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About product and suppliers:
        Alibaba.com offers 2,943 electrical box extension products. About 15% of these are power cords & extension cords, 7% are electronic & instrument enclosures, and 1% are false eyelashes. 

A wide variety of electrical box extension options are available to you, such as outlet box, junction box, and distribution box. You can also choose from ip54, ip55, and ip66. As well as from free samples, paid samples. 

There are 2,960 electrical box extension suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Pakistan, which supply 99%, 1%, and 1% of electrical box extension respectively. 

Electrical box extension products are most popular in North America, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,330 with Other, 889 with ISO9001, and 141 with ISO14001 certification.