How Much Do You Know About Power Cord Types?

Understanding Global Power Cord Standards in Data Centers

For network engineers operating in the interconnected, global environment of modern data centers, an understanding of the diversity in power cord types is critical. Each country has its unique power cord types, plugs, and connectors; therefore, this guide explores the international standard IEC 60320 and other region-specific standards.

The Universal Power Cord Standard: IEC 60320

The IEC 60320 is an international standard recognized by most countries worldwide, setting specifications for power cords for appliances up to 250 volts. The designations like "C13", "C15", or "C19" refer to specific connector types defined by IEC 60320. The following table offers details about these common connectors:

North American Standard: NEMA 5-15P (Type B)

In North America and some countries adhering to NEMA standard, the NEMA 5-15P plug is the most widely used. It's a three-wire circuit (hot, neutral, and ground), rated at 15 A at 250 V, but it usually carries 110 V. Some common power cord types with NEMA 5-15P plug include NEMA 5-15P to C13 and NEMA 5-15P to C15.

European Standard: CEE 7/7 (Type E, Type F)

In Europe, the CEE 7/7 is the de facto plug standard, except in Denmark, Ireland, Italy, Malta, Cyprus, Gibraltar, and Switzerland. Some popular power cords using the CEE 7/7 plug include CEE 7/7 to C13, CEE 7/7 to C15, and CEE 7/7 to C19.

Other Standards: JIS C 8303, AS/NZS 3112 etc.

Many countries have their own plug standards, like the Australian standard AS/NZS 3112 (Type I), the Brazilian standard NBR 14136, and the Japanese standard JIS C 8303 (Type A, B). However, they often align with the IEC 60320 connector standard.

Understanding these standards can significantly enhance the network engineers' first-hand experience in foreign data centers, ensuring seamless operations and reducing risks associated with the wrong cord usage.

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