The power supply industry has been using Class 2 and Class II terminology to refer to two very different types of power supplies for decades.
12V Output Class 2 Power Supply Converter IP44 Transformer LED
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The Difference Between Input and Output Adapter Plugs - ASME
TOP POWER-The newest Energy Efficiency level VI requirement in USA
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The Difference Between Input and Output Adapter Plugs - ASME
【Input&Output】: 100-240V AC input 50/60HZ, DC 12V 1Amp output, 12 Watt max wattage. 【Kindly Note】: The power adapter cannot be used as a charger.
12V 1A ac/dc Class 2 Power Supply Adapter for mag, Dreamlink, Formuler, Buzz tv, Tvip Setup Boxes, CCTV Cameras, DVR, Internet Modem and routers, LED
277 V Ac-Dc Power Supplies
🎄【Class 2 power Supply Specification】: 100-240V AC input; 12V DC 0.75A output, 9 Watt max wattage. The LED controller suitable for Most Chrismas Trees
12VDC 9W 0.75A Class 2 Power Supply, LED Low Voltage Transformer Waterproof Ip44, UL LED Driver, US Plug Inflatable Power Adapter for Christmas Tree
TOP POWER-The newest Energy Efficiency level VI requirement in USA
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Class 2 (Functional Earth) – also referred to as Class 2FE