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9 VDC 1000mA regulated switching power adapter - UL listed : ID 63 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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PoE Texas 8 Port PoE Injector - 10/100 Passive Power Over Ethernet with 48V 60W UL Power Supply - 802.3af PoE Injector for VoiP Phones, WiFi Access Points, IP Cameras
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DC 12V 360W 30A Universal Regulated Switching Mode Power Supply for 3D Printer CR-10 CR-10S 3D Smart Printer - AliExpress
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