Electrical

NEMA 14-50 vs 6-50 receptacle faces — the neutral is the difference

Both are 50 A / 240 V on the same circuit — the 14-50 adds a neutral for 120 V (range/RV/EV); the 6-50 is 240 V only (welder/dedicated EV).

Source: NEMA configurations; NEC Article 625 / 210.8
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What this diagram shows

Two 50-amp receptacle faces side by side. The NEMA 14-50 has four contacts — two hots, a neutral (highlighted, supplies 120 V), and a ground — and is rated 125/240 V. The NEMA 6-50 has three contacts — two hots and a ground — and is 240 V only. Both are 50 A on the same wire and breaker; the only difference is the 14-50s neutral.

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Nema 14 50 Vs 6 50

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