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About product and suppliers:
        Alibaba.com offers 8,418 copper terminal block products. About 43% of these are terminal blocks, 26% are terminals, and 1% are other electrical equipment. 

A wide variety of copper terminal block options are available to you, such as feed through, screw, and barrier. You can also choose from 5 - 10 awg, 11 - 20 awg, and 1- 5 awg. As well as from 1 - 10, 11 - 20, and 21 - 30. And whether copper terminal block is free samples, or paid samples. 

There are 8,418 copper terminal block suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of copper terminal block respectively. 

Copper terminal block products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 5,105 with ISO9001, 1,045 with ISO14001, and 950 with OHSAS18001 certification.