what are the metal boxes attatched to power lines

Vintage 1930s Metal Putnam Dye Cabinet. Cabinet has some rust on top and standard minor age wear/scratching. Presents nicely, inside contains original dye packets. It measures 15" tall X 18.75" across. A tall grey metal flat file cabinet .

Power lines are typically shown as solid lines, while communication cables are represented by dashed lines. Transformers are usually depicted as rectangular boxes, and other equipment such as fuse boxes or meters may . Overhead service-entrance conductors are attached to service masts with clamp-on porcelain or similar nonmetallic insulators. Overhead service-entrance conductors that .Power poles are vertical structures that are used to support electrical power lines. They play a crucial role in the distribution of electricity from power plants to homes, businesses, and other facilities. Power poles are typically made of . The service mast contains the wires that transfer power from the city’s overhead power distribution system to your home. In other words, the mast is the bridge between your home and your power supply. It’s responsible for .

The large grey cannister is a transformer lowering the high voltage from the long distance power line into the voltage you use at home. Most probably you have 110 /220 V ac. if you are in the USA. The other element with glass is .

While wires are easy — everyone knows they carry electricity―— how about those attached metal boxes and other mysterious gadgets? What are they called, and what purpose do they serve? With a little information, you can .Crossarm - Holds powerlines above the ground and apart from each other. Primary Wires - Run on top of the pole, each carrying 7,200 volts of electricity from a substation. Transformer - Converts electricity from primary wires to a .

Step 1. Find the meter base on the house. Verify if it has a mast or just a large cable coming out the top. Call the local power company to verify if it furnishes an anchor bolt for the line to attach to. Get a list of the specifications . It’s a gray steel box with a hinged door, securely attached to the wall at around shoulder height. Inside the box, you’ll find two rows of switches. These are the circuit breakers you can toggle on and off to control the .

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An curved arrow pointing right. What are those odd looking things you always see attached to power lines? Turns out, they're called lightning arresters and they're crucial to preventing certain . Sometime in the 70’s most of the exterior trimwork was removed and the building was covered in metal siding. I’m in the process of removing the metal siding, replacing the trimwork, and repairing the original wood siding. The overhead power supply comes to a weatherhead mounted on the side of the house.Now I'm trying to hunt down the property manager but I am curious what the gray box actually is, and how the power company has no knowledge or responsibility of something hardwired into their meter. No markings or part numbers on the box itself .

electrical box in which most light fixtures are mounted in. service panel. serves as the junction between the power lines and wiring in a building. fuse. consumable conductor that fails when excess current flows through. cable connector. secures nonmetallic cables to an electrical box.

What are these long metal spirals on the power lines for? It looks like they are made of stiff steel rods twisted into a corkscrew around the cable. . Green painted wooden box with 2 sets of hinges. Top opens to reveal storage area with cylindrical insert. Bottom opens to shallow storage area. . Silver sphere with 3 flat discs attached .

White cylindrical box attached to utility pole flashing blue and red lights (like a police car) Solved! . Fault indicators are on the power lines. Not on a box located below the cable. Reply reply More replies. . Made of black plastic and the two little metal wheels spin; .It would be worth calling your power company and seeing if they can send someone out to trim the trees touching the lines. Generally its a big concern to have branches touching power lines, so they should send someone out to trim. As for the cable/phone line, sure you can call to have the lines removed, but I would think about that first. A: I (normally) wouldn’t sweat it. Generally speaking, your town’s phone or electric company can install any number of things on the various utility poles littered around your town.2.6M subscribers in the whatisthisthing community. For the identification of mysterious objects

A metal box can be mounted to a wood stud/or floating in drywall(old work box) with a ground pigtail and meet code requirements. In my mind , path of least resistance would mean if someone touches the metal box it will go through them to ground. In my mind all boxes should be mounted to metal so path of least resistance isn't a person.Study with Quizlet and memorize flashcards containing terms like In addition to maintaining the continuity of the grounding path, whether or not a device is installed in the metal box, connecting the equipment grounding conductors to an integral screw attached to the box also fulfills the secondary purpose of grounding the metal box., Interlocking tape - Type MC cable containing . Electrical - AC & DC - How to attach metal conduit and box to structural steel post in garage - Hello, I've learned a lot reading the messages on this board, but haven't seen this issue discussed. I want to add some outlets in my garage. I'm planning to drop the line down from the ceiling and attach the outlets to Members; 284 Gender: Male Location: Ohio Interests: 1951 Farmall H in family since new. Now owned by Mark Davis 3rd my Grandson. 4th H off production line in 1951 M&W 9 speed trans / M&W turbo dome pistons and Hi lift rocker arms / M&W ( No Clog ) front wheel scrapers / M&W Friction Throttle / Char Lynn power steering / Koyker grease gun holder / IH .

The 240v line is coming in just fine but breaks down to 50v when it comes out of the box and into the water heater. I can bypass the box completely but I feel like it's there for a reason. I can't find anything written on the box or components that would help identify its purpose.Oh in that case its a yes. The ground wire gets attached to all boxes, devices, fixtures, and so on. Basically, if its metal and an electrical device it needs a ground. But the ground does not need to be dedicated, you can just wrap it . IMHO, pointless but certainly no harm. Except that it is not pointless if it is required by code. The usual rule is "receptacles must be grounded to metal box". If the rule is actually "receptacles must be grounded to metal . Typically made of wood or metal, residential utility poles are designed to withstand various weather conditions and support the weight of the cables and wires they carry. . Power lines are typically shown as solid lines, .

What is currently being used as a point of attachment is actually the metal strap that formerly braced the “house knobs” before the siding was replaced by a previous owner. . if upon switching the support cable from one insulator to another there is a problem with the cable and suddenly the power line is simply dangling with the support .

Underground power lines. Utility companies install electrical distribution either below ground or above ground, and they make the decision on which one will be used in your installation. The long-term overall cost is less for overhead electrical distribution compared to underground distribution, but sometimes the utility will install underground distribution, but it .

Source: Worked in and around power line equipment for over a decade. Edit: One should also wonder for example.cable TV companies usually have to pay for each pole attachment they make onto power poles (at least they do here where the power company is privately owned). If the same situation there, did whomever get the proper permit to attach? Set them the correct depth and go. Metal boxes need a proper depth plaster ring and make it harder when a DIY cuts the drywall due to the rounded edges. Plastic boxes and NM are about twice as fast to install over metal. Plastic have the built-in nail vs needing screws to secure a metal box or stapling the box to a stud. Assume you have a metal device box, correctly installed with 14/3 cable incoming and a three-way ungrounded light switch installed. Assume that the box is correctly grounded using the ground wire attached to the ground screw of .

That being said, replacing the metal box with a plastic does not fix the problem of a shorting circuit. It simply removes point of grounding which allows the short to trip your overcurrent device (the breaker). This means anyone who comes into contact with the box and is grounded will be subject to electrical shock or a burn hazard. So the box .My title describes the thing, which is a metal box on the outside of my house, and it is approximately 4.5"x3"x2". I tried using Google lens to see if it could come up with anything, and it suggested an attenuator and other electrical switches. I don't see any writing on the exterior, but there are 2 screws which appear to open it.

Call the power company and tell them there is a low wire at that location. They are obligated to check it out. They would rather be called about something that turned out NBD than ask customers to figure it out. The way to help the power company is with your location description. Re: roofing around a power line It is 110 or 220 just be cautious. Make sure none of the wire is exposed. the only way to ground yourself is to touch the twisted guy-line that supports the two power lines or if the metal roof is grounded. If you are concerned have it shut down as suggested or work around it without nicking the insulation. A magnet moved around near a metal junction box will generate tiny surges of current in the box walls. In order to measure those surges you would have to be a very careful physicist with pernicious insomnia. Theoretically a tiny amount of magnetic influence makes its way into the interior of the junction box, via screw holes etc.

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what are the metal boxes attatched to power lines|power supply

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