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C20 to C21

Shop CableLeader for heavy duty C20 to C21 power cords. 12 AWG, 20A/250V rated, UL listed. Ideal for connecting servers and devices to PDUs in data centers. Lengths from 3ft to 15ft.

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3ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black
SKU: PW151-1203

3ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black

1
$6.13
2
$5.94
20
$5.75
40
$5.55
$6.13
4ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black
SKU: PW151-1204

4ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black

1
$7.39
2
$7.16
20
$6.93
40
$6.70
$7.39
6ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black
SKU: PW151-1206

6ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black

1
$8.88
2
$8.60
20
$8.33
40
$8.05
$8.88
8ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black
SKU: PW151-1208

8ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black

1
$10.59
2
$10.26
20
$9.93
40
$9.60
$10.59

Out of stock

10ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black
SKU: PW151-1210

10ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black

1
$12.50
2
$12.06
20
$11.61
40
$11.16
$12.50
15ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black
SKU: PW151-1215

15ft IEC320 C20 to C21 Heavy Duty Power Extension Cord, 12 AWG, 20A/250V, SJT, Black

1
$16.31
2
$15.73
20
$15.15
40
$14.56
$16.31

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More About C20 to C21

CableLeader is your trusted source for high-quality C20 to C21 power cords. Our extensive range of heavy-duty 12 AWG cords is designed to connect devices with C21 receptacles to PDUs or UPS systems equipped with C20 connectors. With lengths ranging from 3 feet to 15 feet, our cords offer the flexibility to extend existing power connections in data centers and server rooms.

Key features of our C20 to C21 power cords:

  • Connectors: IEC-60320-C20 to IEC-60320-C21, ensuring secure and compatible connections between devices and power sources.
  • Applications: Ideal for connecting computers, servers, and other devices to PDUs or UPS systems in data centers.
  • Quality & Safety: Fully molded construction for durability, UL and cUL listed, and compliant with RoHS and REACH directives.

Invest in reliable power connectivity with CableLeader's C20 to C21 power cords, available in various lengths to suit your specific needs. Trust our expertise in delivering top-notch cabling solutions for your critical infrastructure.

Here is the SEO-optimized, comprehensive article on

C20 to C21 Power Cords: Heavy-Duty Connectivity for Data Centers

Introduction to C20 to C21 Power Cords

In the world of data centers and server rooms, reliable power connectivity is paramount. CableLeader's C20 to C21 power cords offer a robust solution for connecting devices with C21 receptacles to PDUs or UPS systems equipped with C20 connectors. These heavy-duty 12 AWG cords are designed to handle the demanding power requirements of mission-critical infrastructure, ensuring reliable and efficient power delivery.

Connectors: C20 and C21 Explained

The IEC-60320-C20 connector is a two-pin male plug commonly found on power distribution units (PDUs) and uninterruptible power supplies (UPS). It is designed to mate with the IEC-60320-C21 female receptacle, which is typically present on servers, computers, and other high-power devices in data centers.

These connectors are specifically engineered for high-temperature environments, with the C21 receptacle capable of withstanding temperatures up to 155°C (311°F), making it ideal for demanding applications that generate significant heat. The C20 plug, on the other hand, is rated for temperatures up to 70°C (158°F).

Compatibility and Versatility

CableLeader's C20 to C21 power cords are available in various lengths, ranging from 3 feet to 15 feet, offering flexibility to extend existing power connections or accommodate various rack configurations. These cords are compatible with a wide range of devices, including servers, network switches, storage arrays, and other high-power equipment commonly found in data centers.

Specifications and Quality Assurance

Conductor and Amperage Rating

CableLeader's C20 to C21 power cords feature a robust UL SJT 12 AWG x 3C conductor, ensuring optimal power delivery and durability. With an impressive 20A/250V amperage and voltage rating, these cords can handle the demanding power requirements of high-density computing environments.

Durability and Safety

  • Fully Molded Construction: The cords are fully molded for enhanced durability, protecting against wear and tear in demanding data center environments.
  • UL and cUL Listed: These power cords meet stringent safety standards, ensuring compliance with industry regulations.
  • RoHS and REACH Compliant: All materials used in the manufacturing process adhere to RoHS and REACH directives, ensuring environmentally responsible and safe products.

Applications and Connected Devices

C20 to C21 power cords are essential components in data centers, server rooms, and other high-density computing environments. They are commonly used to connect a wide range of devices, including:

  • Servers: High-performance servers, blade servers, and rack-mounted servers often require the robust power delivery capabilities of C20 to C21 cords.
  • Network Equipment: Core routers, switches, and other mission-critical network infrastructure rely on these heavy-duty power cords for reliable operation.
  • Storage Arrays: High-capacity storage systems, such as network-attached storage (NAS) and storage area networks (SAN), benefit from the power delivery capabilities of C20 to C21 cords.
  • Uninterruptible Power Supplies (UPS): These cords are commonly used to connect UPS systems to power distribution units (PDUs), ensuring uninterrupted power delivery to critical equipment.

Invest in Reliable Power Connectivity

In mission-critical environments like data centers, reliable power connectivity is non-negotiable. CableLeader's C20 to C21 power cords offer a robust and dependable solution for connecting high-power devices to PDUs and UPS systems. With their heavy-duty construction, high amperage rating, and compliance with industry standards, these cords ensure efficient and uninterrupted power delivery, safeguarding the operation of your critical infrastructure.

Invest in CableLeader's C20 to C21 power cords and experience the peace of mind that comes with reliable, high-quality cabling solutions tailored for the demanding requirements of data centers and server rooms.

C20 to C21 Power Cords FAQ

What is the difference between C20 and C21?

The C20 and C21 connectors are part of the IEC 60320 standard for power cords. The main difference is that the C21 is a high-temperature version of the C20 connector, with a maximum pin temperature rating of 155°C instead of the standard 65°C. The C21 is typically used in high-powered devices like blade servers, network routers, and other IT equipment that draw more power than a standard C13 connector can accommodate.

What does the C in C20 stand for?

In the IEC 60320 standard, the C stands for "conventional," indicating that the C20 connector is designed for use with 2WD (two-wheel drive) devices. The number 20 refers to the connector's amperage rating, which is 20A for the C20.

Are C10 and C20 parts interchangeable?

While the C10 and C20 connectors are similar, many of their parts are interchangeable due to their design similarities. Components like fuel filters, air cleaner elements, and even some body and interior parts can often be swapped between C10 and C20 vehicles.

What is the difference between C19 and C21?

The C21 is a high-temperature version of the C19 connector, with a maximum pin temperature rating of 155°C instead of the standard 65°C for a C19. The C21 is typically used in high-powered devices like blade servers, large network routers, and other IT equipment that draw more power than a standard C13 can accommodate.

Are C19 and C20 the same?

No, C19 and C20 are not the same. The C19 connector is used on mains cables, while the C20 connector is used on devices, power supplies, and extension cables. They are part of the same IEC 60320 standard but serve different purposes.

What does a C20 plug into?

A C20 plug is commonly used to connect devices with C21 receptacles to PDUs (Power Distribution Units) or UPS (Uninterruptible Power Supply) systems equipped with C20 connectors. It is widely used in data centers, server rooms, and other IT infrastructure setups.

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