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About product and suppliers:
        Alibaba.com offers 3,260 waterproof transformer 12v products. About 38% of these are switching power supply, 7% are transformers, and 1% are lighting transformers. 

A wide variety of waterproof transformer 12v options are available to you, such as lighting, power, and current. You can also choose from single, three. As well as from free samples, paid samples. 

There are 3,264 waterproof transformer 12v suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of waterproof transformer 12v respectively. 

Waterproof transformer 12v products are most popular in North America, Eastern Europe, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 745 with Other, 672 with ISO9001, and 41 with ISO14001 certification.