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Sizing Junction Boxes - Electrical Construction & Maintenance (EC&M) Magazine | Home
瀏覽：1275
日期：2025-12-11
The sizing requirements for pull boxes, junction boxes, handhole enclosures, and conduit bodies exist to prevent conductor insulation damage. Those requirements are in 314.28, and they apply to all conductors 4 AWG and larger (Fig. 1). To illustrate how t...看更多
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