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Function of Cable Joint Box
A junction box is an enclosure that protects cable connections and keeps live conductors out of reach. By: Thor, Senior Electrical Engineer at Weisho Electric Co. Thor specializes in R&D and overseas technical support for high-voltage cable junction boxes and other power distribution equipment. He's deeply familiar with electrical standards and application needs in Europe and North America. NEC Compliance: Follow National Electrical Code junction box sizing tables to determine appropriate box volume and box fill based on conductor count. Though small, this box plays a vital role in protecting circuits from damage, simplifying maintenance, and preventing electrical.