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About product and suppliers:
        Alibaba.com offers 86 4 hole wall socket products. About 34% of these are electrical plugs & sockets, 17% are wall switches. 

A wide variety of 4 hole wall socket options are available to you, such as commercial, residential / general-purpose, and industrial. You can also choose from standard grounding, isolated ground, and non-grounding. As well as from free samples. 

There are 86 4 hole wall socket suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 4 hole wall socket respectively. 

 hole wall socket products are most popular in Western Europe, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 13 with ISO9001, 2 with BSCI, and 2 with OHSAS18001 certification.