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AC Power Cords

A reliable source for AC Power Cords information and a resource for accessing leading AC Power Cords and suppliers.

An AC power cable is used to conduct electricity in the form of alternating current (AC) or electrical power with a sinusoidal waveform, as the name implies. The common electricity format in most, if not all, electrical outlets is an AC electrical system. Read More…

>AC Power Cords AC power cords are detachable means of supplying alternating currents of electrical energy from a main power source to electrical equipment or appliances.
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Leading Manufacturers

Livermore, CA  |  800-669-8090

Our customers find we have the highest standards when it comes to quality, and delivery. Quail Electronics is a worldwide power cord supplier, offering power cords and various other products.

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Quail Electronics, Inc. $$$

Oskaloosa, IA  |  641-673-5000

All of our power cords are tested and stand up to rigorous demands of everyday application. We serve a global market including the United Kingdom, Ireland, Germany, Switzerland, Austria and of course the United States.

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Interpower Corporation $$$

Lancaster, PA  |  800-818-4916

Our plug adapters are guaranteed to bring you a lifetime of value. Our staff is committed to bringing you only the most reliable products that are available. We will find solutions for your cord needs regardless of how difficult the job may be.

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Kord King $$$

Chino, CA  |  888-871-7224

Voltec Power & Lighting is a manufacturer of appliance cord sets, electronic cord sets, interconnects, power supply cords and custom molded cable assemblies for the OEM markets. We are ISO 2002 registered. No matter what your industry or application, Voltec has the power supply for you.

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Voltec Power & Lighting $$$

Minneapolis, MN  |  800-752-0580

Cord-Sets takes pride in its solid reputation as a top quality power cord supplier. We will assist you in finding the right end configurations and voltage that fits your application for a cord set, electric cord, or hospital grade power cord, electrical plug, NEMA power cord, extension cord. Four decades of experience ensures an excellent product delivered efficiently and priced right.

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Cord-Sets, Inc. $$$
placeholder image Quail Electronics, Inc. Interpower Corporation Kord King Voltec Power & Lighting Cord-Sets, Inc.

What are AC Power Cords?

Wires, rubber or polymer wire insulation, plugs with casings, wire terminals, and prongs are used to make alternating current cords. Different voltages are commonly found in AC power sources. As a result, power cord producers must adhere to strict criteria such as current rating, wire size, length, shape, sheathing material, and voltage rating.

The plug is attached to the power supply or electrical receptacle, while the connector is attached to the electrical equipment. Different countries have different frequencies and voltages. As a result, to ensure compatibility, you must match your AC power cord to the country's standard.

AC Power Cord

Design of AC Power Cords

Alternating currents of electrical energy, or motions or flows in which electric charges occasionally reverse direction, are used in AC power cords. Energy is transmitted from a power supply source to equipment via a connecting cord via this movement.

The connecting cord is a cable assembly made up of a conducting medium, usually copper, surrounded by cord coverings, insulating material, and a protective outer polymer or rubber jacket. AC power cords are made of a flexible cord with one male and one female electrical plug on each end.

The majority of power cables are AC power cords, which come in various forms and voltages depending on the country. NEMA power cords are the industry standard for electrical plugs, cord voltage capabilities, and receptacle design in North America.

Type A, which has two conducting blades or prongs, and Type B, which has a third grounding rod, are the two most often used NEMA plug types. International power cords and cord sets comply with different standards in different parts of the world.

Power Cord

Voltage rating, current rating, wire form and size, length and jacket material, and the type of molded plug and female connector are all requirements followed by AC power cable manufacturers. The appliance or electrical equipment is connected to the female connector.

The male plug is plugged into an electrical receptacle, outlet, or power supply. Because different countries utilize different voltages and frequencies for their AC electricity, AC power cords must be compatible with those standards to function properly.

There are AC plug types A through M, which can be further divided into subcategories based on minor differences.

Considerations When Choosing AC Power Cords

  • When choosing a power source, the first thing to consider is the system's power requirements. Understanding the wattage, voltage, and amperage requirements of the system load is critical for the final system's performance and safety.

    AC Power Cord Showing Rating
  • Critical safety considerations must be made with each component that handles the passage of electrical energy. Grounding, or polarization, is especially necessary for high-voltage appliances and electrical equipment that can cause shock when turned on. When an electric socket is polarized, it ensures that the equipment is attached to the neutral, or grounded, side of the circuit, reducing the risk of electric shock to anyone touching it. Only polarized or grounding-type AC power cords should be used with sensitive electrical equipment and devices.

  • EMI and EMC (Electromagnetic Interference and Electromagnetic Compatibility) regulations apply to many electronic products. These standards ensure that the product will not obstruct the proper operation of other products and that other products will not harm the product's proper operation.

  • When choosing AC power cords, the rated voltage is an important factor to consider. Other features of a cable's design, such as the kind and thickness of its insulation, are influenced by its rated voltage. The thicker thermoplastic insulation used in most high-voltage cables has superseded the earlier oil and paper insulation used before 1960.

  • Low voltage applications are those that use less than 1 kV, medium voltage applications are those that use 1-36 kV, and high voltage applications are those that use more than 36 kV. Low-voltage AC power applications are common, ranging from 100 V to 240 V. Large industrial motors, on the other hand, may require medium voltage cords and wiring.

AC Power Cords Informational Video


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