Connector Standard Sheets
The dimensions and tolerances for connectors and appliance inlets are given in standard sheets, which are dimensioned drawings showing the features required for safety and interchangeability.
| Outlet (Female) | Plug (Male) | Drawing | Pin spacing, centres (mm) |
Earth contact | Appliance class | Rewiring allowable |
Max. current (A) |
Max. pin temp. (°C) |
Remarks and example uses |
|---|---|---|---|---|---|---|---|---|---|
| C1 | C2 | 6.6 | No | II | No | 0.2 | 70 | Not polarized. Electric shaver. | |
| C3 | C4 | 10 | No | II | 2.5 | 70 | Polarized, similar plug to C5/C6 but with a key ridge instead of an earthing conductor, withdrawn from standard. | ||
| C5 | C6 | 10 | Yes | I | No | 2.5 | 70 | Apple iMac, many small switched-mode power supplies used for laptops. | |
| C7 | C8 | 8.6 | No | II | No | 2.5 | 70 | Domestic Audio, video, radio equipment and double insulated power supplies. The (more common) Symmetrical version is not polarized. Polarised version with squared (live) side C7P, C8P. C8 inlet is 10 mm deep, C8A and C8B inlets are 15.5 mm deep. | |
| C9 | C10 | 10 | No | II | No | 6 | 70 | Not polarized. This kind of coupler is used by Roland Corporation for a couple of synthesizer and drum computer models (for example: TR-909) and by Revox for many older models of their HiFi equipment (for example, A76, A77, A78, B77, B225). | |
| C11 | C12 | 10 | No | II | 10 | 70 | Polarized, similar to C9 with a slot in the plug, withdrawn from standard. | ||
| C13 | C14 | 14 | Yes | I | Yes | 10/15 | 70 | Very common on personal computers and peripherals. | |
| C15 | C16 | 14 | Yes | I | Yes | 10/15 | 120 | For appliances that get hot (for example, electric Kettle). Also used in some networking equipment, such as HP 5406ZL. | |
| C15A | C16A | 14 | Yes | I | Yes | 10/15 | 155 | For appliances that get very hot; on the inlet, the chamfers are narrower to exclude the lower-rated connectors. | |
| C17 | C18 | 14 | No | II | No | 10/15 | 70 | Xbox 360, some vacuum cleaners, a few models of CPAP machines. | |
| C19 | C20 | 13 | Yes | I | Yes | 16/20 | 70 | Common on Enterprise-class servers and datacenter rack-mounted power distibution units, Late 2005 PowerMac G5, Cisco 6500 Series Power Supplies, Cisco UCS 5108 Chassis, Nexus 7000 Series Core Router Power Supplies. | |
| C21 | C22 | 13 | Yes | I | Yes | 16/20 | 155 | ||
| C23 | C24 | 13 | No | II | No | 16/20 | 70 |
Read more about this topic: IEC 60320
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