Some three-phase hair dryers have 6 wiring terminals, and the wiring method is shown in Figure 2. The △ connection method should be connected to a 220V three-phase AC power supply, while the Y-shaped connection method should be connected to a 380V three-phase AC power supply. Generally, 3-inch, 3.5-inch, 4-inch, and 4.5-inch models are connected using this method. Other hair dryers should be connected according to the connection method indicated on their nameplate.

Figure 2 Wiring method for six lead out terminals of three-phase hair dryer
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