This article was posted 03/10/2006 and is most likely outdated.

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Grounding vs Bonding: 250.80 Service Enclosures

March 10, 2006  

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PART IV. GROUNDING (BONDING) OF ENCLOSURE, RACEWAY, AND SERVICE CABLE  

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250.80 Service Enclosures.

Metal raceways and enclosures containing service conductors must be grounded (bonded) to an effective ground-fault current path [250.4(A)(5)].

Exception: Metal elbows having 18 in. or more of earth cover aren’t required to be grounded (bonded) to an effective ground-fault current path. Figure 250–122



Figure 250–122
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Comments

  • Cantex makes factory bend that are schedule 80. Steel just adds extra friction not to mention that extra threaded adapters are needed.

    Michael R. Cole, mc5w at earthlink dot net

    Michael R. Cole
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