Drop calculator is designed for applications using awg and kcmil sizes only. When sizing conductors, calculations limits wire size to voltage drop and nec ampacity. Submit an rfq online for quality discounts on type ggc portable power cable. Usamp prime insulated cable ampacity software models all types of underground power cables pipetype, extruded, and solid paper. Southwire thhnmtwawm wire is 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. Ggc 350 3c type ggc portable cord is msha, csa, and ul approved. Since the ampacity of the paralleled 350 kcmil conductors is more than the 1,200a overcurrent device at the feeder, this installation also is permitted see figure 4. Cyme power engineering software and solutions calculate ampacity and temperature rise of power cable installations the cymcap software is dedicated to performing ampacity and temperature rise calculations for power cable installations. It is important to use raceways safely, so that the wires housed together do not overheat. Aluminum medium voltage cable mv105, mv90, 15kv 25kv 35kv. Products related to 350thhncstr2500mcr 350 mcm thhn stranded copper, black, 2500.
Practical power cable ampacity analysis cedengineering. Overhead transmission products a world leader in overhead electric power transmission products, southwire is constantly pioneering ways to bring efficient and sustainable solutions to customers. Shop direct burial cable, xlp use, 350 mcm, aluminum conductor, black, ft. Rated 0 through 2000 volts, with an overall covering multiconductor, on raceway in free air based on ambient air temperature of 30c 86f. Tinned copper consult factory for alternative conductor and stranding options. You must use the correct size wire for the amperage requirement of the circuit to prevent the wire from over heating. For more than 70 years, radix has been the leader in high temperature wire and cable. If the heat exceeds the cables rating, the cable could fail, even possibly catching fire. Etap cable systems help engineers design cable systems to operate to their maximum potential while providing secure and reliable operation.
General cables ampacity calculator is a quick and easy tool to get conductor ampacities for different temperature ratings. Used for power applications in chemical plants, refineries, steel mills, industrial plants, utility substations and generating stations. Premier manufacturers of high quality insulated electrical wire and cable since 1878. Cable ampacity software cable sizing software cable derating. Applications solid and stranded classes aa and a bare copper are suitable for overhead transmission and distribution applications. Engineering data for copper and aluminum conductor electrical cables. Strands 37 insulation thickness mils 60 nylon thickness mils 8 o. Welding cable ampacities single conductor required cable sizes.
The number and type of electrical devices connected to a circuit determine the ampacity requirement of the conductor. The results show the nehermcgrath calculations and cymcap software outputs. Allowable ampacities for 79 conductors in raceway, cable or earth. Power used cyme internationals cable ampacity program cap to model. Determining the maximum current power cables can sustain without deterioration of any of their electrical. So if i parallel 2 500 mcm cables i should have the same area as one mcm cable. What is the amperage rating of 350 mcm copper wire answers. What is the ampacity of a 75 degree c rated 350 kcmil copper. Usually, a general purpose house circuit is designed for 20. What is wire ampacity and how do you find ampacity rating.
The cymcap software is dedicated to the calculation of ampacity and temperature rise calculations for power cable installations. National electrical code allowable ampacities of insulated. Electrical wire 350 mcm is a stranded copper cable, also known as thhn wire 350, that you can buy online. An electrical distributor supplying everything from light bulbs and dimmers to plcs and industrial automation equipment. Chapter 9 table 8 verifies this fact 500 mcm has an area of. It can be used outdoors and in conduit, but isnt suited for direct burial. Allowable ampacities insulated conductors in a raceway. Allowable ampacities of single conductor in free air allowable ampacities for not more than three conductors in raceway, cable or earth. Engineering data for copper and aluminum conductor electrical. Models duct banks, pipe cables, extruded cables, directly buried cables, casings, or mixtures thereof.
As a cable ampacity analysis application, etap engineering software determines the cable current capability based on ieee, iec, icea, nec nfpa, bs, and nfc standards. Specializing in power, control, instrumentation, transmission, distribution, signal, communication and special purpose wire and cables. Other organizations that supply ampacity tables include ieee institute of electrical and electronics engineers, which offers more than 3,000 ampacity tables for extruded dielectric power cables rated through 8 kv and laminar dielectric power cables rated through 500 kv. Type thhnthwn2 building wire is intended for general purpose applications as defined by the national electrical code nec. Stranded conductor of greater flexibility classes b and c are suitable for uninsulated hook up, jumpers, and grounds in electrical construction.
Article 350 liquidtight flexible metal conduit lfmc. The ampacity of a cable should equal or exceed the maximum current the cable will be expected to carry during its service life, without exceeding its temperature rating. This manual provides installation information for power and control. Cyme power engineering software and solutions power cable. You must use the correct size wire for the current load requirement of the circuit to prevent the wire from overheating. Ampacities for portable power cables, amperes per power conductor types w, ggc. General cable conductor ampacity calculator for ios free. A raceway is a channel that can mount on a surface such as a desk, for cables to run through, keeping wire clutter to a minimum.
Ampacity charts amperage is a measure of the electrical current flowing through a circuit. It has a thhn thwn thwn2 approved insulation with a nylon jacket that can resist some environmental conditions. Allowable ampacities for 46 conductors in raceway, cable or earth. Computes steadystate and transient ampacities and temperatures for multiple cables with equal or unequal loading. Groundbreaking products like max storm overhead conductors, c7 overhead conductors and vr2 vibration resistant cable are continuously redefining the industry. Temporary reduced pricing cut to length sold by the foot. Copper conductors primarily used when more ampacity is needed andor. Ihi connectors aka international hydraulics inc 7700 st. Thhn building wire, 350 mcm stranded copper conductor. Determines wire size to meet specific voltage drop limits or calculates voltage drop for a specific conductor run. Orders received during nonbusiness days are processed on the next business day. Mcneil 350 mcm na peacock 605 mcm 4 sandcrab 10 awg 15 tulsa 4 awg 11 meadowsweet 600 mcm na pear 4 awg na sanddollar 30 awg 16 turkey 6 awg na melita 30 awg 16 pecan 20 awg scallop 4 awg 16 valerian 250 mcm 1.
Hundreds of electrical products and tools to select from. Home products our products lie in the walls of your home, in the transmission lines that power our neighborhoods, in the places we work, schools where we learn and the hospitals that keep us well. When you order products from, the order is processed within one to two business days. Helps determine the proper wire size for an electrical circuit based on the. Okonite 1 printed on post consumer paper 12017 okonite cables.
Engineering data for copper and aluminum conductor electrical cables 102 hilltop road, ramsey, nj 07446 201. Low voltage utility cable s applications secondary ud power cable, with aluminum conductors. Direct burial cable, xlp use, 350 mcm, aluminum conductor. As a cable ampacity analysis application, etap engineering software determines the cable current capability based on ieee, iec, icea, nec nfpa, bs, and. Wire size comparison table awgkcmil vs inch2 vs mm2 wire size awg wire size kcmil wire size mm2 wire size inch2 14 4. Again, ampacity ratings are based upon ambient temperatures. For welding cable application suggested ampacities for 600 volt inline applications awg amperes awg amperes 40 405 1 220 30 350 2 190 20 300 4 140 10 260 6 105 appendix j ampacities for portable cable in accordance with nec table 400. Suggested ampacities all types of insulations copper aluminum not more than 3 conductors in raceway or cable single conductor in free air not more than 3 conductors in raceway or cable single conductor in free air awg or mcm conductor temperature rating conductor temperature ratings 8590c temp 185f 110c temp 230f 8590c temp 185f 110c. The accuracy of the calculation provides increased confidence in the design, upgrading, and analysis projects. The calculation determines the proper cable sizes to carry specified loads in designing new systems and upgrading power cable installations. For ambient temperatures other than 78f 86f, or more than three currentcarrying conductors in a raceway, cable or earth, use the advanced wire ampacity calculator.
Teck cable, 1kv, 3 conductor, 350 mcm, stranded bare copper, xlpe, pvc, aia, csa, ft4. To avoid this damaging occurrence, heat must be dissipated outside the cable. The software examines cable temperature and ampacity in performing analysis of existing systems. This chart will enable you to calculate how many wires, and of what ampacity, can be paired together in a raceway for safe use. For a parallel service two 350 mcm cables are used and for a triple parallel run three 20 conductors are used. The advanced wire ampacity calculator will calculate the maximum ampacity for a wire based on wire gauge, preferred or available wire insulation, conductor type and installation specifications. For help with 350 mcm thhn stranded copper, black, 2500 click add to cart to buy 350thhncstr2500mcr 350 mcm thhn stranded copper, black, 2500. The accuracy of the software provides increased confidence when upgrading power cable installations and designing new ones. Radix specializes in the design and manufacture of products to meet the most challenging and severe environments. Ampacity of copper aluminum wire allen ampacity of copper aluminum wire.
Engineering data for copper and aluminum conductor. Usamp prime software models all types of underground power cables pipetype, extruded, and solid paper. Conductor size, 14, 12, 10, 8, 6, 4, 3, 2, 1, 10, 20, 30, 40, 250, 300, 350. Cable reducing adapters fit existing connectors ptr series adapters provide a fast, simple solution for terminating copper conductors where oversized cable is used to reduce voltage drop e. Awg wire chart, aught, mcm kcmil, us inch, and metric wire. If grouped or bundled or enclosed, the amps running through a cable must be decreased to ensure heat dissipation. Temperature ratings depend on the heat resistance of the materials used for the insulation and jacket of the cable. Southwires voltage drop calculator is designed for applications using awg and kcmil sizes only. Ampacity chart table b3101 ampacities of two or three insulated conductors.
What is the ampacity of a 75 degree c rated 350 kcmil copper cable wire. Minimum wire bending space at terminals minimum wire bending space at terminals and minimum width of wiring gutters nec table 312. This table indicates the allowable ampacities of insulated conductors in a raceway. Wire, cables, cords building wire thhn stranded thhn 350 mcm. C ampacity of copper aluminum wire electrical allowable ampacities of. Engineering data minimum wire bending space 182 data subject to change without notice. Through its three divisions and four strategically located distribution centers, cme serves its customers in residential, commercial, institutional, utilities, industrial and oem markets. A guide to allowable ampacities insulated conductors. Table 6 12 triplexed cable underground ducts six circuits, three single or. Shop thhn building wire, 350 mcm stranded copper conductor, black, cut reel by graybar vendor thhn350mcmblkcut reel at graybar, your trusted resource for building wire and other graybar vendor products. Nec 31016 allowable ampacities of insulated conductors b. Shop thhn building wire, 350 mcm stranded copper conductor, black, cut reel by graybar vendor thhn350mcmblkcut reel at graybar, your trusted.
Multiconductors 2, 3 and 4c conductor size awgkcmil copper 75 c 90 c 6 65 75 4 85 95 2 115 1 145 10 150 170 20 175 195 30 200 225 40 230 260 250 255 290 300 285 320 350 310 350 400 335 380 500 380 430 600 420 475 750 475 535 545 615 number of conductors ampacity 18 awg 16 awg 14 awg 12 awg 10 awg. Technical data for cable with solid black neutral is identical to. What is the amperage rating of 350 mcm copper wire. This takes into account correction factors for voltage drop, temperature and the number of currentcarrying conductors. Singleconductor cables 19 section 6 ampacity tables table 6 1 correction factors for various ambient air temperatures 21. Thhn building wire, 350 mcm stranded copper conductor, black. High temperature wire and cable for extreme environments. The primary purpose of the ampacity calculations was to detennine a minimum conductor size and cable system configuration based on the design requirements provided by xcel energy. Part number conductor size insulation thickness conductor diameter insulation diameter insulation shield diameter jacket diameter cable weight ampacity. It is designed for contractors, electricians, and other electrical. Options cable in duct cic abrasion resistant ampacity 90oc conductor temperature, 20oc ambient, rho 50, 100% load factor for three conductor triplex with neutral carrying only unbalanced load. Sizes 250 through 500 kcmil available with thin wall 0. Reel by graybar vendor xlpuseal350mcmblkr at graybar, your trusted resource for building wire and other graybar vendor products. Allowable ampacities insulated conductors in a raceway thank you for seeking out our resources to complete your electrical project.1169 1295 824 1370 243 821 1398 1563 1277 1244 510 382 54 803 1300 1482 1025 972 1154 360 1207 98 346 1141 582 667 1168 1517 362 15 473 939 435 974 786 990 1142 90 312 143