Your Reference for IEC Connectors and Power Supply Specifications
This section covers the IEC 60320 connector standard, power supply size specifications, and the symbols found on power supply rating plates. Use the guides below to identify connectors, understand power supply markings, and specify the right equipment for your installation.
In This Section
- A Guide to IEC Connectors (IEC 60320) — Every connector pair from C1 to C22, including nicknames (Mickey Mouse, Figure-8, kettle cord), applications, physical dimensions, compatibility rules, and when to use locking connectors.
- Power Supply Size Guide (Wide vs Narrow) — Why some plug-pack power supplies block adjacent outlets, the exact width thresholds, and how to choose the right size for your installation.
- Power Supply Symbols — Every symbol and abbreviation on a power supply rating plate explained: DC and AC waveform symbols, centre positive and negative polarity, equipment class (Class I, II, III), protective earth, fuse link, and how to read a label before connecting a replacement supply.
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