var photocredit = photocredit.toUpperCase(); If you have old carpet, cut it into strips and lay it underneath the wire to ensure that the grass does not grow in those areas. Inadequate grounding is the most common problem with electric fence performance and can be especially difficult to overcome in dry areas with rocky or sandy soils. The electrical current is completed and results in the animal receiving a shock (Fig. Because these units consist of three separate parts (solar panel, battery and energizer), solar energizers are the most expensive and highest maintenance option for powering an electrified fence. Board of Fisheries and Game: Actions & Activities, Threatened, Endangered, and Diversity Program, Alaska Resources Library and Information Services (ARLIS), About the Division of Commercial Fisheries, Western Alaska Salmon Stock Identification Program (WASSIP), Online General Season & Registration Permits, Subsistence and Personal Use Fishing Permits, CSIS Community Subsistence Information System, The Technical Papers and Special Publications Series. x[mon&gJ8}wApi]E$ygf?6?Y~W_W?wlUnCYm/.W'0F2==aA@:(X~:=m,zz#vVai;4*8HyY%A{D .==92&@T8=`{zD&(4U7UKU0IcBh*E4')phO/m-/hW?"gIx0qh)AF/uu(g=xBhrPWK+n3"xr[Wr>,Z{u%. Some conductors work best with certain energizers and accessories, so a kit ensures that your fence will be effective. There are many prefabricated electrified netting fences that are quick to install and easy to move. This type of wire may also be called insulated underground wire and is rated for 20,000 volts. However, if the soil is too dry or the ground rod is inadequate, the electric current will be unable to find a path back to the energizer, and the animal will receive little or no shock. All-hot fencing designs are only appropriate for locations where the soil is moist year-round, either naturally or because of frequent watering. AC energizers are the least costly type of energizer to purchase and operate. 3). Shes not alone. Fiberglass or plastic posts can have the fencing wrapped directly around them. Hang warning signs in locations that will warn children, untrained adults, or visitors that your fence is electrified. Sightings in yards and driveways throughout Southern New Hampshire are common, even in downtown areas. I also stick my compost tumbler in the fence for simultaneous protection - Forrest. The electrical current is then completed, and the animal receives a shock. Galvanized smooth steel or aluminum wire should always be used in the construction of a permanent electrified fence. Other batteries either require battery replacements or to be re-charged. youtube.com/watch?v=lqIRMavnahE, Deterring Bears with Electrified Fences A Beginners Guide, https://www.youtube.com/watch?v=Wc8xY2YuOfM. See the section on Grounding Systems for options. Metal or wooden posts require insulators so that you dont ground out the fence and lose the charge. New Hampshire has about 6,800 bears, biologists estimate, and many have become more comfortable with being around homes. Electric fencing is a great way to protect beehives, chicken coops, livestock, and compost from bears. Its wasteful and doesnt really solve the issue, said Timmins. Check for poor connections in spots where electrified wires have been spliced together. Electric fence is the best way to protect backyard hens from bears looking for dinner, especially from a backyard chicken coop. These fences provide an electrical shock when an animal comes into contact with the charged wires of the fence. The strands should sit at 4 inches, 16 inches, 26 inches and 36 inches from the ground. To extend battery life, some DC energizers have a very slow per-minute pulse rate, so be certain to purchase one that pulses at the recommended 45 to 60 pulses per minute. 7). Subscribe Today, Granite Geek: New England cottontails hopping north, as their world shifts, NH students attend health care training in Nashville, 17graduate from the 118th Corrections Academy Class, More rain, more bodies in flooded Kentucky mountain towns, Hundreds came to say goodbye to Ryan McGonigle, Soon, the NH Swim School will have a place to call home, Soon, the NH Swim Club will have a place to call home, Concord Little League 11-12 All-Stars force Game 3 against Goffstown to determine state champion. However, safety is always a concern when using electrified equipment. Our work makes a difference, in the lives of Texans and on the economy. hd_%~ JF+*XET( A"#6e_z=/5g}NLe4ei6%c.BW4._Fi]K+Jz|hz**UR?T]5XKQ/o{?_=g?O?r||;~v}_'?}1>n|~RJ/[|^Ktpg/'?'}S7~>yq':?Y=zWwqm5~VJi%[Zzt[j:'VWnO^}^z^x/~w_}'?Gzth}m:c_;a6? This design directly returns electrical current back to the energizer through all ground wires, instead of solely relying on conducting electricity back through the soil and grounding rod. Do not attempt to step over or climb through a fence that is electrified. Aluminum wire is lightweight and easy to use but will break with repeated bending. For deterring bears in developed areas, your energizer will require a minimum joule rating of: 0.7-1.0 stored joules or 0.5-0.7 output joules. var currentLocation = window.location; However, because DC energizers do not come with batteries, the batteries that power the energizers are an added expense, making the overall cost of using DC energizers higher than AC energizers. This requires constructing a fence that: 1) Has multiple electrified wires (Fig. When protecting fruiting trees, place your electrified fence so that all fruit falls inside the fence boundary instead of outside it. It seems its mostly for backyard chickens, said Andy Lowe, warehouse manager for the Agway store in Winnisquam. We recommend at least four strands. if (photocredit.indexOf(sellablestring) > -1) { Bears have a tremendous sense of smell and can be attracted to chicken feed inside coops or to the chickens themselves as a tasty meal. var photocredit = "'' 'Electric fence is the best way to protect backyard hens from bears looking for dinner, especially from a backyard chicken coop. Some drawbacks of these fences are that they are meant for temporary use and will need regular adjusting to prevent sagging over time. Alternatively, hog or cattle panels can be used to create small enclosures with several lines of electrified wires attached to the outside. Voltage meters come in everything from inexpensive models, with multiple LED lights that light up when a certain amount of voltage passes through it, to more expensive models, with an exact digital readout of the amount of voltage passing thought it. Alternatively, wire panels or existing net-wire fence could be used as grounded wires in a ground-return wire fence design. Will your electrified fence need to secure hoofed livestock as well as exclude bears? High impedance energizers have a pulse that is long in duration, but low in energy. Solar energizers consist of a solar panel directly attached to both a rechargeable battery and a DC energizer, often sold as a single unit with battery and energizer enclosed in a case or housing. Although it may sound complicated and expensive, electric fencing can be a relatively simple, cost-effective and long-term solution for protecting bear attractants that cannot be easily removed or otherwise contained. Whenever possible, place fencing 3 to 5 feet away from the structures they are protecting, such as chicken coops or rabbit hutches. 8). var photocredit = "'' 'Electric fence is the best way to protect backyard hens from bears looking for dinner, especially from a backyard chicken coop. Montpelier, VT 05620-3702 Safety always is a concern, and todays electric-fence energizers have been shown to be safe for children, pets and vegetation. A fence constructed of polywire and plastic or fiberglass posts can be quickly set up for seasonal or shortterm use. hb```@af`f`s\`0`2N665 (jIiC%g|?ottsc@LuvlRZ'y\PVy!8cu=)-/{&e/3yAH%e.P#` r"PI0 *tav:X"A6 +:IAWy~ v>4"4#io@A bmU Fe\ stream Plastic and fiberglass are non-conductive materials and do not usually need insulators added to them. Look for insulators that are the most suitable for the posts and design of your particular fence. For example, an energizer listed as having 1.0 stored joules will only be able to deliver approximately 0.7 joules to the fence. For excluding bears, the ground-return (pos/neg) design is recommended. Bear pulled chicken wire off outside of chicken run and ate chicken food. For example, while both a 0.2 joule and 1.0 joule rated energizer can deliver a 7,000-volt shock, the 1.0 joule energizer has a higher amperage. This small device tells you not only if your energizer and grounding system are functioning properly, but also the amount of voltage passing through your electrified wires. Adequate grounding is an important component in the function of all electrified fencing. To effectively deter bears, your energizer needs to pulse at a rate of 45 to 60 pulses per minute, which is approximately 1.0 to 1.5 pulses per second. The news account had Alaska Department of Fish and Game biologist Jessy Coltrane asking for chicken-rearing residents to be more proactive in using electric fencing. Theres definitely a little bit of hesitancy for people trying to set it up on their own, but theyre willing to try out anything just to make sure their chickens are going to be safe, said Lowe. A lot of people put time and resources into building a sturdy coop. var currentLocation = window.location; Some styles of AC energizers have on/off switches while others have to be directly unplugged to be turned off. These energizers receive their power from 6-volt or 12-volt DC (deep cycle) or marine batteries. *tip: Look for an energizer that offers a minimum of 0.7 joules to effectively shock a bear. The wire panel or net-wire fence would be directly attached to the positive terminal of the energizer (Fig. All rights reserved. When an animal is standing directly on soil and touches just one of the electrified wires, it will receive a shock. Adequate grounding is an important component in the function of all electrified fencing. Fish and Game who is the states go-to expert on the black bear population. Dont combine different types of metals (i.e. The wires on a gate are electrified by attaching one of the wires to the main fence with insulated electric fencing wire, as previously seen in Figure 4. Electricity must be able to easily flow from the soil to the grounding rod and back to the energizer for an animal to receive an adequate shock. Low impedance pulses are so shortless than 3/10,000 of a secondthat a spark should not produce enough heat to start a fire. Ballantine Communications, Inc. Bears are not good jumpers, so electrified lines should be spaced to prevent a bear from going under, passing through, or climbing over the fence without fully touching at least one of the wires. if (photocredit.indexOf(sellablestring) > -1) { Polywire will degrade and break after long exposures to sunlight. %PDF-1.6 % David Brooks is a reporter and the writer of the sci/tech column Granite Geek and blog granitegeek.org, as well as moderator of Science Cafe Concord events. Place the lowest wire approximately 8 to 12 inches above the ground and the top wire 36 to 42 inches high. Proper design, construction, and maintenance will ultimately determine the effectiveness of your electrified fence. Management Activities on Wildlife Management Areas, www.tractorsupply.com/know-how_farm-ranch_fencing_electric-fencing, www.margosupplies.com/usa/electric-fencing, How to Use Electric Fencing to Secure your Outdoor Attractants, Bear Necessities: Living With Black Bears Videos. Seasonal use or portable fences are typically constructed using step-in-the-ground plastic posts or fiberglass posts. Never encourage anyone to touch an electrified fence. Solar panels can be purchased separately and added to a DC energizer, but the array must be powerful enough to keep a deep cycle battery charged. Polywire consists of many strands of wire braided within a polyethylene rope. For wooden corner posts and end posts, heavy-duty lag-corner bolts are recommended and should be placed so that the wire can complete a 90-degree turn without any part of it touching the post. Please check with your local agriculture Extension agent or other livestock experts for livestock appropriate fencing designs, and on how to train your livestock to respect an electrified fence. Your solar energizer must be placed in a location where it will receive enough sunlight to provide a sustainable charge for the battery. Some electrified fencing materials handle snow and ice better than others. We dont see the most complaints in areas with the most bears, we see most complaints in areas where we have the most people, Timmins said. Flexible plastic and fiberglass posts will need support lines placed on the outside of corners and wherever the fence has an abrupt ending. A common question people have is how to deal with gates in the design of an electrified fence. Therefore, a 7,000-volt shock delivered by a 1.0 joule energizer will feel more powerful than a 7,000-volt shock from a 0.2 joule energizer. After obtaining a bachelors degree in mathematics he became a newspaperman, working in Virginia and Tennessee before spending 28 years at the Nashua Telegraph . 6). Whenever possible, AC energizers are recommended for electrified fencing. ADF&G has created three videos detailing the use of electric fences for homeowners (to protect chickens and livestock as well as smokehouses and property) and for campers and backpackers. Insulators are commonly made of plastic or ceramic and are clipped on to t-posts or screwed into wooden posts.
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