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Underground cables: types, advantages & disadvantage

Underground cables are suited for places where it is difficult to use overhead lines due to obstructions and dangers presented by the overhead lines. There are different types of cables mostly constructed to handle a certain range of voltages. Each of the cable type has its advantages as well as disadvantages Single core cable. Three core cable. Typically, an Underground cable has either one, three or four cores. These cables are of course, constructed accordingly. Underground cables are usually employed to deliver 3 phase power. A 3 cored cable is preferred up to 66 kV. Beyond that, insulation required for the cable is too much Laying UF (underground feeder) cable directly into the ground.This is known as direct burial, and if you do this, the UF cable must be at least 24 inches below the surface of the ground, to minimize the chance of the cable being pierced by routine shoveling. Further, the vertical runs where the cable descends into the ground at the house side and emerges up from the ground at the outbuilding. Our cable systems are optimized to meet and/or exceed your technical specifications while meeting international standards like IEC 60840, IEC 60287, IEC 62067, ICEA S-108-720 and AEIC CS9. Our high-and extra-high-voltage underground cable systems are backed by ongoing support and an extended range of services that include

1000ft DIRECT BURIAL UNDERGROUND FLOOD RG-6 COAXIAL CABLE TRI-SHIELD 18AWG GEL COATED BRAID PROTECTION UL ETL DIRECTV DIGITAL HD SATELLITE TELECOMMUNICATION AUDIO/VIDEO BULK COAXIAL CABLE. 4.8 out of 5 stars. 33. $80.50 Wire & Cable Your Way offers URD wire at the best prices you'll find anywhere - available by the foot with no cut charges. This underground electrical wire may be used for underground secondary distribution and service entrance applications at 600 volts or less Electrical Cable Depth Options. Decide how much digging you're prepared to do, which determines the type of wire you need to use. Underground cable for running electrical power to a remote location can be installed at different depths, depending on the type of conduit and type of wire used.. For a 6-in.-deep trench, use galvanized rigid metal electrical conduit with individual conductors inside

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  1. There are several different methods for safely running the underground wiring, but the 12-in. deep PVC conduit method we show is about the easiest and most practical for running a typical 15-amp line. A second method, 12-in. deep direct burial of type UF (underground feeder) cable, is another easy alternative
  2. Underground wire for a residential circuit usually is installed with underground feeder (UF) cable, which is rated for outdoor use and direct burial.Such an installation is typical when running a circuit to an outdoor location, such as a garage, shed or other outbuilding, or to a yard light or water feature
  3. Underground Cable & Conduit Construction, LLC. Conduit and Fittings. Business Profile. Underground Cable & Conduit Construction, LLC. 5775 W Chantilly Cir. Salt Lake City, UT 84118-7675. (801) 982.
  4. Five Star Cable 1000 Ft. Cat5e 24AWG Direct Burial / Underground Double Jacket Waterproof Outdoor Burial UTP Ethernet Lan Cable - Black. 4.4 out of 5 stars. 38. $78.90
  5. Cables with pumped fluids require aboveground pumping stations, usually located within substations. The pumping stations monitor the pressure and temperature of the fluid. There is a radiator-type device that moves the heat from the underground cables to the atmosphere. The oil is also monitored for any degradation or trouble with the cable.
  6. High Voltage Underground Transmission Cable Systems Products (13) Filter. Sort View. Sort. Filter By. Done. Category. Al Cable Clamps (1) High Voltage 115kV Power Cable (1) High Voltage 138kV Power Cable (1) High Voltage 230kV Power Cable (1) High Voltage 345kV/400kV Power Cable (2).

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High voltage (HV) underground cable is a cable used for underground high voltage electrical transmission. The HV underground cable is a safer alternative to overhead cables. High voltage (HV) underground cables have thick insulations and to ensure their safe operation, they must be installed in such a way so that there is sufficient heat. Permits - In some communities, we are required to apply for and receive a permit before we can replace the underground cable line. Permit approvals can take between five and 30 days. Weather Conditions - Weather conditions, such as snow and rain, can impact both the equipment used to bury the cable line and the ground conditions in such a way.

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Advantages of Underground Cables. There are several advantages that are associated with the laying of specific types of cables under the ground for purposes of transmitting electricity. The following is a brief outline of these advantages. Compared to overhead cables, underground cables are much safer Underground Cable - Introduction and Construction. April 24, 2018. November 6, 2017 by admin. An underground cable essentially consists of one or more conductors covered with suitable insulation and surrounded by some protective layer. Normally, electric power can either be transmitted using over head lines or underground cables In civil engineering, undergrounding is the replacement of overhead cables providing electrical power or telecommunications, with underground cables.It demonstrates the higher technology in developed countries for fire prevention and to make the power lines less susceptible to outages during high wind thunderstorms or heavy snow or ice storms. An added benefit of undergrounding is the.

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Underground Cables. Underground cables are usually used in such locations as urban areas where overhead line rights of way are not available, in areas where local or state regulations override economic considerations, near airports and other locations where an overhead line may endanger lives, and in scenic areas where appearance is an important consideration Underground cable(UD) refers to the cable that is often buried underground, comparing with the overhead cable. Underground cable is made of one or more insulated conductors and protective layers that are insulated from each other, and is used to transfer power or information from one place to another underground cable systems. The discussion is focused on transmission cables but also has relevance for distribution cable applications. I. INTRODUCTION Increasingly, utilities, developers and power producers seeking to build new power transmission systems are required to at least consider underground cables as an alternative to overhead lines

Underground Cable Derating Calculation. April 28, 2021. April 19, 2021. This simple but useful calculation tool will produce underground cable derating factor. Derating factor is complied with IEC 60502 derating table from B11 to B21. Hence cable specification is in line with IEC 60502 thermosetting insulation, i.e. Cu/XLPE/SWA or Cu/EPR/SWA Underground Cable Design Principles to Strengthen Critical Electrical Grids. With the increasing frequency of natural disasters including earthquakes, floods, hurricanes, tornadoes, wildfires and storms with severe lightning, electric utilities worldwide have proactively reinforced their critical infrastructure systems during the cable design.

The high-voltage underground cables used on the National Grid system can be one of three types: direct buried, trough, or tunnel. See here for the magnetic fields produced by underground cables and specifically the fields produced by these three different types.On this page, we give more information about these types There are several different methods for safely running the underground wiring, but the 12-in. deep PVC conduit method we show is about the easiest and most practical for running a typical 15-amp line. A second method, 12-in. deep direct burial of type UF (underground feeder) cable, is another easy alternative Southwire 1000-ft 2-2-4 Aluminum URD Service Entrance Cable (By-the-Roll) The Southwire company Stephens underground residential distribution cable is intended for secondary-distribution, streetlight and underground-service applications at 600-Volt or less. Stranded, compressed aluminum conductors with a triplex configuration. UL listed. View Mor Rycom Pathfinder 8868 Underground Pipe & Cable Locator - Transmitter Only. This is a Rycom Model 8868 Pipe& Cable Transmitter Unit. This is used in conjunction with a receiver (NOT INCLUDED) to locate and trace buried cables and pipes underground. Unit is in good physical condition with scuffs. Scratches and wear on it

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Knowing the condition of the underground cable system helps ensure reliable operation. The best way to gather this information and to guard against failures is to test the cables regularly using proven techniques that reliably indicate condition. A variety of test techniques are available. Those required for a particular system depend on many factors, including th Cable Splicer - Journey Level. City of Seattle 3.8. Seattle, WA. $51.22 an hour. Cable Splicers are responsible for splicing high voltage and secondary network systems (power cables used in underground distribution) and street lighting. 30+ days ago · Get free shipping on qualified 4/0 Service Entrance Wires or Buy Online Pick Up in Store today in the Electrical Department Website. (612) 349-6066. 80 S 8th St Ste 2850. Minneapolis, MN 55402. From Business: In operation for more than 25 years, NRG Thermal is one of the largest third-party steam providers in the United States. The company owns and operates district. 3. Energy Management Steam Utlts. Utility Contractors Would you like to be a part of a well-known, long-established leader in the electrical wire and cable industry? > Quality Assurance Program. We provide managed services for customers in the EPR underground distribution, transmission utility, railroad/transit, industrial and medical cable markets. > Sustainability. Environmental Management Policy >

The cable path is now marked out on the ground. However, I do not know how to locate the short so we can dig down to the cable and repair the bad spot. A call to all rental shops in my town, Olympia WA, reveal that I can rent a cable locator, but none of our local rental shops has a fault finder. Your advice is appreciated 22,500 lbf Underground Puller. MIRK# 048P. 24,000 lbf Underground Puller. MIRK# 051M. Condux/Tesmec ARS607. MIRK# 055 Throughout the year, Fayetteville PWC works to upgrade underground electric services for customers. This work will increase electric service reliability and prevent untimely outages. Contractors will perform the work on PWC's behalf and will replace aging electric cable and equipment including pad-mounted underground transformers

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Underground. Aluminum 600V URD cable is designed for use in secondary distribution circuits, where installed in duct or direct burial applications. Maximum operating temperature is not to exceed 90°C in wet and dry locations. Voltage rating is 600 volts Underground Cable. 01. Conductor. For the overhead (transmission and distribution) lines, the bare conductor is used. For underground (transmission and distribution) cable, the insulated conductor is used. 02. Conductor. Size. The size of the conductor is smaller as compared to the conductor of the overhead cables When first introduced approximately 40 years ago, underground locators needed to do little more than find buried water, gas, or sewer lines. Today, locating has become more complex as telecommunications cables join utility lines in the underground environment. Surprisingly, though, today`s underground cable locators rely on the same basic technology found in their early counterparts--injecting.

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This electric fence underground cable is designed for the connection between the fence line and controller or under permanent gates; The 12-1/2 Class III galvanized wire of this underground cable is UV protected to resist weathering; 12-1/2 gauge underground cable size: 50 ft. This 50 ft. underground cable is rated to 20,000 volt In practice, underground cables are generally required to deliver 3-phase power. For the purpose, either three-core cable or three single core cables may be used. For voltages upto 66 kV, 3-core cable (i.e., multi-core construction) is preferred due to economic reasons The most common cables used for this type of installation are steel armored outdoor fiber cables. Trenching is slower than plowing in; however, it allows a much more controlled cable installation. Underground Duct Installation The next method is an underground duct installation. The cables are plowed through underground ducts, which protect the.

Underground Cables By Anu Singla Associate Professor Department of Electrical Engineering Chitkara University, Punjab Campus. 2. An underground cable consists of one or more conductors covered with some suitable insulating material and surrounded by a protecting cover. The cable is laid underground to transmit electric power. Underground cables Underground Cable Installation. I just need some answers. A technician came into my home on November 18th to install a coaxial plug, just to say that we do not have any cables in order to install it, so he submitted a Cable Bury Drop request. Although it said it takes up to 14 days, the official appointment was not set until December 18th (so. UNDERGROUND LOW ENERGY CIRCUIT CABLE 18/5 Sprinkler Cable Wire - 500 Foot Spool. $199.95. $52.10 shipping

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Call +91-8048763786. Contact Supplier Request a quote. Aerolex Cables Underground Armoured Cable, 1 Core ₹ 72/ Meter. Get Quote. Number Of Cores: 3 Core Underground Power Cable ₹ 60/ Meter. Get Quote. Havells XLPE Cables, 3 Core. ₹ 465/ meter Get Latest Price. Number of core: 3 Core The cable giant is installing underground conduit to run their fiber-optic cable primarily in urban areas and larger developments rather than the entire township. Quotable:.

The underground wire locator is designed to allow the user to track low voltage cables used for garden and landscape automatic watering systems, and also low voltage garden lighting systems. It can also be used to trace other metal cables. The system uses a transmitter to send a signal down the cable being traced or to a solenoid valve that is being located The AT-3500 Underground Cable Locator employs the proven 33 kHz frequency for most locating applications. To avoid lines at utility construction sites, it also offers the highly sensitive power and radio modes. Take depth measurements with the simple press of a button. Get an insight into the AT-3500 Underground Cable/Pipe Locator System features Underground DC cables on land. One technical option open for the construction of new power links as underground cables is to use DC voltage. We are integrating this technology into our transmission grid as part of a pilot application. Crucial to the integration of underground cable for DC links are the laws of physics - especially in relation. When it comes to installing landscape lighting wire or burying ANY type of wire, really, there is no denying a shovel is a requirement. BUT, not all shovels. Underground cables are installed in trenches of rectangular cross-section. After excavation of the trench, a layer of sand is placed in it to serve as a bedding, as shown in Figure 1. The basics of high voltage cables for underground transmission (on photo: London Power Tunnel Highbury 132kV Cables; credit: murphygroup.co.uk

The number of extra-high-voltage alternating-current (AC) underground cable systems installed in Colombia has grown rapidly. And Interconexión Eléctrica S.A. E.S.P. experienced difficulties when implementing its preliminary maintenance program for the first 220-kV AC cross-linked polyethylene (XLPE)-insulated underground cable circuit installed in Colombia Locata underground cable warning tapes are a part of the Cable Protection Covers range from Centriforce. They offer a cable protection and cable strike avoidance solution for identifying underground pipes and cables due to coloured polyethylene tapes printed with a warning message.. Cable protection and strike avoidance products are used new utility and electricity connections where mains. Greenlee BLL-200 Underground Cable Locator. (4) $2,059.18 $1,898.67 Sale. Call 602-795-8292 for Best Price Free Shipping. Add To Cart

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  1. Medium Voltage Underground Cables 2 Cable solutions to ensure the reliability of your energy network With energy as the basis of its development, Nexans, the worldwide leader in the cable industry, offers an extensive range of cables and cabling systems The Group is a global player in the infrastructure, industry, building and Loca
  2. An underground cable essentially consists of one or more conductors covered with suitable insulation and surrounded by a protecting cover. Although several types of underground cables are available, the type of cable to be used will depend upon the working voltage and service requirements.. In general, an underground cable must fulfill the following necessary requirements
  3. Underground cable and ducts are part of the underground conduit system. Telecommunication conduits are made from various materials and buried directly into the soil or encased in concrete. Fiber optic cables have provided a more optimal use of available underground conduit space because of its small cable diameter and the much highe

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  1. The EMF radiation from underground cables can be harmless if the cables are deep enough in the soil. Take a look at the cable records to find out about their location and position. However, the intensity of EMF radiation from the underground cable is lower than overhead lines. Therefore, they may be a better choice
  2. MAXIAMP Underground is the most technically advanced below grade power feeder system on the market. It is typically used as a primary, secondary or backup power feeder from 1000A to 8000A and 480V to 46kV. The engineered system combines a MAXIAMP Cable Bus with United Wire & Cable's proprietary, specially designed precast concrete trench with.
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  5. PPC - Underground Electricity Cable 'Compensation / Rent' Thread starter Dancook; Start date Jul 7, 2020; Tags cable Dancook Distinguished Member. Jul 7, 2020 #1 Just had this come through the door, suggesting the electricity company should pay us rent for underground electricity cables
  6. 18 ABB TECHNICAL DATA FOR CABLES IN THE ABB XLPE UNDERGROUND CABLE SYSTEM Technical data for cables in the ABB XLPE underground cable system Cross- Diameter Insulation Diameter Cross- Outer Cable Cable Capaci- Charging Inductance Surge section of con- thickness over section diameter weight weight tance current impe- of con- ductor insulation of.
  7. underground cables. The large initial cost associated with cable installations makes it important to carefully select the proper cable types and sizes to serve the loads. 1.3 Research Goal The goal of this work is to perform thermal studies for Salt River Project (SRP)'s 69 kV underground cable systems using analytical and numerical methods

Cable installation into a pre-installed underground ducts/pipes by manual pulling or by puller machine is called as Pulling Method. In this method, cable is pulled through duct/pipes with the help of pre-installed rope inside the duct/pipes. Optical fiber Cable pulling in underground horizontal duct routes requires some special. The CAT 4+ is Radiodetection's entry level underground cable and pipe locator (CAT is an abbreviation of cable avoidance tool) and this is the 4 th generation locator, although it is backwards compatible with the CAT 3 locator system, so for example the CAT 4+ genny will work with the CAT 3 locators, if it is ever required to. It's a useful.

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Our Triplex Conductor Underground power cable is suitable for direct burial applications, installations in ducts, and underground systems that operate at 600 volts or less. It is also suitable for non-code-complying temperature of 90°C in wet or dry locations in accordance with ICEA specifications Underground Cable. MacLean Power Underground Cable Racks and hooks are used for supporting cable runs in manholes and vaults. The J5120 series are made from 3/16 x 9/16 x 1-1/2 hot rolled channel with T-slots for attaching hooks spaced at 1-1/2 intervals. 8, 14, and 18-hole racks have 3/4 x 19/32 mounting slots at each end which interlock so. UF-B underground feeder cable is electrical wire that can be buried directly in the ground, with or without conduit. It is typically used as a feeder or branch circuit cable to extend electrical service underground from a main building to a secondary facility An underground feeder cable's prime purpose is to bring the power from the residential, commercial, and industrial buildings to outdoor constructions, which include pumps and lighting constructions. The electrical cable is suitable for direct burial, as well as direct exposure to the sunlight. It is permitted for use as feeder or branch circuit.

Applications: UF-B cable is typically used as an underground feeder cable to distribute power from an existing building to outdoor lighting fixtures, pumps, outbuildings and other outdoor equipment. The cable can also be used as direct burial cable. Its applications are outlined in Article 340 NEC 2008 and NEC 2011. UF-B is rated at 600 volts All of our wire tracers and underground cable locators are safety certified with 3rd party labs and are CAT rated to keep you safe when working with energized systems. Kits (7) Amprobe AT-6010 Advanced Wire Tracer Kit. Easily locate electrical wires, breakers, and fuses. Work safely on energized circuits without the.. underground cables on Western Power's distribution system. The specifications, procedures,practices and instructions contained in theUCIM detail the technical requirements to be followed by Service Providers; and act asa reference for auditingand assessment

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Re: Underground Cable on my property needs to be moved. 09-20-2015 04:58 AM. Message 2 of 3. (5,115 Views) Call verizon. If they do not remove it from your property, give then a time limit and then cut the cable. My daughter did that and they removed it as soon as customer started complaining Underground Devices manufactures duct spacers and bore spacers for underground encasement of conduit and nonmetallic cable racking for use in power and communications manholes. Underground Devices is the originator of both duct spacers and nonmetallic cable racking. This site contains general information about all of the products and services.

Southwire 12/2 NMWU 30M Underground Copper Wire. (5) $133. And. 00. Cents. / each. View Details. Out of Stock Online Installing underground electric cables involves several steps including - conduit and manhole installation, cable pulling, and cable splicing. Installation of Underground/Submarine Electric Cables. The proposed cable will be installed in a steel pipe, which provides protection from accidental dig-ins. The pipe 7,824 underground cable stock photos, vectors, and illustrations are available royalty-free. See underground cable stock video clips. of 79. electric cables undergorund underground power cable underground power cables digging cables laying cable underground electrical underground power outdoor fiber optics railway lines underground fiber. Try.

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Methods for Splicing Underground Electrical Cables [ad#block]Electrical Question: How are underground electrical power cables spliced? We have an underground power cable network. We used some cable splice kits for jointing the under ground power cables, however, they did not work Request a Quote from Underground Devices Manufacturers of Duct Spacers, Bore Spacers & Nonmetallic Cable Racks. Underground Devices manufactures duct spacersand bore spacersfor underground encasement of conduit and nonmetallic cable rackingfor use in power and communications manholes.. Underground Devices is the originator of both duct spacers and nonmetallic cable racking Underground systems face outages from trees collapsing on above-ground transformers and switch boxes or from tree root systems uprooting buried cable when trees topple. While a neighborhood may be locally served by underground cable, all electric service eventually comes back above-ground and connects to overhead service, either in the.

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Underground cables at lower voltages are covered in the pages on distribution. 4% of the high-voltage electricity network in England and Wales is underground, mainly in urban areas or areas of great scenic beauty. With underground cables the individual conductors, being insulated, can be closer together, leading to greater cancellation and. Underground cable protection is important to the success of companies across the country. When underground cables fail, the companies using them might not be able to operate for days at a time. These cables must be protected around the clock so power is not lost or the internet continues to work properly. Here are som Shop Underground Wire - Wire and Cable in-store or online at Rona.ca. Find the right Electrical and Lighting on sale to help complete your home improvement project

AEP Ohio is working to improve electric service for your and your neighbors. We'll be checking underground cables to ensure they meet our standards. Our contractor, Novinium, will conduct tests to determine if the cable is in good shape or needs to be repaired or replaced. Why. The life expectancy on any underground conductor is approximately. Underground cable installers tend to use one of these two tools: Directional boring tools: These small drilling rigs can lay cable in a shallow area with easier operation than larger options. Horizontal directional drilling tools: A horizontal directional drilling tool can handle projects involving long lengths of cable and deep trenches. 4 underground cables. These concerns were expressed in a letter dated February 05, 2004. A public meeting was held in June 2004 to discuss the staff concerns and review available information. Following this meeting, NEI agreed to consider the concerns. After consultatio use a direct burial cable, placed in the soil without conduit. Known as UF for underground feeder, the cable has a heavier plastic sheathing than the Romexâ„¢ used inside the house. As with installing indoor wiring, there are some rules to follow. Most of the rules involve protection of the wiring from damage Underground Cables. One of the main dangers which may arise when digging is that of possible injury from underground power cables. The illustrations below outline the most common circumstances leading to contact with live electricity cables

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Underground electrical cable systems are used by power companies around the world. Two recently updated specifications and guides provide system designers and engineers with important information. Huadong is a reputable underground power cable manufacturer from China. We have high quality 1kv underground armoured cable underground cable 4*95mm2 and 3*240+120 at factory price. If you want to buy cheap underground copper cable, just contact us Underground Cable Fault Locator Underground Cable Fault Distance Locator. Before attempting to find underground cable faults on direct hidden primary cable, it is essential to know where the cable is situated and what direction it takes. If the fault occurs on the secondary cable, then knowing the exact route is even more critical

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The techniques and technology for locating underground cable appear straightforward at the surface. The principals involved are fairly easy to understand, but as soon as you start digging, you find there is a great deal of skill and experience required to properly use them Underground cable faults are damaging to cables which result in a resistance in the cable. If permitted to continue, this can lead to a voltage breakdown. The different types of cable faults, which must first be categorized before they can be situated. The protection of the cable plays a vital role in this Rodder And Puller Equipment For Underground Cable Pulling. Timberland Equipment is the industry's complete source for underground cable pulling and sewer maintenance equipment. Timberland is the exclusive manufacturer of original OK Champion power rodders, cable scrappers and reel loaders. Cable Scrappe Amprobe AT-3500 Underground Cable Locator. Rated 4.11 out of 5. Read more. Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low. Showing all 5 results Underground Cable MCQ. 1. Dielectric strength of rubber is around. 2. In single core cables armouring is not done to. 3. The minimum dielectric stress in a cable is at. 4. Conduit pipes are normally used to protect _____ cables Underground Electrical Cable Burial Depths Building Safety Division . In order to protect the public and prevent damage to underground electrical infrastructure the California Electrical Code prescribes burial depths for underground cable/wire installations. Burial depths vary depending on the location and typ