Note: This article is based on the 2005 NEC. The sizing requirements for pull boxes, junction boxes, handhole enclosures, and conduit bodies exist to prevent conductor insulation damage. Those ...
Conductor damage during installation is one consequence of under sizing junction and pull boxes. This damage is often not apparent until post-installation cable testing. Then, after the boxes are ...
The harsh industrial environments and hazardous areas, such as those in the oil and gas industry, place extreme demands on the safety, the robustness and quality of electrical products and devices.
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