Engineering data for copper and aluminum conductor. Technical information handbook electrical engineering portal. Aluminum electrical conductor handbook wire electrical. Resistivity of metal of a currentcarrying conductor a metal being used for the purpose of current carrying. Aluminum electrical conductor handbook third edition 1989. The aluminum alloy 50 is an electrical conductor grade aluminum alloy with high thermal and electrical conductivities. The use of aluminum conductors causes questions and concerns for. Electrical connections for power circuits internet version of this manual created. Fundamentals of electricity the technical term electricity is the property of certain particles to possess a force field which is neither gravitational nor nuclear. The center strand is steel for additional strength to help support the weight of the conductor. Aluminum typically displays excellent electrical and thermal conductivity, but specific alloys have been developed with high degrees of electrical resistivity.
Aluminum electrical conductor handbook national library of. Copper and aluminum resistancetemperature correction factors. Aluminum electrical conductor handbook free ebook download as pdf file. Other factors that can determine the choice of a conductor are the weight, the cost, and the environment where the conductor will be used. Type i, class a cable, special purpose, electrical, low tension. Nonspecular ns overhead aluminum electrical conductors, when. Basic principles of electricity conductor, insulation and jacket materials along with their electrical and mechanical properties cable types, selection criteria and application guidelines for electrical and optical wire and cable. Basic principles of electricity conductor, insulation and jacket materials along with their electrical and mechanical properties cable types, selection criteria and application. Technical information handbook icdst eprint archive of. Basic principles of electricity conductor, insulation and jacket materials along with their electrical and mechanical properties. The aluminum electrical conductor handbook lists a. A the aluminum association a incorporated aluminum.
Table 1 5 acdc resistance ratios for copper and aluminum conductors, 60 hertz 65c 5 table 1 6 conductor resistance and ampacities at high frequencies 6. Aluminum electrical conductor handbook this hardcover handbook covers the electrical uses of aluminum, including bare, covered and insulated wire and cable. If you are interested in downloading the pdf version of this book, please visit. Electrical conductor grade properties and selection. The electrical permit can be inclusive of the construction meter, wiring of the dwelling unit, the temporary building service and any other electrical. Engineering data for copper and aluminum conductor electrical. Everything, from water and air to rocks, plants and animals, is made up of minute particles called atoms. Okonite 1 printed on post consumer paper 12017 okonite cables.
Search for library items search for lists search for contacts search for a library. The electrical conductor handbook presents information regarding various aluminum alloys when fabricated as electrical conductors from standpoints of circuit design, installation, and maintenance. For conductors in raceway, the ambient to which the insulated conductor is subjected is the temperature of the air inside the. However, formatting rules can vary widely between applications and fields of interest or study. Acar has better electrical as well as mechanical properties than. The ampacity of single conductor aluminumsheathed cable is based on the type of insulation. The ampacity of single conductor aluminumsheathed cable is based on the type of insulation used on the copper conductor.
Over 2000 workers are sent to burn centers each year with severe arcflash burns. This standardization handbook was developed by the department of defense in accordance with established procedure. Stevenson, power system analysis, mcgrawhill, 1994. Aluminum electrical conductor handbook by mark walker. Aluminum electrical conductor handbook, 2nd edition mark walker on. Littelfuse electrical safety hazards handbook this electrical safety hazards handbook was developed for general education purposes only and is not intended. Aluminum electrical conductor handbook national library. Aluminiumconductor steelreinforced cable wikipedia. The outer strands are highpurity aluminium, chosen for its good conductivity, low weight and low cost. Many factors determine the type of electrical conductor used to connect components. Pdf aluminium electrical conductor handbook free download pdf.
Aath56 aluminum electrical conductor handbook, 1989 covers the electrical uses of aluminum, including bare, covered and insulated wire and cable. Pdf aluminum electrical conductor handbook sead saric. Weight resistivity accuracy may be adversely affected by possible inaccuracies in the assumed density of the conductor. For example, aluminum tends to thermally contract or expand differently than other materials found in fixtures or connectors. Concentriclaystranded conductors with a single steel core wire or stranded steel core wires surrounded by one or more layers of helically applied aluminum alloy 50 wires.
These alloys are useful, for example, in hightorque electric motors. Electrical characteristics of bare aluminum conductors steelreinforced acsr resistance ac, 60 hz. Compact aluminum and acsr stranded conductor information may be found in the. Materials that dont readily give up electrons, which restricts the flow, are called. Calculating the minimum general lightingoutlet requirements. Engineering handbook for electrical connectors a brief summary of comparative properties of metals suitable for current carrying applications and required features of the connector follows. Aluminum electrical conductor handbook the aluminum association. An electrical permit is required for the construction of a new home or any new electrical work being performed in the homedwelling unit. To understand what this means, we need to start simply. Aluminum is often selected for its electrical conductivity. Some of these factors are the physical size of the conductor, its composition, and its electrical characteristics. For equal ampere ratings, an aluminum conductor must have 1. Two conductors and drain wire under an aluminum polyester foil shield.
Engineering data for copper and aluminum conductor electrical cables 102 hilltop road, ramsey, nj 07446 201. Ambient temperature is understood to mean the temperature of the air surrounding the conductor. The ampacity of a conductor, that is, the amount of current it can carry, is related to its electrical resistance. Electrical characteristics of bare aluminum conductors steelreinforced acsr resistance ac, 60 hz spacing, 60 hz code word aluminum area, stranding layers of outside diameter, alst aluminum in.
Aluminum electrical conductor handbook this hardcover handbook covers the electrical uses of aluminum, including bare, covered and insulated wire and. Chapter 2 nec calculations unit 8 voltagedrop calculations. This datasheet provides information on key alloy metallurgy and processing effects on physical and mechanical properties of this 1xxx series alloy. Currently copper has increased in cost considerably and its. The larger size, in spite of its higher resistance, keeps the conductor cooler. Estimates show that 10 arcflash incidents occur every day in the us. Aluminum electrical conductor handbook the aluminum.
A concentric stranded conductor consists of a central wire or core surrounded by one or more layers of helically laid wires. Table 2 3 electrical formulas for determining amperes, horsepower, kilowatts and kilovoltamperes 11. Aluminum electrical conductor handbook aluminum association home. These are maximum allowable conductor temperatures for single conductors run in free air and may be used in determining the ampacity of other conductor types in table 19, which are so run. Arcflash and other electrical safety hazards 27 electrical safety hazards 27. At this gauge, aluminum has 75 percent the tensile strength and 55 percent of the weight of copper. It is made up of strands of ec grade or electrical conductor grade aluminium. All of these connections to the grounding conductor shall be accessible for inspection by cooperative personnel. Description download aluminium electrical conductor handbook free in pdf format. The resistance, in turn, is determined by the material the conductor is made from as described above and the conductors size. Pdf analysis of all aluminum conductor aac and all aluminum. The aluminum electrical conductor handbook lists a dc resistance of 0. Additional electrical properties can be found in section 7 of this handbook. The resistance, in turn, is determined by the material the conductor is made from as described above and the conductor s size.
Recommended practices for designing and installing copper. Aa th56 aluminum electrical conductor handbook engineering360. Dec 15, 2010 aluminum electrical conductor handbook by aluminum association. The anixter wire and cable technical handbook is an easily accessible collection of engineering and technical information about electrical and electronic. Engineering data for copper and aluminum conductor electrical cables.
The conductor is the metallic component of cables through which electrical power or electrical signals are transmitted. Aluminum is very good to use for long distance power lines, however, as its light weight makes it possible to create very long, light wires with low resistance. The use of aluminum conductors causes questions and concerns for many electricians, engineers, inspectors, and owners. Recommended practices for designing and installing copper building wire systems cda cwis committee december 3, 20. The major emphasis is on conductors for transmission, distribution, and utilization of electric power.
Weight resistivity accuracy may be adversely affected by possible inaccuracies in the assumed density of the. Pdf the demand of electricity is ever increasing and gives a high. Aluminum electrical wire information the aluminum electrical conductor handbook this comprehensive guidebook provides detailed technical information on using aluminum for electrical applications. Aluminum electrical conductor handbook, 2nd edition. Aluminium conductor steelreinforced cable acsr is a type of highcapacity, highstrength stranded conductor typically used in overhead power lines. Data, by permission, from aluminum association, aluminum electrical conductor handbook, 2nd ed. This document does not cover aluminum, or mixed metal building wire and cable in residential, commercial, institutional, and industrial applications.
Silver, copper, gold, aluminum and magnesium have comparable properties, for current carrying applications and required features of the connector. Aluminum electrical conductor handbook by aluminum association. Astm b193 022008 standard test method for resistivity of. Aluminum electrical conductor handbook, 1989 reaffirmed. Scotthughes 15february2005 massachusetts institute of technology department of physics 8. Astm b193 022008 standard test method for resistivity.
An 1100 aluminum alloy connector of a hightension aluminum conductor steelreinforced acsr transmission cable failed after more than 20 years in service, in a region of consider able industrial pollution. Engineering data for copper and aluminum conductor electrical cables okonite cables. Copper, silver and aluminum are considered good conductors. Electrical code or consult your local inspection authority or canadian standards association at 416 7474000. The steel core was spliced with a galvanized 1020 carbon steel sheath. Fundamentals of aluminum conductors part 1 introduction there are many myths, beliefs, and opinions in the industry on why aluminum conductors should or should not be used in certain applications.
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