Skip to content
Home >> Plumbing >> Pipes >> Can Lightning Travel Through PVC Pipes?

Can Lightning Travel Through PVC Pipes?

Lightning is an electric discharge that can travel through materials that conduct electricity. Polyvinyl chloride (PVC) is a type of plastic commonly used in plumbing systems due to its durability, affordability, and ease of installation. It is often assumed that lightning cannot travel through it. But is this really the case?

Can lightning travel through a PVC pipe? Yes. Lightning can travel through PVC pipes. This is because lightning can create a high voltage potential that can break down the insulating properties of PVC.

In this blog post, we will explore this question and provide you with valuable information on PVC pipes and lightning.

Can Lightning Travel Through PVC?

Yes. Lightning can travel through PVC even though PVC is not a good conductor of electricity. This is because lightning can create a high voltage potential that can break down the insulating properties of PVC.

can lightning travel through pvc pipes

The lightning strike can create a conductive path through the PVC pipe and potentially cause damage to the plumbing system. In addition to this, lightning can also create a conductive plasma channel around the outside of the PVC pipe.

This plasma channel can ionize the air inside the pipe and create a path of ionized air that the lightning can follow. This ionized air can also heat up and cause the PVC pipe to melt, which can cause further damage.

How Lightning Travels And Its Properties

Lightning is formed when there is a buildup of electric charges in the atmosphere. This buildup is caused by the separation of positive and negative charges in the clouds.

As these charges build up, they create a voltage potential between the clouds and the ground. When this potential becomes large enough, it can cause a discharge of electricity, which is the lightning bolt.

The lightning bolt travels through the atmosphere at a speed of approximately 270,000 miles per hour. This speed is so fast that it creates a shock wave that we hear as thunder.

The lightning bolt is extremely hot, with temperatures reaching up to 30,000 degrees Celsius. This heat is what causes the air around the lightning bolt to rapidly expand, creating the sound of thunder.

Factors That Causes Lightning Traveling Through PVC

Here are some of the key factors that can contribute to lightning traveling through PVC pipes:

Proximity To Lightning Strike

The closer a PVC pipe is to the point of a lightning strike, the more likely it is to conduct the electrical current. This is because the voltage gradient, or rate of change in voltage, is highest near the strike point.

Presence of Conductive Materials

PVC pipes that are near other conductive materials, such as metal pipes, wires, or buildings, are more likely to conduct lightning. This is because lightning will follow the path of least resistance to the ground, and conductive materials provide an easier pathway for the electrical current.

Material of PVC Pipes

PVC pipes that are reinforced with metal or have metal fittings are more conductive than pipes made entirely of plastic. Additionally, the thickness and quality of the PVC material can affect its conductivity.

Air Ionization

When lightning strikes, it ionizes the air around it, creating a plasma channel that can conduct electrical current. This ionization can occur inside PVC pipes as well, creating a pathway for the lightning to travel through.

Moisture Content

PVC pipes that have moisture inside them are more likely to conduct lightning than dry pipes. This is because moisture can create a conductive pathway for the electrical current. Hence, it’s important to avoid contact with water during thunderstorms, as it can increase the risk of electrical shock.

How Lightning Can Ionize The Air Inside PVC Pipes

When lightning strikes the ground, it can create a large electrical field that can induce an electrical current in nearby objects, including PVC pipes. This can cause the air inside the pipes to become ionized.

When lightning strikes near PVC pipes, the high voltage and intense heat of the lightning discharge. This causes electrons to be stripped away from atoms in the air inside the pipes.

Thus, it creates a large number of ions, which can then act as a conductive pathway for the electrical current to travel through. As a result, lightning can travel through PVC pipes by ionizing the air inside them.

Accordingly, while lightning can ionize the air inside PVC pipes, the probability of this occurring is relatively low.

Risk Of Light Traveling Through PVC Pipes

If lightning passes through PVC pipes, it can pose a significant danger to people and property. Here are some of the potential risks associated with lightning passing through PVC pipes:

#1 Electrical Shock: Lightning carries a massive amount of electrical energy. That can cause severe electric shocks to anyone in contact with the PVC pipes or any other conductive material that is connected to them.

#2. Fire: Lightning can cause PVC pipes to heat up and melt, which can lead to fires in homes and other structures.

#3. Explosion: Lightning passing through PVC pipes can also cause them to rupture or explode, leading to potentially catastrophic consequences.

#4. Damage to Electrical Appliances: Lightning passing through PVC pipes can damage electrical appliances and other electronic devices that are connected to them, leading to costly repairs or replacements.

#5. Health Risks: Lightning passing through PVC pipes can also cause the release of harmful chemicals, such as chlorine gas. This poses serious health risks to people in the area.

Tips On How To Minimize Lightning  Travel Through PVC Pipes

Here are some ways to minimize the risk of lightning traveling through PVC pipes:

  • Proper grounding of PVC pipes can help minimize the risk of electrical damage from lightning strikes
  • Installing surge protection devices can help to prevent electrical surges from entering the PVC pipes
  • Install lightning protection systems to divert the lightning strikes away from the PVC pipes
  • Avoid Metal Connections between PVC pipes and other conductive materials, such as metal water pipes or electrical wires
  • During thunderstorms, it’s best to stay indoors. Also, avoid using electrical appliances or plumbing fixtures, as these can increase the risk of lightning passing through PVC pipes and causing damage
  • It’s always best to consult with a professional electrician or lightning protection specialist


Some frequently asked questions on lightning travel through PVC and answers to them.

Q: Can Lightning Strike Through the Toilet?

Yes, lightning can strike through a toilet. Lightning can travel through plumbing, and there have been instances where toilets have been damaged or exploded due to lightning strikes.

It is advisable not to use the shower, tub, or wash dishes during an electrical storm. It is also recommended to avoid sitting on the toilet during a thunderstorm.

Q: What Material Can Stop Lightning?

Copper and its alloys are the most common materials used in lightning protection. However, lightning can damage structures made of most materials, such as masonry, wood, concrete, and steel. This is because the huge currents and voltages involved can heat materials to high temperatures.

Q: Can Lightning Travel Through a Roof?

Yes, lightning can go through a roof. A lightning bolt can easily punch a hole through a roof, damage the structures underneath, or dislodge tiles. This can leave your roof and the space below exposed to the elements, which can be disastrous. Lightning will typically hit the highest point of your home, which is your roof, and split up in several paths to reach the ground

Final Words

Lightning can travel through PVC pipes due to the ionization of air inside the pipes and the creation of a conductive plasma channel around the pipes. While the risk of lightning striking PVC pipes is low, it is important to take safety precautions during thunderstorms, such as being away from electronics and plumbing.

Protecting your home with lightning rods and surge protectors can also reduce the risk of damage from lightning strikes. Remember to prepare during thunderstorms to minimize the risk of injury or damage.