19 Sep 2020. From my broadcast engineering days, ground the shield at the source. Grounding the mast is easy. Grounding the mast is easy. Handling Excess Cable Observe the following guidelines when handling excess cable. They are easy to use and effective in grounding single cable shields. Ideally, signal returns should be isolated from ground and any shields terminated at one end only. It&39;s recommended to use a separate clamp, and. this may or may NOT be long enough. Jul 24, 2019. The wiring is simplified because you remove any ground wires and leave only the signal-carrying wires. Nov 1, 2007 A properly bonded and grounded shielded cabling system further protects twisted pairs from external noise by carrying induced current along the continuous foil shield of the cable to the transceivers at each end of the cable. Shielded wire helps eliminate. Solution · Strip the insulation close to the motor cable ends. This is because one piece of this wire also goes to the bridge. Impedance-balanced drive of balanced shielded cable aids noise-immunity with either balanced or single-ended source signals. The aluminum shield in communication cables is there to reduce the effect of external electrical currents on the wires in the cable. After you figure out what is what, then you can make a more permanent solution. If you don&39;t have an available ground on a pre or other unit, run the ground to a wallplate screw (provided your outlet is grounded). Leave the sensor end of the power-supply cable open. In order for you to properly install Snip the shield back so about 15mm is left. For sensitive circuits, a harness in which the wirecable is routed may also be shielded. If you decide to proceed with using shielded cabling, make sure all your other components are of the proper matched type or you will have wasted a great deal of time and money to install an unrated (i. You are installing a generic, 100-ohm screened twisted-pair cabling system--a lot of basic links; therefore, you should ground the shield of the cable in the telecommunications closet (TC). Additionally, if the wire is not properly insulated, it can also create a fire hazard. The resulting voltage drop is additive to the signal. Connect the bare shield-drain wire to the same location as the ground (black) wire. The most important shielded wire is usually from the input jacks to the first preamp tube. 5 M) Micro Motion 4-Wire Shielded Cable With Drain Wire For Grounding, 15 Feet (4. Glenair&39;s CSGA are designed to insure both reliable EMIEMP shielding as well as strict environmental protection. Generally, the cable shield is bonded to the grounded equipment chassis or rack at each access or patch location. Then 10 to my Bluesound node 2 then glass fiber to my Oppo. 0m, 2. One of the cables is protected by a grounded shield to divert fault current to ground. The amp itself is, of course, an electric device. From my broadcast engineering days, ground the shield at the source. The 3C Arm VFD cable is for 3-phase power Ground Aluminum Sheath. You are running shielded Ethernet cable to a PoE. Maybe one end connects to ground at the transmitter, and the other end connects to an antenna balun or like that, which might not be itself grounded, but you need to connect the shield at both ends. Ground Clamp Preparation - FOIL SHIELDING. A properly bonded and grounded shielded cabling system further protects twisted pairs from external noise by carrying induced current along the continuous foil shield of the cable to the transceivers at each end of the cable. Apr 13, 2013 Shielded wire or cable is typically connected to the aircrafts ground at both ends of the wire, or at connectors in the cable. Each of the Ethernet cables has two twisted pairs, is double shielded, and the overall cable is also shielded. Cat 8 Shielded Booted Cables. The idea is you want the shield to be the same potential as the AGND so there is no capacitive coupling within the cable or sensor housing. At minimum, the cable should be protected either by a foil jacket with a drain wire or by a braided-wire shield that is grounded. 5 M) Add to Cart ADD TO WORKSPACE Specifications Documents & Drawings Specifications Compatibility Micro Motion ELITE Peak Performance Coriolis Flow and Density Meters. The circuit in Figure 3 shows a potential difference between earth ground 1 and earth ground 2. Ground loops cause a lot more noise than warranted, considering how easy it is to eliminate them with thoughtful installation. However, when strain gauge wires need shielding, use quality cable, such as the CA-177 stain gauge cable, and connect the shield to the DB9 metal shell. The better method would be to use shielded armor cabled or PVC jacketed shielded cable instead of conduit from the drive to the motor. Differential Encoder Wiring B3 9 B4 1492-AIFMCE4 10 1 Cables are available in 0. Grounding both ends of the shield simply increases the circuit length, creating a loop with external conductors, including conductive soil. Click here to enlarge image. Coaxial, triaxial, twinaxial, or quadraxial cables should be used, wherever appropriate, with their shields connected to ground at a single point or multiple points, depending upon the purpose of the shielding. Shielding angles of about 30 degrees is used for majority of transmission lines with tower heights in the range of 25 m. a ground "shield" is a ground wire that is wrapped around another sensor&39;s wiring (such as crank sensor, wideband, etc), that is grounded at . 5-6mm Part Number 2500651487 MPN STBXSP3010 Product Type Industrial Controls 0. In the low frequency range the twist method works just like shielded cable but better for this application. Aug 14, 2015 Now, we are buying IFM cables with a M12 plug at the instrument end and they have the shield connected to the nut that attaches the cable to the M12 receptacle at the instrument, thereby grounding the shield at the instrument. Figure 4 shows that the ground loop current through the shield is eliminated when its ground connection is removed from earth ground 2. In this picture, the left-hand cable uses foil, and the right-hand cable uses braid. Installers attach, or "ground," the shield wire to each wood or metal pole on the line, with wire running down the poles to the ground. Grounding Encoder Wires. Simply attach an 8 or 10 AWG copper wire to the mast using a mast ground clamp and run the other end of the copper wire to the house ground. By grounding the. Shielded Instrument Wire. Image 3. Easy to terminate, these connectors are useful for creating custom-length patch. The shield may be composed of braided strands of copper (or other metal, such as aluminium), a non-braided spiral winding of copper tape, or a layer of conducting polymer. If you do not ground the shield, EMI will induce voltages in the shield which will also be seen on the signal owing to the capacitance effect of the coaxial cable. Do not separately ground that auxiliary wire to another ground (like a ground rod). Just make sure the ground wire is connected to. When the shieldscreen is grounded at one end only, the grounding is . Grounding the mast is easy. The correct place to connect an electrostatic shield is at the reference potential of the circuitry contained within the shield. However, in my research of this topic, I was a little confused about why one wouldn&x27;t ground both ends of the cable. Failure to bond the two systems will result in differences of potential and cause arcing to other grounded systems. I usually go to the PowerChassis ground. If you have a reading less than five ohms, the ground is okay. Soldering aluminum solid shields is impractical. Image 3. this may or may NOT be long enough. 3 Sep 2022. Any electrical field on the sensor shield will flow down the shield to the AGND and be shunted away from your sensor. Figure 1. 2 shows a typical two-conductor shielded cable prepared. comwatchvc0mU0jOuL1I&t157s Anything similar would work, even twisting a ground wire to the cable&39;s grounding (and securing it with electrical tape). Usually, rather than attempting to ground the entire shield, the drain wire is used to terminate and ground the shield. Grounding the mast is easy. Bekaert produces durable . This shielded cable and jack combination from Panduit provides 360 shielding termination. Step 12 Using the oval cutout in the linemans pliers, carefully ovalize the last 0. Additionally, if the wire is not properly insulated, it can also create a fire hazard. For Welding Work Suitable for high current grounding, such as gas shielded welding, argon arc welding, resistance welding, stud welding, etc. If this is not possible then one end of the shielded cable can be terminated via a 100 nF capacitor. Not only is NM cable light, but the slippery coating makes the cable easy to pull through holes in studs. 5-6mm Part Number 2500651487 MPN STBXSP3010 Product Type Industrial Controls 0. and now the ground current flows mainly through the bonding wire, but the intense magnetic field that may result is not good news. Check to be sure all eight golden contacts are down, and the conductors are fully flush cut Step 4. ), a current must flow in the shield to produce a counterflux, which opposes the applied flux. Third, skip the shielded conductors unless the conductor is exiting the structure. 1 Mei 2005. This video outlines using solder splices to ground the. the ground to the trem claw. All shield drain cables and DC cables must be joined and connected to the insulated bus bars. How do you ground a coaxial cable Grounding the coaxial was the hard part. Any electrical field on the sensor shield will flow down the shield to the AGND and be shunted away from your sensor. Electromagnetic Interference (EMI) is caused when electromagnetic fields (radio waves) induce high-frequency (HF) voltages in a wire or component. If the wire is touching any metal surfaces, it can create a short circuit that could cause an electrical shock. Jan 15, 2010. Jan 3, 2013. BX is heavy and difficult to run through studs. If you were to add jumpers between pots, youd be creating a Ground Loop, and introducing noise into your circuit. Figure 5 shows recommended wiring for all combinations of balanced and unbalanced IO interconnections when 2-conductor shielded cable is used. A magnifying glass. In this picture, the left-hand cable uses foil, and the right-hand cable uses braid. Electromagnetic Interference (EMI) is caused when electromagnetic fields (radio waves) induce high-frequency (HF) voltages in a wire or component. 12 Nov 2021. This is because if the two ends are grounded, because the grounding resistance is different, the grounding potential of the wire is also different. How to Use Take out the product and use it after installation. sure ,there is no necessary to ground it ,it can work just like normal UTP ,by the way There are a number of reasons you don&x27;t use shielded cable in the home environments ,Technically it should be grounded at one point (the patch panel) using a copper bus bar that attaches to vertically buried 6 foot long copper rod via at least a 6 gauge. 24 Des 2018. Came across the video below which explains how to terminate and join the grounds for a shielded, multi-cable wire using a solder shield. A shielded cable or screened cable is an electrical cable that has a common conductive layer around its conductors for electromagnetic shielding. Learning to read and use wiring diagrams makes any of these repairs safer endeavors. Cannot remember the cat cable I bought but do remember I did quite a bit of searching before buying. The model assumes that the cable is jacketed, so that a shield is not in contact with a ground plane anywhere except possibly at the ends. It&x27;s the components that need proper grounding to prevent ground loop, not the cable. To reduce penetration of a magnetic flux through the nonferrous shield (lead, copper, bronze, etc. Cable Shield Grounding Assembly 770-008 Straight Heat Shrink Boot For Use in Naval Shipboard Electronic Equipment Glenair, 1211 Air Way, Glendale, California, 91201. Isolated grounding is not necessary; facilities ground is preferred, but it has to be tested and good. Simply attach an 8 or 10 AWG copper wire to the mast using a mast ground clamp and run the other end of the copper wire to the house ground. , Cat-Nothing) system. Shielded Ethernet cable is the standard for large commercial networking purposes, because it. I ended up with a bunch of shielded CAT6A cable, so I am working on re-wiring my house and getting rid of the old UTP CAT5. In some cases, the insulated outer shield of triax and quadrax offer the shielding and the isolation desired. Oct 1, 1996 A generic cabling system is made of basic links, not channels. Isolated grounding is not necessary; facilities ground is preferred, but it has to be tested and good. Just as with ground loops, sensor-wire loops can . After you figure out what is what, then you can make a more permanent solution. With Sheath The handle of the earth wire clamp has sheath, which is comfortable to hold, labor saving to operate, safe and reliable. 30, 1996. This includes all wiring harnesses, cable assemblies, and aircraft. A braid is a woven mesh of bare or tinned copper wires. 22 Jan 2020. Unwrap, straighten, align and cut to length the wires; typically. Drain Wire is an uninsulated wire included in shielded cabling that runs the length of some coaxial cabling or shielded twisted-pair (STP) cabling. There are two different types of cable shield used within shielded cable foil shielding (foil shield) and braided shielding (braided shield). In a few cases, you may leave one end floating to prevent a ground loop. Installing a camera system and used cat6 shielded cable and cat6 rj45 shielded connecters. A capacitor at the instrument end of a shield that connects to measurement ground improves performance because high-frequency signals look for the shortest path to ground. Hi everyone. A magnifying glass. The wire remains in contact with the metallic side of the shielding tape all through the body of the cable. For Welding Work Suitable for high current grounding, such as gas shielded welding, argon arc welding, resistance welding, stud welding, etc. Google has turned up no info. Do not ground the cable shield at the work-area outlet. . Grounding of shield is sometimes necessary. There are two different types of cable shield used within shielded cable foil shielding (foil shield) and braided shielding (braided shield). 18 Sep 2017. If the shield voltage gets higher then it may lead to electric discharge and create unsafe conditions. The general advice of wire manufacturers, and the general configuration of pre-manufactured cables, is. Cables not requiring a ground lead for the shield may use heat shrinkable sleeving over the braid, after it is trimmed, to eliminate fraying. Since this area is not shielded, any surrounding electronic frequencies (flourescent lights, computers, etc. Does a Ground Wire Need to Be Shielded No, a ground wire does not need to be shielded. The (-) terminal of the microphone appears to be grounded - you can see the four radial lines between the 'thermally disconnected pad' and the ground plane. The maximum shielding a braided shield can have is 90. Another look at Figure 2 and Figure 3 shows that a sensor and its signal wires form a loop. After some reading I was convinced that I have three options The best connect A and B lines to a twisted pair, signal ground (SG) line to therd wire in the cable (or to a second twisted pair) and connect cable shield to protection ground (PG) only at one side (important) of the network. To adequately ground shielded cable wire, the shield should is grounded at the ends. Does a Ground Wire Need to Be Shielded No, a ground wire does not need to be shielded. EMI shielding and grounding materials from 3M are flexible and versatile to work with a wide range of applications medium-pitch flexible circuits, PCB-to-flex grounding, antenna grounding and more. From field instruments, all the way to sorting cabinets, shield drain. sure ,there is no necessary to ground it ,it can work just like normal UTP ,by the way There are a number of reasons you don&x27;t use shielded cable in the home environments ,Technically it should be grounded at one point (the patch panel) using a copper bus bar that attaches to vertically buried 6 foot long copper rod via at least a 6 gauge. Learn how to properly grounding cables and wires to avoid interference and noise on signal carrying lines. A poor ground may be worse than none at all. First, failure to properly bond WILL cause interference. First, failure to properly bond WILL cause interference. Not only is NM cable light, but the slippery coating makes the cable easy to pull through holes in studs. Installers attach, or "ground," the shield wire to each wood or metal pole on the line, with wire running down the poles to the ground. For Welding Work Suitable for high current grounding, such as gas shielded welding, argon arc welding, resistance welding, stud welding, etc. You can put all of your limit switches (including the E-stop which serves the same purpose as the limit switches) and home switches on a single pin. When grounding both ends of the communication cables it must be ensured that each cabinet is efficiently grounded to avoid the communication cable shield to . From my broadcast engineering days, ground the shield at the source. Step 2 If a ground braid is present, pull the stitching from the braid back 2. above the outer jacket. 11 months. I got the wire at Lowes in their pay-by-foot wire section. In a general sense, tying the shield on both ends to ground is bad for. Simply attach an 8 or 10 AWG copper wire to the mast using a mast ground clamp and run the other end of the copper wire to the house ground. At minimum, the cable should be protected either by a foil jacket with a drain wire or by a braided-wire shield that is grounded. Disadvantages of Foil Shielding. Cat 66A Bulk Wire. This shielded cable and jack combination from Panduit provides 360 shielding termination. The wire shield made an immediate difference on reducing the hum. By grounding the. Second, the bonding system must be connected to the ground electrode conductor or electrode of the electrical system. Cannot remember the cat cable I bought but do remember I did quite a bit of searching before buying. The shield conductor of a shielded cable should be connected. The best solution is to use an equalising connection in parallel with the shielded cable. In traditional CATV designs the COAX is grounded at the pole or pedestal at the street and at the house using a ground block bonded to the home grounding rod per NEC code. Twisted pair is the ordinary copper wire that connects many computer networks to the telephone company. Additionally, if the wire is not properly insulated, it can also create a fire hazard. Handling Excess Cable Observe the following guidelines when handling excess cable. Peel open the cable shield. A shielded wire is really two wires. Apr 13, 2013 Shielded wire or cable is typically connected to the aircrafts ground at both ends of the wire, or at connectors in the cable. Check to be sure all eight golden contacts are down, and the conductors are fully flush cut Step 4. Ground it on one side only. Check your local codes. This video outlines using solder splices to ground the. Enjoy your cable. But I&39;m wondering where and how to connect to ground The circuit board I&39;m using are bought, and have a ground plane, but I can&39;t see any grounding points. Do not ground the cable shield at the work-area outlet. The (-) terminal of the microphone appears to be grounded - you can see the four radial lines between the 'thermally disconnected pad' and the ground plane. Yes, the shield current would be capacitive under norma; conditions. The process of making small gauge wires in a woven pattern defines braided shielding. How do you ground a coaxial cable Grounding the coaxial was the hard part. As an example of this, I installed a Carrier Infinity system at my own house WITHOUT using the shielded cable. 5 M) Micro Motion 4-Wire Shielded Cable With Drain Wire For Grounding, 15 Feet (4. Only experimenting will tell. It&39;s recommended to use a separate clamp, and. See Figure 1. Click here to enlarge image. Do not separately ground that auxiliary wire to another ground (like a ground rod). Shielded 2-Conductor Connectivity. The airframe grounded structure may also be used as an EMI shield. 1K subscribers Subscribe 620 Share 48K views 3 years ago Learn how to properly grounding cables and wires. One end of the cable is plugged in a camera and the other end is plugged into a switch. This point will vary depending upon whether the source and receiver are both grounded or whether one or the other is floating. This will help to protect your data during transmission. 18 Sep 2017. Introduction Grounding Series Part 11, Grounding of Shielded Wire & Cable RSP Supply 74. There are so many considerations when bonding shielded wires. Make the shield connection to ground as close as possible to the sensor connection to ground to avoid a difference in potential between signal and shield grounds. The induced voltage can cause system inaccuracies or even failure. Usually, rather than attempting to ground the entire shield, the drain wire is used to ease termination of the cable shield for crimping for soldering. gamepigeon on android, cheap tanning chairs
The induced voltage can cause system inaccuracies or even failure. . How to ground shielded wire
Yes, a polyphaser that is connected to ground will ground the shield of your coax but not the center conductor. For industrial power distribution application or small runs inside substation Use power cable with tape shield. Additionally, if the wire is not properly insulated, it can also create a fire hazard. Cut the loose portion of track "A" and. , Cat-Nothing) system. Check your local codes. Additionally, if the wire is not properly insulated, it can also create a fire hazard. Use only one end of the shield inside equipment. 2 ecu sensor ground pin, wire, crimp, shield wire. Putting each into its own grounded chassis will help keep them isolated and the opto-isolators help keep them isolated. The distance d must conform to the standards with a minimum of 50 mm. The test setup consisted of both an unshielded wire (used for a worst-case baseline of emissions) and a shielded coax cable. Third, skip the shielded conductors unless the conductor is exiting the structure. Observe the following guidelines when bonding the motor power cable shield to ground. First, failure to properly bond WILL cause interference. It&39;s recommended to use a separate clamp, and. Then use your wire stripper to expose the stranded wire on the shielded wire. The idea is to shape it. Later in the 1960s there was much plastic jacketed 2-wire NM cable used. BX is heavy and difficult to run through studs. You are installing a generic, 100-ohm screened twisted-pair cabling system--a lot of basic links; therefore, you should ground the shield of the cable in the telecommunications closet (TC). As a result, two ground loop paths are generated when the shield, sensor return, and sensor shield are all grounded to earth ground. Cannot remember the cat cable I bought but do remember I did quite a bit of searching before buying. When the shieldscreen is grounded at one end only, the grounding is . Learning to read and use wiring diagrams makes any of these repairs safer endeavors. Foil shield works in tandem with a tinned copper drain wire to ground the shield. &183; Cable shielding uses either a braided, spiral design or metal-coated Mylar or foil shield. shielded patch panels will use this same ground. Input pot side. The distance d must conform to the standards with a minimum of 50 mm. That&x27;s how shielding works. See Figure 1. Scenario 2. Shielded wire, shield shorted to ground. style lug and appropriate gauge cable. Impedance-balanced drive of balanced shielded cable aids noise-immunity with either balanced or single-ended source signals. Low-level circuits are often interconnected using shielded cables, mainly for protection against externally induced noise. It&39;s recommended to use a separate clamp, and. 1 x Length of shielded cable 1 x Soldering iron and solder Choose which shielded cable to use. In some cases, the insulated outer shield of triax and quadrax offer the shielding and the isolation desired. Braided shields provide less coverage than foil shields, but are much more durable. Three-prong power plugs connect the chassis of both AV components to the house power distribution ground wire. You can also use shielded, twisted-pair wires to deliver power from a supply to a sensor. The wire on the inside carries a signal. There is no better shield. The effects of signal . Feb 1, 2009 For the end where I want to ground the shield, I make a mark about four fingers&39; worth back from the end Gently score the outer insulation all the way around, then flex the wire back and forth until the insulation breaks. In practice, a signal wire may be protected by a conductive metal mesh or tape wrapped to form an EMI shield. The drain wire is used to create an electrical connection between the shield and the circuit ground. The shield clamps are mounted on ring cable lugs which can be crimped on PE conductors. routers and modems), Bluetooth devices (e RFIF and RFID - RFI and EMI - Shielding and Absorbing Materials are in stock at Digikey The shielding is placed on the interior of the wall on which the. 1) The ECU already has the pull-up resistor for sinking output (open collector) sensors inside, so don&x27;t add anything. Grounding the mast is easy. The ground wire works as a shield for phase conductors from direct lightning strokes. This would be used where a shielded wire is required and where the braided shield needs to be terminated and joined to either the connector for ground or to a ground terminal pin. In the process of one-point grounding, the choice of location is also very important. Do not ground the cable shield at the work-area outlet. Then 10 to my Bluesound node 2 then glass fiber to my Oppo. The largest benefit is the protection of the cable insulation. Skin the cable about 2 inches back. B8 22 B9 21 B10 20 B11 19 3 Follow your PLC High Speed Counter User Manual for proper cable type, length and shield grounding instructions. Foil shield works in tandem with a tinned copper drain wire to ground the shield. When that happens, the signal in the cable can become distorted. The shield acts as a Faraday cage and prevents EMI from reaching the internal signal wire. Pretty sure my cat cable is 50 from the modem to the router. See Figure 1. Alls good, never an issue. Shielded, grounded 12&x27; AC power cable, low outgassing and RoHS-certified Wire stripper Wire nuts Wrench, to loosen base screw of lamp. Grounding of shields can be a controversial subject because there are several ways to do it. To do this, take a jumper wire (we are using tinned copper in this instance) and thread it through the hole where the jack socket wires go. Since this area is not shielded, any surrounding electronic frequencies (flourescent lights, computers, etc. Advantages of Foil Shielding. They are easy to use and effective in grounding single cable shields. 1K subscribers Subscribe 620 Share 48K views 3 years ago Learn how to properly grounding cables and wires. Ground tape shield at one end only. Login Or Create Account EA Min 1 EA Add to Cart. It will be the ground reference for the signal and the shields will be only shields. A ground wire is used to complete the circuit and provide a path for current to flow back to the source. The wire has a red and black and then a wrapping foil with a single shield wire that can be used to wire the shield into the circuits. 4 out of 5 stars 43. If you play your guitar in an environment that receives a lot of this kind of interference, the shielded guitar wire modification can help quiet your guitar considerably. Oct 4, 2021 The cable should be soldered to a circuit board with and -. 10 Mar 2020. More information. The braid provides a low-resistance path to ground and is much easier to termination by crimping or soldering when attaching a connector. 1 Okt 2019. Then 10 to my Bluesound node 2 then glass fiber to my Oppo. Typically, the cable shield is grounded through the connector to the patch panel. Grounding motor power cable shields. If you were to add jumpers between pots, youd be creating a Ground Loop, and introducing noise into your circuit. Bend it around the corner and solder each end to the copper tape. 1 Okt 2019. Step 4 Wrap Zippertubing around cable and zip closed. You can also use shielded, twisted-pair wires to deliver power from a supply to a sensor. If needed, run a separate ground wire to the volume control or where ever the signal is going. Foil shield works in tandem with a tinned copper drain wire to ground the shield. Leave the destination end of the cable shield unterminatedunconnected. Connect the bare shield-drain wire to the same location as the ground (black) wire. 18 Feb 2016. One of the cables is protected by a grounded shield to divert fault current to ground. The problem I ran into was using the braided, shielded wire as a ground. Shielded Ethernet cable is the standard for large commercial networking purposes, because it. Shielded twisted pair (STP) is a special kind of copper telephone and local area network (LAN) wiring used in some business installations. Let&x27;s consider the amplifier. If grounded at both ends, then ground fault current could flow in the shield and confuse the relaying if the shield ground lead isn&x27;t brought back through the CT. It can be worse than no shield at all. Login Or Create Account EA Min 1 EA Add to Cart. So drill into the slab and pound 8 feet of copper into the earth, repair the busted slab, and run 0 or or larger cable straight to the rack. On the surface, this may seem straight forward use a shielded wireharness and achieve EMI protection. When it's connected at only one end, it. That means you lose 8". If the shield is used as a signal return then it becomes a coax type connection and the shield must go directly to the circuit common at both ends. Input pot side. Shielded wire or cable is typically connected to the aircrafts ground at both ends of the wire, or at connectors in the cable. . 5205002 cross reference chart