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Decoding NEMA plugs and receptacles. If you’ve ever had trouble figuring out the NEMA (National Electrical Manufacturers Association) pattern and numbering system on a particular device, you aren’t alone.
Other electrical configurations use the ANSI/NEMA WD 6 standard. Such standards apply to the higher voltage, 3 phase applications, and they typically serve specific uses like ship-to-shore connections.
The 5-20R receptacle has a T-shaped neutral hole, to accept both 5-15P and 5-20P plugs. An acceptable alternative version of the 5-20R receptacle has a rectangular slot that will only accept 5-20P plugs. The 5-30 and 5-50 are physically larger, with 1 in (25.4 mm) between power pins; 5-30 also has an L-shaped neutral blade. [17]
22 Ιουλ 2022 · Wiring Devices—Dimensional Specifications. ANSI/NEMA WD 6-2021 | Status: Active | ID: 100208. Follow Building Infrastructure. Covers the plugs, receptacles, and wall plates used in most electrical installations in residential, commercial, and industrial buildings.
North American Non-locking NEMA Configurations. Use this chart to determine which general purpose NEMA plug or receptacle is needed for specific applications. Information obtained from ANSI/NEMA WD-6 standard. Face and pin sizes not necessarily to scale.
13 Σεπ 2023 · These charts show many of the possible NEMA straight-blade configurations, from the common wall socket to more rarely seen plugs and receptacles.
G. W. ANSI/NEMA WD 6-1997. NEMA CONFIGURATIONS FOR LOCKING PLUGS AND RECEPTACLES. 15 AMPERE. 20 AMPERE. 30 AMPERE. 50 AMPERE.
