{"id":9401,"date":"2025-09-17T08:41:32","date_gmt":"2025-09-17T14:41:32","guid":{"rendered":"https:\/\/www.warmzone.com\/blog\/?post_type=glossary&p=9401"},"modified":"2025-09-17T08:41:33","modified_gmt":"2025-09-17T14:41:33","slug":"junction-box-j-box","status":"publish","type":"glossary","link":"https:\/\/www.warmzone.com\/blog\/glossary\/junction-box-j-box\/","title":{"rendered":"Junction Box (J-Box)"},"content":{"rendered":"

A metallic or nonmetallic box designed with knockouts in the sides and back, used to support and protect electrical wire connections or conductor<\/span> splices. One or more connections can be made within one box. There are several sizes and configurations of boxes available for use with different wire sizes and quantities. The NEC<\/span> (National Electrical Code) limits the numbers and sizes of wires that can be routed into each box size.<\/p>\n","protected":false},"excerpt":{"rendered":"

A metallic or nonmetallic box designed with knockouts in the sides and back, used to support and protect electrical wire connections or conductor<\/span> splices. One or more connections can be made within one box. There are several sizes and configurations of boxes available for use with different wire sizes and quantities. The NEC<\/span> (National Electrical…<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"footnotes":""},"class_list":["post-9401","glossary","type-glossary","status-publish","hentry","description-off"],"yoast_head":"\nJunction Box (J-Box) | Warmzone Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.warmzone.com\/blog\/glossary\/junction-box-j-box\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Junction Box (J-Box) | Warmzone Blog\" \/>\n<meta property=\"og:description\" content=\"A metallic or nonmetallic box designed with knockouts in the sides and back, used to support and protect electrical wire connections or conductor splices. One or more connections can be made within one box. 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