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The main bonding jumper and the system bonding jumper perform the same function. And that is to connect the Equipment Grounding Conductor (bare or green wire) to the grounded neutral conductor at either at the transformer location (separately derive system) or the first panel supplied by the transformer. Although they perform the same function, the two terms are used to distinguish themselves from each other. The main bonding jumper is installed at the incoming service equipment. The

NEC Code Change Class – February 8th, 2021

NFPA 70E Class – January 11th, 2021

High Voltage Training – February 24th and 25th 2021

Medium Voltage Training (2400 to 34.5 KV)Date:  January 10th and 11th, 2024Time:  8:30 AM to 4:30 PMRegistration:  Call 610 670 6061 (ext 103) to register 

NEC 2011 Code Change ClassDate:  March 19thTime:  8:30 AM to 4:30 PMRegistration:  Call 610 670 6061 (ext 103) to register

NFPA 70E Electrical Safety in the Workplace ClassDate:  March 26thTime:  8:30 AM to 4:30 PMRegistration:  Call 610 670 6061 (ext 103) to register