Molly Ayala
A solar-powered electric fence is an effective way to contain livestock and keep out unwanted animals or pests. When installing a solar-powered electric fence, it is essential to properly ground the fence to ensure it functions correctly. Grounding the fence involves creating a circuit that allows the flow of electric current from the energizer, through the fence wires, and back to the energizer when an animal touches the fence. This circuit is completed by driving ground rods into the ground near the solar-powered energizer and connecting them with the appropriate grounding wire and clamps. The number and type of ground rods and the depth of installation depend on the specific solar electric fence charger and the local soil conditions. Proper grounding helps maintain the correct voltage and ensures that animals receive a shock when they come into contact with the fence, making it a safe and effective barrier.
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What You'll Learn
Ensure the T-post is close to the fence
To ensure the T-post is close to the fence, you should first plant a T-post beside the fence at one point along the line. The T-post should be positioned with good, solid southern exposure, and no obstacles that might cast shadows on the panel during the day. This is because the solar panel built into your charger requires as much exposure to sunlight as possible to keep your electric fence powered.
Next, mount the solar charging unit on top of the T-post, and swivel it to face south (if you’re in the northern hemisphere) to maximise its potential for sunlight exposure. You should keep the charger turned off at all times during installation, especially during the grounding process.
Now it’s time to ground the charger. To do this, you’ll need to sink earthing poles into the ground near the T-post. The type, number, and depth of the poles you’ll require will depend on the strength of your specific solar electric fence charger, so check the manual that came with your product to determine how best to ground your charger.
The T-posts should be spaced at about 15-20-foot intervals, with shorter distances between them on steep, hilly sections, and longer distances between them on flat, open spaces. You can use a length of string attached to one pole and pulled tight to mark the location of the next. To install T-posts, use a T-post driver, and beat the posts into the ground, ensuring that the posts’ brackets face away from the land you are surrounding with the electric fence.
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Position the solar panel for maximum sunlight
Positioning your solar panel to receive maximum sunlight is crucial for maintaining the correct voltage in your electric fence. Here are some detailed instructions to ensure optimal sunlight exposure:
Firstly, identify a suitable location for your solar panel that receives strong, direct sunlight throughout the day. Look for an area with minimal shadows, as shadows cast on the panel can significantly reduce its energy output. If possible, choose a spot with southern exposure, especially if you're in the northern hemisphere. This orientation maximizes the panel's exposure to sunlight.
Secondly, ensure that your chosen location is free from any potential obstacles, such as trees or buildings, that could cast shadows on the panel at any time during the day. Consider the movement of the sun throughout the day and the changing angles of shadows. If necessary, trim any vegetation that might obstruct sunlight.
Thirdly, once you've identified the ideal location, install a T-post in the ground, just like you did when setting up the poles for your fence. Ensure the T-post is securely planted and positioned close to the electric fence. The T-post will serve as the mounting point for your solar panel.
Lastly, mount the solar charging unit on top of the T-post, following the manufacturer's instructions. If you're in the northern hemisphere, swivel the panel to face south to maximize sunlight exposure. Remember to keep the charger turned off during installation, especially during the grounding process.
By carefully positioning your solar panel for maximum sunlight, you can ensure that your electric fence has a consistent and reliable power source, maintaining its effectiveness in containing livestock or deterring unwanted intruders.
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Sink earthing poles into the ground
Grounding an electric fence is essential to keeping it in good working order. When a fence is not working properly, it may be challenging to keep animals contained and to keep predators away.
To ground a solar electric fence, you will need to sink earthing poles into the ground. These earthing poles are also known as grounding rods. They are typically made of copper-clad steel and are 1/2" in diameter. The number and depth of the poles required will depend on the strength of your solar electric fence. For example, a fenced area with damp ground year-round may only require one ground rod, while most locations will need two or more. The ground rods should be spaced out and be more than 23m (75 feet) away from other grounds, waterlines, or utilities.
The process of sinking the earthing poles into the ground involves first determining the correct number and type of poles for your specific solar electric fence by consulting the manual. Once you have the required number of poles, you will need to dig holes deep enough to sink the poles completely into the ground. The depth of the holes will depend on the length of the poles, but typically, ground rods are driven about six to eight feet into the earth. If you are using copper-clad steel poles, ensure that they are driven deep enough to avoid corrosion, as copper corrodes faster than other materials. Once the poles are securely in the ground, you can fill the remaining space in the holes with soil and firmly pack it down to ensure the poles are stable.
After the earthing poles have been sunk into the ground, the next step is to connect the grounding rod(s) using the correct clamps. Ground rod clamps are designed to conduct electricity from the rod to the return wire, and it is important to use the correct type of clamp to avoid corrosion. Brass clamps should be used with copper rods, while dissimilar metal (non-corroding) clamps should be used with galvanized rods.
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Connect the positive and negative clips
Now that you have installed your electric fence wire, ground rods, and solar-powered fence energizer, it’s time to test. Testing is best performed using an electric high-voltage fence tester. These typically cost about $10. As you walk along your fence line, check the output of each wire and note any section of wire that is not energized or shows a low-voltage level.
Now, it’s time to connect the positive and negative clips/clamps of the charger. First, cut and install a length of the ground wire long enough to travel from the ground rod over to the negative ground charge on the solar charger. Second, cut and install another length of ground wire long enough to travel from the fence wire over to the positive charge on the solar charger. Third, turn on the solar charger and test the charge on the fence using the electric fence tester.
The type, number, and depth of the poles you’ll require will depend on the strength of your specific solar electric fence charger, so check the manual that came with your solar fence charger carefully to determine how to properly ground it. You can also use a voltmeter designed for electric fences to test the voltage of the fence. A good electric fence runs at about 10,000+ volts, which will fry a typical multimeter.
Ground rods should be more than 23 m (75 ft) from other grounds, waterlines, or utilities. They should stick out of the soil 10–15 cm (4–6 inches). Ground rod clamps have been designed to conduct electricity from the rod to the return wire and work better than homemade clamps or those designed for a different purpose. Double-check that brass clamps are used with copper rods and that dissimilar metal (non-corroding) clamps are used with galvanized rods.
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Use a voltage tester to check the fence
To ground a solar electric fence, you will need to test the voltage of the fence using a voltage tester. This is an essential step to ensure that your fence is working correctly and will effectively contain livestock or keep out predators.
First, purchase a voltage tester designed specifically for electric fences. A typical multimeter will not be suitable as a good electric fence operates at about 10,000+ volts, which will fry a typical multimeter. Electric fence testers are available at a low cost of around $10.
Next, walk along the fence line, testing the output of each wire. Pay close attention to any sections of wire that are not energised or show a low-voltage level. The tester will have a ground probe that you can push into the ground near the section of the fence you are testing.
By regularly testing the voltage of your solar electric fence, you can identify any issues with improper grounding, which is often the cause of problems with electric fences. Ensure you also check the ground system and voltage during periods of extremely wet or dry weather, as these conditions can impact the proper functioning of your fence.
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Frequently asked questions
Grounding your solar electric fence is essential to keep the fence in good working order. When a fence is not working properly, it may be difficult to keep cattle or other livestock contained, and it will also be difficult to keep predators away. An improperly grounded fence will likely not shock an animal when the animal bumps up against part of the fence.
To ground your solar electric fence, you will need to sink earthing poles into the ground near the T-post. The type, number, and depth of the poles you’ll require will depend on the strength of your specific solar electric fence charger, so check the manual that came with your fence to determine how best to ground your charger.
Ground rods are essential to the grounding process. They are made of either copper or galvanized metal and are installed and wired back to the energizer. When an animal touches the fence, the circuit is closed, allowing the electric current to flow from the energizer, through the animal, into the soil moisture, to the ground rods, and back to the earth terminal on the energizer. Ground rods should be more than 23 m (75 feet) from other grounds, waterlines, or utilities.
It is important to check the ground system as well as the voltage of the electrical fence during extremely wet or dry weather. To properly test the voltage of the fence, use a voltmeter designed for electric fences. Solar power is strong enough to reliably charge an electric fence, but you should still follow all installation guidelines given for your specific animal or pets.
