Transcription of ARTICLE 250 Grounding and Bonding
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ARTICLE 250 Grounding and Bonding
ARTICLEMike holt Enterprises, Inc. ( )47 Grounding and Bonding250 PART I. Scope. ARTICLE 250 contains the following Grounding and Bonding requirements:(1) What systems and equipment are required to be grounded.(3) Location of Grounding connections.(4) Types of electrodes and sizes of Grounding and Bonding conductors.(5) Methods of Grounding and Jumper, Supply-Side. A conductor on the supply side or within a service or separately derived system to ensure the electrical conductivity between metal parts required to be elec-trically connected. Figures 250 1 and 250 2 INTRODUCTION TO ARTICLE 250 Grounding AND BONDINGNo other ARTICLE can match ARTICLE 250 for misapplication, violation, and misinterpretation. Terminology used in this ARTICLE has been a source for much confusion, but that has improved during the last few NEC revisions.
(connected to the earth) to limit the voltage induced by light-ning, line surges, or unintentional contact by higher-voltage lines. Figure 250–6 Figure 250–5: Figure 250–6 Figure 250–7 Figure 250–8: 50: Mike Holt’s Illustrated Guide to Understanding 2011 …
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