Standard for Customizing Distribution Box Jumpers

This guide covers all four NEC-defined bonding jumper types, the exact sizing rules using NEC Table 250. 102 (C) (1), and the real-world installation requirements that inspectors look for on every service and separately derived system. Built for electricians, apprentices, and electrical engineers. he jumper lengths recommended in Table 1, ollow this routing scheme exactly. See the illustration for optic cable is sensitive to excessive pulling, bending, and crushing f rces. This article takes a closer look at some key points found in this important standard, the intended use and purpose of temporary By-Pass jumpers, and how to select. nVent products shall be installed and used only as indicat...