of pool electrocutions. Here are some things to keep in mind:

1. Bonding and grounding ensure that all metal parts in and around the pool are at the same electrical potential, reducing the risk of electrocution.

This includes everything from the pool pump and filter to ladders and diving boards.

2. If these parts are not properly bonded and grounded, they can become energized and pose a serious threat to anyone in the pool.

3. Faulty bonding and grounding can occur due to a variety of factors, including poor installation, damage to equipment, or lack of maintenance.

4. To prevent this issue, it’s important to hire a professional electrician or pool contractor to ensure that all pool equipment is properly bonded and grounded.

5. Additionally, regular inspections and maintenance can help ensure that everything is in proper working order and reduce the risk of accidents.

By understanding the importance of bonding and grounding in pool safety, and taking proactive steps to address any issues, you can help keep your pool safe for everyone to enjoy.

5. Pool lighting hazards: what you need to know

If you have an inground pool, you probably have pool lighting as well. While lights add a beautiful ambiance to your pool at night, they can also be a hazard if not installed properly.

This section will provide you with five pool lighting hazards that you need to know about.

1. Electrical Hazards – Pool lights are powered by electricity, which can be dangerous if there is an electrical fault.

Faulty wiring can electrocute swimmers, causing serious injury or even death. Always hire a licensed electrician to install your pool lighting and have them inspected regularly to ensure they are functioning properly.

2. Water Hazards – Pool lights are submerged in water, which means they are exposed to moisture and can become corroded over time.

If water gets into the light fixture, it can cause an electrical short circuit or pose a risk of electrocution. Regular inspections and maintenance can prevent water-related hazards.

3. Chemical Hazards – Chlorine and other pool chemicals can be harsh on pool lighting, causing degradation and corrosion.

This can lead to electrical malfunctions, risking the safety of swimmers. Avoid over-chlorinating and ensure your lighting fixtures are made from materials that can withstand the chemicals used in your pool.

4. Elevated Hazards – High pool decks or elevated positions can increase the risk of electrical hazards from pool lighting.

If the lighting fixture is not properly grounded, a nearby ground fault or stray voltage can cause dangerous electrical shocks. Ensure proper grounding and pool bonding to mitigate the risk.

5. Human Errors – Human errors such as poor installation, mishandling or improper use of pool lighting can lead to hazards.

For example, DIY wiring, using non-approved equipment, using the wrong light bulbs, and poor maintenance can all lead to electrical shock or water hazards.

By understanding these hazards and taking appropriate measures to mitigate them, you can enjoy your pool lighting safely.

Remember, your safety should always come first – always consult with a licensed pool contractor or electrician before installing or servicing pool lighting.

6. Electrocution: risks associated with wet skin and surfaces

Swimming pools can be a source of fun and relaxation, but they also pose risks of electrocution.

In previous sections of this blog, we have discussed the dangers of electrical wiring, faulty bonding/grounding, and pool lighting hazards.

One common factor in all of these hazards is the presence of wet skin or surfaces. Here are some risks associated with this situation:

1. Electric shock drowning: As mentioned before, electric shock drowning (ESD) is a lesser-known danger in swimming pools.

ESD is caused by low-level electrical currents that pass through the water and shock the swimmers.

Wet skin greatly increases the conductivity of the water, making it easier for the currents to flow through the body.

If someone enters a pool with even a small amount of electrical current, the risk of ESD becomes very high.

2. Burns and secondary injuries: Electrical shocks can cause burns to the skin or even start fires in certain situations.

Wet surfaces increase the conductivity of electricity, increasing the likelihood of such incidents.

Additionally, if a swimmer were to receive an electrical shock, involuntary muscle contractions could lead to falls and other secondary injuries.

3. Proximity to metal objects: Metallic objects such as pool ladders or handrails can also be a source of electrical shocks.

Wet skin makes it easier for electrical currents to pass through the body when in contact with metal, increasing the risk of electrocution.

Swimmers should avoid touching metal objects while still wet, even on the pool deck or surrounding areas.

To prevent these risks, it is essential to be aware of the presence of electricity in and around the pool.

Keeping electrical equipment away from the pool, having regular inspections from electrical professionals, and maintaining proper bonding and grounding can minimize the hazards posed by swimming pools.

Lastly, always take care to dry off completely when leaving the pool and avoid contact with metallic objects until completely dry.

7. Feeling electricity flow: proximity to metal objects

When it comes to the dangers of electric shock in and around your swimming pool, proximity to metal objects can greatly increase your risk.

As mentioned in previous sections, bonding, and grounding are essential for minimizing the risk of stray electrical currents in the pool area.

However, even with proper bonding and grounding, you may still feel a shock when touching metal objects in or near the pool.

1. How does it happen?

If there is a break in the wiring or a malfunctioning electrical component in your pool, it can create a small electrical current in the water.

This current can be conducted through metal objects in or near the pool, such as ladder rails or handrails.

When you touch a metal object, the electrical current moves through your body, causing a feeling of electricity flowing through you.

2. Risks of proximity to metal objects

Feeling electricity flowing through your body may not cause immediate harm but can serve as a warning sign of stray electrical currents in the pool area.

The electric shock can cause muscle contractions, making it difficult to swim or even grab onto the sides of the pool for safety.

Prolonged exposure to stray electrical currents can cause burns, nerve damage or in some cases, even death.

3. What can you do?

To minimize your risk of electric shock, be cautious around metal objects in and around the pool. Avoid contacting metal objects or the water if you feel tingling or electricity flowing through you.

If you notice any damaged or faulty wiring or electrical components in or near the pool, turn off power to the pool area and call a licensed electrician for repairs.

4. Importance of proper maintenance

Regular maintenance and inspection of your pool’s electrical systems and components can prevent potential hazards.

Always hire professional and licensed electricians to diagnose, repair, or install any electrical systems in your pool or spa.

By being aware of the risks of proximity to metal objects and properly maintaining your pool’s electrical systems, you can enjoy your pool without fear of electric shock or injury.

8. Stray voltage: identifying and addressing the issue

Stray voltage is one of the most common culprits behind pool shock. This electrical phenomenon, caused by the presence of a grounded electrical conductor near the pool, can cause swimmers to experience tingling sensations or even electrical shocks.

To identify and address stray voltage issues, follow these tips:

  1. Get a professional electrician: The first step is to hire a professional electrician to inspect your pool wiring and identify any stray voltage sources.
  2. Perform a voltage test: A voltage test can measure the electrical potential between the pool water and the surrounding area, helping to pinpoint the location of stray voltage.
  3. Create equipotential bonding grids: Install equipotential bonding grids below the pool and deck to serve as a discharge point for any stray electricity.
  4. Install GFCI: Ground Fault Circuit Interrupter (GFCI) outlets can help prevent electrical shocks by detecting any imbalance in the electrical current.
  5. Maintain pool bonding: Make sure your pool bonding is up to code and properly maintained to ensure the electrical current is safely grounded.
  6. Address lighting and motor hazards: Inspect pool equipment and lighting for any signs of damage, wear, or aging, and replace or repair as necessary.
  7. Educate swimmers: Remind swimmers never to touch metal objects near the pool and to exit the water immediately if they feel any tingling sensations or shock.

By following these tips, you can identify and address stray voltage issues and ensure your pool is safe for you and your family to enjoy all summer long.

Can Electrifying Issues Cause Your Above Ground Pool to Bow?

When it comes to reasons above ground pool bowing, electrifying issues may play a role. If there are faulty electrical connections or power fluctuations near the pool, the soil around it may become energized. This can lead to electrolysis, causing corrosion and weakening the pool’s walls, eventually leading to bowing.

9. Electric shock drowning: causes and prevention

As mentioned earlier in the blog, electric shock drowning (ESD) can occur when an electrical current passes through water, causing paralysis or immediate death.

Here are some causes and ways to prevent ESD in your inground pool:


  • Faulty electrical installation: Incorrectly installed wiring can cause stray electrical currents or stray voltage in the water.
  • Low-level electrical currents: AC-powered appliances around the pool like pumps, lights, and heaters can also cause ESD.
  • Proximity to metal objects: Being in proximity to metal objects like boats, docks, and ladders can increase the risk of ESD.


  • Regular Inspection: Have your pool wiring and electrical appliances inspected by a licensed electrician to ensure they are installed and working correctly.
  • No swimming in marinas: Do not swim in bodies of water near marinas since electrical currents from boats can flow into the water.
  • Education: Educate yourself and pool users on ESD and its dangers to raise awareness.
  • Proper grounding and bonding: Install proper grounding and bonding systems for your pool and its electrical components to prevent stray voltage.
  • Turn off electricity: Turn off pool electricity before entering the water to reduce the risk of ESD.

Remember to take necessary precautions to keep yourself and others safe while enjoying your inground pool.

By being aware and following these prevention measures, you can greatly reduce the risk of electric shock drowning.

Stay safe and have fun!

Can the Presence of an Inground Pool Affect the Value of My Home?

Having an inground pool can impact your home’s value. Buyers may view it as a liability due to maintenance costs and safety concerns. If you’re considering removing your pool, look into the swimming pool removal process to weigh the potential benefits for your property’s value.

10. AC-powered water: the dangers of low-level electrical currents in pools

Low-level electrical currents in pools can pose serious dangers, especially when it comes to the safety of swimmers.

Even mild shock sensations can lead to panic and ultimately drowning. It is essential to understand the sources of low-level electrical currents in your pool and take adequate measures to prevent them.

Here are some tips to help you address this issue:

  1. Regularly inspect your pool’s electrical systems, including pumps, lights, heaters, and other components, to ensure their proper grounding and bonding. Faulty wiring or connections can result in low-level electrical currents running through the pool water.
  2. Avoid using extension cords or power strips near the pool area. Any electrical device that is not designed for outdoor use can malfunction and leak currents into the water.
  3. Turn off all electrical devices, including pool pumps and lights, when not in use. This will not only save energy but also reduce the risk of stray voltage buildup over time.
  4. Invest in low-voltage pool lighting options that run on safe DC current instead of standard AC current. This will significantly reduce the risk of electrical hazards related to pool lighting.
  5. Instruct pool users to avoid entering the water with open wounds, jewelry, or other metal objects that can conduct electricity.

By following these simple guidelines, you can minimize the risks associated with AC-powered water in your pool.

Don’t let electrical hazards spoil your summer fun- make your pool a safe and enjoyable environment for everyone!