Stranded copper wire resistance Introduction The key to successfully resistance welding stranded copper wire to a variety of different terminals is to prevent the stranded copper wire from spreading out during the welding process. Thereisalsodataavailabletocalculatetheacordc resistance of conductors at many temperatures and frequencies. Stranded wires are calculated by calculating the equivalent cross sectional copper area. 152 0. Bare copper wire data including diameter, cross-sectional area, weight / length, and resistance / length for different sizes from 0000 to 56 AWG. Stranding shown in classes 5 & 6 gives the maximum strand diameters and may have less strands provided the conductor does not exceed the resistance figures shown. Nov 18, 2023 · The key distinctions:solid vs stranded wire in our thorough comparison. 250 0. 121 0. Apr 23, 2021 · You must first determine your application’s requirements for weather resistance, flexibility, and resistance to splitting or severing. 50 30 7/38 For a solid wire of the same gauge or CM, the resistance will be slightly less than that for a stranded wire. O. 2609 ohms/ft. This wire resistance calculator can quickly compute the electrical properties of a specific wire - its resistance and conductance. #4 stranded copper ground wire was attached to 3"4 copper water line. Electrical Wire Gauges Solid and Strand Wire AWG Table For a solid wire of the same gauge or CM, the resistance will be slightly less than that for a stranded wire. "" House wiring is generally solid; wiring for machine tools, au-tomobiles, and aircraft is almost all stranded—for flexibility and redundancy in the face of vibration. Any general leads on which manufacturers I should contact or what equipment anyone else is using for a simalar job would be greatly appreciated. Breaking Force for Copper Wire Copper is one of the most widely used conductors in electrical wiring, prized for its low resistance and excellent conductivity. 89 644. Advantages of Solid Wire Lower resistance: Solid wire has a lower electrical resistance compared to stranded wire of the same gauge, allowing for better conductivity over longer distances. Stranded Conductors, Types of Stranding, and Stranding Classes Solid vs. This quality makes it ideal for applications like power tools or flexible cords where movement is frequent. 28 257. Solid & Stranded Specifications Conforms to ASTM B-1 for hard drawn, ASTM B-2 for medium hard drawn, ASTM B-2 for soft or annealed copper wire and ASTM B-8 for concentric lay. 125 0. Oct 23, 2024 · Summary For the same nominal cross-sectional area, solid wire generally has lower resistance compared to stranded wire due to the absence of internal gaps. The diameter information in the table applies to solid wires. 096 0. 0388 . Stranded tin coated copper conductors available in soft temper only. Resistance welding can be used to process stranded wires with a cross-section of 0. Feb 11, 2020 · Figures are for solid copper wire at 68 °F- resistance is approximate (stranded copper wire has more or less the same specs). Conductor Stranding: Solid vs. 27 0. 16 0. design, engineer, and manufacture commercial, military, and industrial electronic and electrical wire and cable. For example, a 12 AWG solid copper wire has a resistance of about 5. 620 0. Perfect for electrical projects, transmission, and industrial applications. At frequencies, where the skin depth is small compared to the wire radius, the equation for R HF is employed. Jun 1, 2025 · Learn the key differences between solid copper conductor and stranded copper cable. But even copper has resistance — and understanding copper wire resistance is critical for electrical engineers, electricians, and anyone working with wiring systems. 0143 . Note: These Electrical resistance in plain copper or aluminum wires. Let’s take a look at the differences and considerations, so you can decide whether stranded copper wire or solid copper wire cable is right for your Conductor resistances and conductor stranding (metric) Conductor resistances: up to 0. All wire gauges in AWG. Fusing Current (melting wire) is estimated based on 25 °C. Stranded Copper Wire & Cable Philatron Wire and Cable manufactures bare copper in both solid and stranded forms to create custom cables Applications of Class AA and Class A bare copper are used in overhead and distribution applications such as insulators for distribution circuits and coil cables. [3][4] Copper wire is used in Syston Cable. 25762 52097. We delve into every aspect, including feature ，Application and more. STRANDED BARE COPPER CONDUCTOR TYPES (SIZES 350MCM - 600MCM)Individual. How to use a Wire Gauge? In this article, we will compare stranded vs. Aug 16, 2021 · ""The resistance of the stranded conductor is slightly more than the solid conductor of equivalent cross sectional area. All resistance values in ohms. To illustrate, #20AWG copper wire has a cross-section of 1,000 circular mils (CM) and resistance/1000 ft of 10 ohms. Some cables are available in solid and stranded forms, but smaller cables are usually solid, and larger cables (usually larger than 6 AWG) tend to be stranded. THHN applications are suitable for use in dry locations only at temperatures not to exceed 90°C. How much exactly? We will show you how to determine wire resistance manually and using the Wire Resistance Calculator below (just input the wire gauge and length of the wire to get the resistance in Ohms). Easier termination: Solid wire is easier to Voltage Drop Calculator This is a calculator for the estimation of the voltage drop of an electrical circuit. 0001 Wire resistance calculations The n gauge wire resistance R in ohms per kilofeet (Ω/kft) is equal to 0. Dec 26, 2024 · Wondering whether to choose stranded or solid copper wire? Discover the differences between stranded and solid wire to find the best type of wire for your electrical needs. CONSTRUCTION Conductors: Concentric-lay stranded bare copper conductors available in soft temper only. Stranded conductors offer greater flexibility than solid (250 Kcmil - 750 Kcmil). When selecting the appropriate type of copper wire for a specific project, one of the key decisions is whether to use stranded or solid wire. #26 AWG, which is smaller, will have a cross-section of 250 CM and resistance of 40 ohms. I assume you are using 2RLI/1000 to calculate with. You'll need to know two parameters to be able to calculate the third. 00-. The wire is 12 AWG and the contact is . 55 501. Conforms to Federal Standard QQ-W-343. Dec 31, 2024 · Flexible stranded bare copper conductors suitable for non-tensioned full feeding jumpers, potential equalizing jumpers, continuity jumpers, structure and pole grounds, hangers and/or droppers and track bonding. Stranded conductors NOTE: Dimensions and weights are nominal values, subject to standard manufacturing tolerances. 386 0. Suitable for use in electrical grounding systems (including counterpoise grounding) and on insulators for overhead transmission and distribution applications. These tables include values of resistance, inductive and shunt capacitive reactances, and the geometric mean radius, together with the approximate ampacity for 60 hertz frequency. The "NEC data" tab calculates based on the resistance and reactance data from the National Electrical Code (NEC). 008 . In this article, we explain what copper wire resistance is, how it affects performance, and how to Dec 31, 2024 · Applications and Features: 30% Conductivity High Strength Copper-Clad Steel Wire is designed for use as guy wires for overhead lines, messengers, or span wires. Then, choose the wire that most closely meets those needs. The AWG table below is for a single, solid, round conductor. Electrical cables and wires are designed to carry electrical currents with the help of the conductor. 3048 × 10 9 × ρ(Ω·m) / (25. 46 638. BARE COPPER Description: Stranded conductors offer greater flexibility than solid. AWG gauge Resistance per 1000 feet Solid wire and stranded wire are both commonly used types of conductors, each with their own advantages and disadvantages. Nov 22, 2024 · Discover the key differences between stranded wire and solid wire to determine which is the best choice for your electrical applications, ensuring optimal performance. Terminal welding by means of resistance technology allows for connecting cable or braid strands to components such as terminals, plugs, welding rings and switches. A rope stranded conductor is described by giving the number of groups laid together to form the rope and the number of wires in each group. 41 402. The main advantages of solid wire include: Lower cost: Solid wire is generally less expensive than stranded wire due to its simpler construction. We sell our products to a diverse customer base of insulated wire manufacturers and various industrial OEMs for use in computer and data communications products, various energy Mar 27, 2023 · In this article, we will discuss bare copper vs. May 23, 2005 · This increases the resistance of the conductor. Understand when to use each type for better performance, flexibility, and long-term reliability. All wire is copper. Stranding: Soft, Medium Hard-drawn or Hard-drawn copper wires concentrically stranded, consisting of one or more layers of wires helically wrapped around a central wire. 55 32 7/40 . Wire Gauge,Diameter Resistance Table Wire Gauge Diameter Area /Cross Ohms/1000 feet Ohms/Foot Diameter Ohms/Meter AWG inches Copper Copper mm Copper 2 0. ISBN: 978-0-470-51685-0 Mar 8, 2023 · On the other hand, stranded electrical cables consist of multiple strands of thin copper or aluminum wire that are twisted together. 085 ,126 371. 60 251. This process significantly improves corrosion Aug 8, 2022 · Why aren't stranded copper coated aluminum cables (CCA) widely used outside a small niche of speaker wires or 12 VDC applications? According to this post the issue is with the insulation jacket whi Wire and Cable for Wind and Solar Electric Systems This table lists the American Wire Gauge (AWG) sizes for copper conductors. 127 0. APPLICATION: Copper THHN/THWN-2 conductors are primarily used in conduit and cable trays, when approved, for services, feeders and branch circuits in commercial or industrial applications as specified in the National Electric Code. 611 ohms, calculated using the formula for resistance based on the resistivity of copper and the wire's dimensions. Oct 1, 2021 · 4 When I measure a stranded copper wire or see a resistance spec from mfg it is about 25% higher than what is listed in the tables I see online for solid copper wire. 27 . The American wire gauge (AWG), also known as the Brown & Sharpe wire gauge, is a standardized system for defining the diameter of conductive wires. Other metals with fewer available electrons in their conductance band resist the flow of electrons 5 days ago · A great chart showing the specifications of stranded and solid copper wire - The Thelen Channel Stranded Bare Copper | Bare or Tinned, Soft (Annealed), Medium Hard, or Hard Drawn Stranded Bare Copper. D. Resistance describes how strongly a given cable opposes the flow of an electric current, and conductance measures a wire's ability to conduct it. CONDUCTORS: • Concentric-lay stranded bare copper conductors available in soft, medium-hard, or hard temper. 20 502. Copper Wire Resistance and Voltage Drop Calculator Stranded Copper Wire | ADIWIRE. 10 205. However, in high-frequency applications, the design of stranded wire can reduce the skin effect, thus performing better at high frequencies. It is ideal for high-temperature, high-frequency, and harsh environments such as aerospace, military, medical, and communication applications. 0 1217. Easier termination: Solid wire is easier to terminate in screw terminals or push-in Dc Copper cable resistance Ohms per 1,000 feet chart. 157 0. Click the "Other" tab to use customized resistance or impedance data Gauging the Difference April 2007 In Home Wiring, Lower Gauge Means Greater Power Someday you may need new electrical wiring in your home and the electrician may ask if you want 12 AWG or 14 AWG (American Wire Gauge). 00 . Stranded Stranding is an important aspect of cable construction to consider. Resistance in wires depends on specific resistivity, length, and cross-section of the wire. 4 447. 302 164. 05 316. AWG InchesStranding Approx. 243 0. 203 . Conforms to National Bureau of Standards Handbook Breaking strength and resistance are calculated in accordance with ASTM B-258. solid wire to learn more about the properties of the two. A bit of electricity is lost in the wire. The AWG (American Wire Gauge) wire size chart with detailed specifications on wire diameter, resistance, and ampacity. Detailed descriptions of each item are provided below the table. Jun 14, 2011 · A stranded wire will have higher resistance than a solid wire of the same diameter because the cross-section of the stranded wire is not all copper; there are unavoidable gaps between the strands (this is the circle packing problem for circles within a circle). The difference between 1 and 7 is 1 strand is solid wire and 7 strands is stranded copper wire. 5 mm2 as per IEC 60228/DIN EN 60228 (VDE 0295) for conductors made of soft-annealed copper and single and multi-core cables. Jun 6, 2024 · Introduction to Stranded and Solid Wire Copper wire is the most commonly used conductor in electrical and electronic applications due to its excellent conductivity, durability, and relatively low cost. When discussing resistance, we need to consider factors such as the total cross-sectional area, material, temperature, and the geometric shape of the conductor. 160 0. A rope stranded conductor is a concentric stranded conductor each of whose component strands is itself stranded. It is typically more rigid and less flexible than stranded wire. Ohms Ω/km: Shows the maximum resistance in that is permissible for untinned copper conductors in the stranding classes indicated. 2032 67. Slight variations may exist between solid and copper wire, but those differences are so minor they do not factor into most project calculations. Resistive Wire When an application calls for excellent conductivity of electrical current, wire made of copper, platinum, gold or silver are used. Understand their unique properties to choose the right type of wire for your cable needs. solid wire current capacity. 1905 43. In addition to wire size, the table provides values for load (current) carrying capacity, resistance, and maximum frequency. 1524 28. THHN-2 applications are suitable for use in either wet or dry For tight spaces and indoor environments, stranded copper is a better choice because of its flexibility and easy manipulation. Telephone wire is typical AWG 22, 24 Apr 1, 2022 · Not all copper wire is created equal. There are plenty of considerations when it comes to choosing one or the other, including standards, environment, application, and cost. Learn about stranded wire, braided wire, and wire strands. 15 508. When you have the option to choose it's important to 4 days ago · AWG table AWG table - American strand construction In the North American economic area, the dimensions of copper conductors for power and telecommunication purposes are mostly given in AWG (American Wire Gauge), whereas in Germany, Europe and many other parts of the world we speak of metric cross sections cross sections in mm². solid copper wire include: Stranded vs. 32 ohm/km for a 12 AWG stranded wire. Recommended Bunched Strands for Maximum Flexibility Recommended Ropelay Cables for Maximum Flexibility Cabling Factor A = cross sectional area of wire (m2) The factor in the resistance which takes into account the nature of the material is the resistivity. Discover the differences, uses in industrial wiring, advantages of stranded cable vs solid wire, and request custom quotes today. Since a stranded conductor is spiraled, each strand is longer than the finished conductor. 76 316. Guide to the Wiring Regulations: 17th Edition IEE Wiring Regulations 2008 John Wiley & Sons Ltd. 0075. Jan 23, 2004 · I need some advice finding equipment for welding tin plated stranded copper wire to a brass or copper contact. Standard IEC/BS EN 60228 gives the maximum resistance in Ω/km that is permissible for bare/plain copper conductors. I System is ON. KM 36 7/44 . Since it is temperature dependent, it can be used to calculate the resistance of a wire of given geometry at different temperatures. 01 158. The maximum resistance values are for the wire as a single conductor. Jan 21, 2024 · The resistance of 8 AWG copper uncoated, stranded conductors over 1,000 feet is approximately 0. 88 660. 11 638. The resistance and skin depth noted are for copper conductors only. 33 400. 96 412. Because of the small gaps between the strands in a stranded wire, a stranded wire with the same current-carrying capacity and electrical resistance as a solid wire, always have a slightly larger overall diameter. The higher the number - the thinner the wire. About 1 AWG difference. The decision between stranded and solid copper wire is based on the project requirements which may include strength, cost, flexibility, load capacity, resistance to corrosion, and the end-user. The chart below is generally accepted as typical resistance in copper wire. 10 253. 70 522. 342 136. Feb 4, 2022 · International Wire Group discusses the features, benefits, and applications of tinned copper vs. Aug 3, 2017 · The table below shows various data including both the resistance of the various wire gauges and the allowable current (ampacity) based on plastic insulation. Stranded wire offers flexibility as compared to solid wire thus the suitable option for electrician stranded wire in applications where wires need to be bent or twisted as it is easier to route through pipes and conduit in walls. 4 2 × An (in2)) Stranded Bare Copper Wire | Bare or Tinned, Soft (Annealed), Medium Hard, or Hard Drawn Stranded Bare Copper. tinned copper. 006 . 50 30 7/38 Description: 22 AWG stranded (7x30) TC conductors, plenum, FEP insulation, twisted pairs, individually shielded w/Beldfoil® (100% coverage), 22 AWG stranded TC drain wire, Flamarrest® jacket. Stranded conductor of greater flexibility (classes B and C) are suitable for uninsulated hook up, jumpers, and grounds in electrical construction. Dec 23, 2022 · This article will provide you with information on the difference between stranded and solid copper wire. The cross-sectional area of a wire determines it's resistance and current-carrying capacity. [3] Copper is the electrical conductor in many categories of electrical wiring. Add to cart Electrical Wire 14 AWG 14 Gauge Silicone Wire Hook Up Wire Cable 20 Feet [10 ft Black and 10 ft Red] Soft and Flexible 400 Strands 0. Wire Gauge Size Ampacity Charts and Tables. The inverse of resistivity is called conductivity and can be expressed as: For the purpose of calculating voltage drop within a cable, the table below gives the reactance and resistance values for Copper and Aluminium cables: Values for Copper Cables Aug 29, 2024 · Solved one of my Resistance problems. Enamelled copper wire is best suited for high-performance applications, and bare copper wire remains the standard for grounding and bonding. (40 foot well about 30' away from house) was attached to grounding bar on Generac ATS, and the grounding rod 4' away from meter boxes. AWG - American Wire Gauge Chart - Wire Size & Amperes Rating Table. Explore how these wire types differ and their uses. 62 198. They all pose very little resistance to the flow of electrical current due to the mobility of electrons in their outer shells (the conductance band). The silver coating ensures oxidation resistance and long-term reliability even in aggressive atmospheric conditions. Stranded cables are more flexible and less prone to breaking than solid cables, which makes them a popular choice for applications that require frequent bending or flexing, such as audio equipment and robotics. Resistance welding of stranded wires to The resistance of 34 AWG copper wire is 0. bare copper wires. Inches mm Circular D. Use our free Resistance calculator. 098 0. Copper Wire Resistance and Voltage Drop AWG stands for "American Wire Gauge" and is a standardized wire gauge system used in the US since 1857 for diameters of round, nonferrous, electrically conducting wire. Additional allowances have to be made when the wires are cabled into a multi conductor cable. 200 0. 230 . 14 201. 470 0. Choose the correct wire for your project with expert tips from SolderStick. OOOl . 21 ohm/km compared to 5. 01 636. Some key differences of stranded vs. [1][2] The invention of the telephone in 1876 created further demand for copper wire as an electrical conductor. 400 0. 02 126. With Jul 30, 2025 · Compare stranded vs solid electrical wire by use, cost, and performance. Taken from BS 6360: 1991. 17 400. Mar 6, 2024 · Both shielded and unshielded twisted-pair copper cable comes in either stranded or solid wire versions. Telephone wire is typical Aug 15, 2024 · Discover everything about bare copper wire, from AWG sizes to stranded conductors. View now. 132,196237. For a wire or cable to perform its intended function reliably, safely and efficiently, the wire or cable must be selected so that its many electrical, physical, chemical and thermal properties match those of the application. 18 34 7/42 . 16 200. 0223 . When it comes to electrical wiring, a lower gauge number means larger wires with lower electrical resistance, and Jul 5, 2017 · “The key to successfully resistance welding stranded copper wire to different kinds of terminals is preventing it from spreading out during welding,” explains David Steinmeier, founder and president of microJoining Solutions (mJS), a consulting company. 2286 76. C. 077 0. 1 mm² (micro range) up to 300 mm². 47 129. AWG Wire Size Table Here is the table that comes with different values, like the resistance of wire gauges and the current value for copper conductors with plastic insulation. 062 0. You may not know what this means, but opt for the lower number. Tin Coating: A soft drawn conductor is either hot dipped or electroplated with tin. 124 0. Soft Drawn copper is unilay construction. 79. Therefore, while solid copper wire offers short-term savings due to its lower production and purchase price, stranded copper wire may provide long-term cost benefits in dynamic environments. Southwire SIMpull ® THHN/THWN-2 copper conductors are primarily used in conduit and cable trays for services, feeders, and branch circuits in commercial or industrial applications as specified in the National Electrical Code® and other applicable codes and standards. In either case the standard gives the maximum resistance in ohms/km that is permissable for non-tinned conductors. 33 399. Stranded Bare Copper Wire | Bare or Tinned, Soft (Annealed), Medium Hard, or Hard Drawn Stranded Bare Copper. The table below assumes DC Dec 31, 2024 · Solid and stranded (classes AA and A) bare copper are suitable for overhead transmission and distribution applications. Stranded copper wire consists of multiple thin strands twisted together, offering flexibility ideal for applications with frequent movement, such as robotics and automotive wiring. Read now. 08 mm of Tinned Copper Wire High Temperature Resistance 200+ bought in past month Add to cart BNTECHGO 14 Gauge Silicone Wire Spool red and Black Each 25ft Flexible 14 AWG Stranded Tinned Copper Wire Dec 31, 2024 · Applications and Features: Solid and stranded (classes AA and A) bare copper are suitable for overhead transmission and distribution applications. 47 318. 061 Tables are provided which give the cross sectional area, number of strands, outside di- ameter and weight of solid wire, class B and C strandings and Class G, H andIflexiblestrandings. COM Electrical Wire, Bonded Wire, Battery Cable, UL Wire, Building Wire, Wire Terminals, Wire Harness, Bulk Wire Striped Wire and Wire Assemblies are all ready to ship by our Wire Distributor to your custom specification. Resistance D. 29 327. Using conductors having coated strands, different stranding type, and, especially, other temperatures changes the resistance. Pendulum Planets Pressure Prime Numbers Questions Radiation Refraction Relativistic Motion Resistance, Resistivity Rotation Series SI (metric) prefixes Skin Effect Specific Heat Springs Stellar magnitude Thermal Thermal Conductivity Thermal Expansion Thermodynamics Trigonometry Units, Conversions Vectors Volume, Area Water Wave Motion Wire, Cu Solid & Stranded Tinned Copper Wire Table - American Wire Gauge (B & S) Table I 42 AWG to 16 AWG AWG SIZE STRAND TYPE Sep 2, 2024 · What is Solid Wire? Solid wire consists of a single, solid copper conductor with no strands. 0 777. 05 32 19/44. Learn their uses, benefits & how to choose the right copper wire for your needs. 059 0. Dec 26, 2024 · However, the use of solid wire can also be justified for some tasks where the situation calls for such rigidity, whereas stranded copper wire is preferred for its flexibility. Mixed connections and special alloys can also be joined together. Knowing when to use which type of wire can potentially save you a ton of time, money, and headaches. Q: Does 12 gauge THHN wire perform well with all electrical jobs and projects in predominantly residential facilities? Introduction The key to successfully resistance welding stranded copper wire to a variety of different terminals is to prevent the stranded copper wire from spreading out during the welding process. Dec 16, 2023 · So if we follow the wire size chart, we will know that for the water heater, there is 9 AWG wire and a 50 A circuit breaker that can be used to connect the circuit. The table below is a guide only and there are many factors such as alloy composition, ambient temperature and airflow which come into play. 3048×1000000000 times the wire's resistivity ρ in ohm-meters (Ω·m) divided by 25. 0343 . Bare Copper Class 2 stranded conductor EN 13602 Eland Product Group: A2B APPLICATION For use in electrical grounding systems and on insulators for overhead transmission and distribution applications. At low frequencies, where the wire radius is less than two skin depths, the resistance is approximately equal to the DC resistance, R LF. 20 247. KG/KM 1000 Ft. Standard Wire & Cable Co. Apr 28, 2025 · Additionally, stranded wire’s durability in applications with vibration or movement can extend its lifespan and reduce replacement costs over time. 036 thk. I would assume that the question is referring to solid uncoated wire for #10 and below unless the question states otherwise. 75-. at room temperature. Stranded Copper Wire Copper wires Copper cable Coaxial cable made from copper Copper has been used in electrical wiring since the invention of the electromagnet and the telegraph in the 1820s. The frequency listed in the table shows the frequency at which the calculated skin depth is equal to the radius of the wire, and is an indication that above this frequency you should start considering the skin effect when calculating the wire's resistance. Appendix 4 – Cable data-resistance, impedance and ‘R + 1 R 2’ values Notes: Values are for stranded conductors but solid conductors are nearly identical. ResistanceWeight Mil Square Lbs/ Weight ohms/ ohms/ Area mm 1000 Ft. Dec 4, 2023 · Solid and stranded wires are key in high-level assembly manufacturing for cable assemblies and wire harnesses. Apr 18, 2023 · This increases the effective resistance. ISBN: 978-0-470-51685-0 To illustrate, #20AWG copper wire has a cross-section of 1,000 circular mils (CM) and resistance/1000 ft of 10 ohms. Below is some basic information about the resistance characteristics of solid wire and stranded wire: Stranded wire has a higher resistance to fatigue than solid wire, allowing it to withstand bending and twisting without breaking. 87 0. Stranded conductors offer greater flexibility than solid (#16 AWG - 4/0 AWG). An unhandled error has occurred and been reported. Silver-plated copper stranded wire combines the electrical conductivity of copper with the corrosion resistance and solderability of silver. 1 solid conductors 2 stranded conductors 5 flexible copper conductors Class 6 extra flexible copper conductors Apr 3, 2025 · Explore the differences between stranded and solid wire. 42 times the cross sectional area An in square inches (in2): Rn (Ω/kft) = 0. Take a look! The electrical properties of Copperweld®/Copper and Copperweld® conductors for determining the electrical performance of transmission and distribution lines are listed in the accompanying tables. Classes 5 & 6 gives the maximum strand diameter, it is acceptable to have fewer strands so long as the conductor resistance does not exceed the maximum shown below. 099 0. 45 511. The "Estimated resistance" tab calculates based on the resistance data estimated from the wire size. Mar 18, 2025 · Explore different types of copper wire, including solid, stranded & tinned. The higher the number – the thinner the wire. When accuracy is im¬ portant, the electrical engineer does not consult the wire table, but makes actual measurements of samples of the copper used. com. Apr 8, 2025 · The durability of tin-coated stranded wire is further enhanced by the flexibility of the individual wire strands, which allows for better strain relief and resistance to fatigue and mechanical stress. 38 mm2 as per DIN VDE 0812 and DIN VDE 0881 for stranded conductors, from 0. Find conversions between AWG sizes and metric units for electrical and engineering applications. Jul 27, 2024 · What is Solid Wire? Solid wire consists of a single, solid copper conductor with no strands. * AWG sizes are approximate and for information only. BARE WIRE DIVISION Bare Wire Division of International Wire Group is a leading manufacturer of bare copper and tin-plated copper wire products used to transmit electrical as well as digital, video and audio signals. We're sorry. APPLICATIONS Used for overhead electrical transmission and distribution lines, grounding electrical systems, electrical test equipment and other infrastructure. Features higher tensile strength with minimal sag compared to solid copper. I SystonCable. 0 538. Resistant to permanent stretch caused by seasonal changes in temperature and less susceptible to cracking from repeated flexing and mechanical vibration. Get precise measurements for electrical installations and wire sizing applications. 009. Each type has its own unique characteristics Copper wire tables are based on certain standard values for the density, conductivity or resistivity, and the temperature coefficient of resistance of copper. Notes: These resistance values are valid only for the parameters as given. AWG Copper Wire Size and Data Table Chart @ 100 Degrees F Aug 11, 2025 · Download Southwire cable specifications for SIMpull XHHW-2® copper conductors used in conduit, cable trays, and branch circuit wiring as per NEC standards. The resistance of the wire is calculated using the equations in the figure on the right. 11 319. Typical household wiring is AWG number 12 or 14. Calculate accurate DC resistance for stranded copper wire using AWG size, length, and temperature. With this knowledge, you can make a better decision when it comes to purchasing your next electrical project. The resistance of each strand is parallel to the resistance of all the other strands, or in other words, the total resistance of the cable is the parallel resistance of all the strands. ex: 10 AWG stranded resistance is closer to that of 11 AWG solid; 18 AWG stranded is closer to that of 19 AWG solid. Wire Sizes and Resistance The resistance of a length of wire is described Aug 27, 2025 · Stranded copper wire should be considered for applications requiring movement, while tinned copper wire is ideal for environments prone to corrosion.