safe to put cell antenna on roof? what about lightning
Lightning Surge Protectors for Cellular Signal Boosters
As yous may already know, surges caused past indirect lightning and static are something signal boosters are extremely vulnerable to since the donor antennas tend to exist installed on the roof. In the event of a surge, the energy tin can flow through the outdoor antenna's coaxial cable and dethrone or severely damage the amplifier and everything in its path – including other electrical equipment. They can fifty-fifty cause fires and electrocute people.
To protect your signal booster from surges (as well every bit people, holding, and other electronic equipment), properly installing AND grounding a lighting surge protector is key. The focus of this article will exist on installing a lighting surge protector. If you wish to learn more about surge protectors, visit our Signal Booster Accessory Guide.
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How to Install a Lightning Surge Protector?
Installing a surge protector, also known as lightning surge arresters or surge suppressors, is quite simple and can be done in a few steps.
Step 1 – Make Sure you Have the Right Surge Protector for Your Booster
Point boosters and surge protectors both take impedance ratings – 50 Ohm or 75 Ohm. The surge protector's impedance rating must friction match that of the signal boosters for optimal results. Using the incorrect arrester could degrade the booster'southward functioning.
If you don't know your repeater's impedance rating, you tin can easily find it in the manual. The unit of measurement'due south connectors and coaxial cables can also help y'all make up one's mind the system's impedance. Boosters with blazon-North or SMA connections take an impedance rating of 50 Ohms, while those with blazon-F connections have an impedance rating of 75 Ohms. Alternatively, RG6 and RG11 cables are compatible with 75 Ohm suppressors, while Wilson400 or LMR®400-similar cables are compatible with fifty Ohm suppressors.
Pace 2 – Installing the Lightning Surge Protector
The surge protector should be installed betwixt the outdoor antenna and the amplifier. Per the National Electrical Lawmaking (NEC), surge suppressors should be installed outside your edifice, close to the point of entry but away from combustible material.
Our high-quality lightning surge protector kits include a double-sided female coaxial lightning surge protector and a 2-foot double male coax cable — everything you lot need for an easy installation.
To install the surge arrester, yous would:
- Connect a 2-foot cablevision to the outside antenna.
- Connect i stop of the surge protector to the 2-human foot cable – either end will work. Surge protectors are bi-directional, meaning they can't be installed astern.
- Connect the other end of the surge protector to the coaxial cable that connects to the amplifier.
Step 3 – Grounding the Lightning Surge Protector
Grounding the surge protector is extremely important, otherwise, the lighting arrester won't work. If the external antenna is shocked with loftier voltage free energy, this footstep will help earth ground the free energy.
To footing the surge protector, a grounding wire is needed (sold separately). It's recommended to utilize a copper wire no smaller than x AWG. Reframe from using braided copper wire.
Adhere the ground wire to the surge suppressor's ground connector and utilise a set of pliers to crimp the wire on the connector firmly. The other stop of the wire needs to exist attached to a grounding point. When installing the wire, avoid creating whatsoever sharp bends.
Different Grounding Points:
- Ground Rod (About Common): A metal rod outside buildings that's buried at least 8 anxiety into the ground.
- Metal Electrical Service Panel: Normally, the panel is connected to the grounding rod.
- Metal Electrical Raceway or Conduit: Typically, they are already grounded, simply adhere a grounding strap to the electric raceway or conduit.
- H2o Piping: The pipe must be in direct contact with the earth. Should only be done if the h2o pipage is 5 feet away from the entrance of your home AND if the pipe is at least 10 feet to a higher place the earth before entering your property.
- Metal Frame or Structure of a Edifice: Only employ if no other option is available.
Avert attaching the wire to materials that lead inside your home or building.
Step iv – Grounding the Antenna Mast
Grounding the antenna mast is as of import as grounding the surge protector – especially for tall antenna masts. As a thing of fact, information technology's mandated by the NEC. All yous need to do is attach the grounding wire to the mast and the grounding point. If the antenna mast is painted, scrape off some of the paint before installing.
PRO-TIP: Before grounding the surge protector and mast, we recommend checking local electrical code grounding rules. They tend to differ from city to city.
Lightning Surge Protector Installation Help
If you're not confident about installing and grounding your surge protector, nosotros recommend calling a local electrician to do it for you, or requite us a call at 1-800-568-2723 for assistance.
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Source: https://www.wilsonamplifiers.com/blog/how-to-ground-a-lightning-surge-protector/
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