Trystan Casey
If you need to detect electric lines, there are a few different options available to you. If you are planning a digging project, it is important to call 811 before you start to avoid striking buried electrical lines, which could be dangerous and costly. This will connect you with local utility companies that can mark the approximate locations of public underground utilities. If you are trying to detect electric lines that may be down or causing an electrical outage, you should call 911 and then your local power company. If you are looking for a more advanced method of detecting electric lines, ground-penetrating radar (GPR) and electromagnetic (EM) locating are effective methods for detecting underground utilities.
| Characteristics | Values |
|---|---|
| If you see downed power lines | Call 911 and then call your local power company |
| If you see tree branches or limbs near power lines | Use PG&E Report It |
| If you hit a pole during a car accident | Stay in your car and call 911 |
| If you want to detect buried electrical lines | Call 811 before starting any digging project |
| If your circuit breaker trips repeatedly | Call an electrician |
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What You'll Learn
Call 911 in an emergency
If you see a fallen power line, stay away and call 911 immediately. Do not attempt to touch, move, or approach the line or any objects in contact with it. Keep a distance of at least 30 to 40 feet, and warn others to stay away too. If your vehicle comes into contact with a downed power line, stay inside your car and call 911 if possible. Do not exit the vehicle until a firefighter, police officer, or utility worker tells you it is safe to do so.
In the case of an electrical fire, call 911 immediately. Do not use water on an electrical fire, as it is a conductor and may cause further injury or damage. If possible, disconnect the electricity supply at the mains. If it is safe to do so, use a Class C fire extinguisher, baking soda, or an extinguisher designed for electric fires to suppress the flames. If the fire becomes unmanageable, evacuate and call the fire department.
If someone is receiving an electric shock, do not touch them directly, as you could also receive a shock. Use a non-conductive object, such as a wooden broom handle, to separate the person from the electrical source if you can't cut the power. Then, call 911 and provide the dispatcher with all the necessary details, including the person's condition and location. If you are trained, you can perform CPR if the person is not breathing or has no pulse.
If you smell natural gas or suspect another type of emergency, leave the area immediately and call 911. Then, if it is safe to do so, call your utility company to report the incident.
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Contact your local power company
If you need to detect electric lines, it's important to contact your local power company. They are responsible for maintaining and repairing the power lines in your area and can provide guidance on how to safely manage any issues that may arise. Here are some reasons why you should contact your local power company:
Safety:
Firstly, your local power company is equipped to handle emergencies related to power lines. If you encounter a downed power line, it's crucial to stay away and call 911 immediately. After ensuring your safety, contact your local power company to alert them of the issue. They will need to cut the power at the source to prevent fires or electrocution hazards.
Expertise:
The power company has the necessary skills, tools, and experience to safely manage and repair power lines. They can provide guidance on how to identify electric lines and what to do if you suspect any issues with your power supply. They also have the expertise to distinguish between electric lines and other utility lines, such as telephone or cable lines.
Vegetation Management:
Power companies actively manage vegetation growth near power lines to prevent damage. They monitor tree growth and ensure compliance with vegetation clearance requirements to reduce the likelihood of power outages and potential hazards.
System Inspections:
Your local power company may have a system inspections program in place. They regularly inspect electric equipment, including power lines, to identify and address potential risks. This proactive approach helps maintain the safety and reliability of the electrical system in your area.
Underground Utility Locating:
If you're planning any digging or excavation projects, contact your local power company. They can provide information about the approximate locations of underground utilities to help prevent accidental damage to electric lines. While 811 is a nationwide service that connects you to local utility companies for this purpose, your local power company can provide additional insights and guidance specific to your area.
Remember, your local power company is a valuable resource for information, safety measures, and maintenance related to electric lines in your community. Don't hesitate to contact them with any concerns or queries you may have.
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Use ground penetrating radar (GPR)
Ground-penetrating radar (GPR) is a geophysical method that uses radar pulses to image the subsurface. It is a non-destructive and non-invasive method of surveying the subsurface to investigate underground utilities such as concrete, asphalt, metals, pipes, cables, or masonry. GPR uses electromagnetic radiation in the microwave band (UHF/VHF frequencies) of the radio spectrum and detects the reflected signals from subsurface structures.
GPR can be used to detect electric lines by mapping structures and utilities buried in the ground. GPR systems use a transmitter and antenna to emit electromagnetic energy into the ground. The electromagnetic impulse hits an object, and the density of the object reflects, refracts, and scatters the signal. The receiver then detects and records the returning signals. This information can be used to determine the depth, geometry, and magnitude of subsurface reflectors, such as electric lines.
The frequency of the signal emitted by GPR affects its performance in detecting objects. Higher frequency signals provide better resolution but penetrate the ground less deeply, making them more suitable for detecting small, shallow objects. On the other hand, lower frequency signals are better for detecting large, deep objects. GPR is particularly effective when there is a large difference in the electromagnetic properties of the target and the surrounding material.
GPR has several advantages in detecting underground utilities. It is a non-invasive method that does not require disturbing the ground. GPR can also detect a wide range of materials, including concrete, asphalt, metals, and pipes. Additionally, GPR can be used in various media, such as rock, soil, ice, freshwater, pavements, and structures.
To use GPR for detecting electric lines, it is important to contact the appropriate authorities and professionals. In some countries, such as the United States, there may be regulations and organizations in place to oversee the use of GPR, such as the European Telecommunications Standards Institute and the European GPR association (EuroGPR). It is essential to follow safety guidelines and seek expert advice when working with electric lines and GPR technology.
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Employ electromagnetic (EM) locating
Electromagnetic (EM) locating is a specialised service that uses electromagnetic fields to detect the presence and location of underground utilities, such as power cables, metal pipes, and telecommunication lines. This technology is particularly useful for identifying utilities that are conductive or made of metal. EM locating is a non-invasive method that ensures precise identification of underground utilities, allowing for accurate mapping and safe excavation.
The EM locating process involves using a transmitter and receiver system. The transmitter induces an electromagnetic signal onto metallic utility lines, which are then picked up by the receiver. This allows the path and depth of the utility lines to be traced. EM locators can also detect electromagnetic signals radiating from pipes or cables, rather than detecting the lines themselves. This is known as passive locating, where the receiver detects signals from live utility lines without requiring any external power source or direct contact.
There are several benefits to using EM locating. Firstly, it is a cost-effective and efficient method for identifying underground utilities without disrupting the surrounding area. Secondly, by accurately identifying utilities, EM locating helps prevent damage to essential services, reducing the risk of costly repairs and ensuring the safety of workers and the public. Additionally, EM locating provides real-time information on the location, depth, and orientation of utilities.
However, there are some challenges to consider when employing EM locating. Electromagnetic interference from nearby power lines, electrical equipment, or other metallic objects can cause false readings or difficulties in accurately locating utilities. EM locators may also struggle with detecting utilities that are buried very deep in the ground. To mitigate these challenges, it is recommended to conduct surveys in areas with minimal electromagnetic interference and utilise the frequency adjustment options available on some EM locators. Employing multiple locating methods can also improve the accuracy of detecting deeper or harder-to-reach utilities.
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Call 811 before digging
Before starting any project that involves digging, it is important to call 811 or visit your state's 811 center website. This will allow you to request the approximate location of buried utilities to be marked, which is crucial information for any digging project. This service is provided by utility companies to help prevent accidental damage to underground infrastructure, such as electric, telephone, or cable lines.
Calling 811 before digging is a simple and effective way to ensure your safety and the safety of those around you. It is a national call-before-you-dig phone number, and it is recommended that you call at least two business days before your planned digging activity. This gives utility companies time to mark the work area and provide you with the information you need to dig safely.
It is important to note that you should also call 811 if you are planning to build or repair a fence, plant a tree, or install a sprinkler system—any chore or maintenance task that requires digging. This is because there may be underground utilities in your yard or property that you are not aware of, and digging without knowing their location can be dangerous.
Once you have called 811 and received the markings indicating the location of underground utilities, it is your responsibility to respect and replace these markings throughout your project. This will help ensure that you do not accidentally damage any utility lines, which could cause disruptions or even pose safety hazards. By calling 811, you can help keep yourself and your community safe while still completing your digging project effectively.
In addition to calling 811 before digging, it is important to be aware of other safety precautions related to electric lines. If you see downed power lines, stay away and call 9-1-1 immediately. Do not touch anything in contact with a downed power line, including a car or another person. Keep children and pets away, and do not drive over the power line. Always treat downed wires with caution, especially after storms, as they may be energized and dangerous.
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Frequently asked questions
If you see a downed power line, call 911 immediately. Stay at least 100 feet away from the line and warn others to stay away too. If the downed power line is near your home, walk through your house and check your electronics for any fires. Call 911 again immediately if you discover a fire. Then, call your local power company to alert them of the power line changes.
If a power line falls on your car, stay inside your car and call 911. Warn others to stay away and wait until a firefighter, police officer, or power company worker tells you it’s safe to exit your vehicle.
Before starting any digging project, call 811. This nationwide service will connect you with local utility companies, who will mark the approximate locations of public underground utilities on your property. You can also hire a professional utility locating company to accurately locate electrical lines and other underground utilities.
