• Newsletter Subscriptions
  • Magazine Subscription
  • Home >
  • Basics

    • Bonding & Grounding

    General design and installation requirements associated with the bonding and grounding connections in an electrical system

    Highlights

    Photo 1. When connections are properly installed, the bond is permanent and will not corrode or break over time.

    Qualifying Permanent Ground Connections

    Feb. 7, 2022
    An inside look at the IEEE 837 Standard
    © Phawat Khommai | Dreamstime.com
    camera and camera person

    EC&M Tech Talk Video — Clearing Up Confusion Around Ground Wires

    Dec. 1, 2022
    In Episode 21, Randy clears up some of the confusion regarding grounded conductors, grounding electrode conductors, neutrals, and equipment grounding conductors.
    Randy Ecm Asks 1

    EC&M Asks Video — What Is Considered Proper Bonding for Lightning Protection Systems?

    Oct. 13, 2022
    Welcome to the inaugural episode of “EC&M Asks,” a new short video series featuring SMEs answering reader-submitted questions regarding popular electrical topics in 10 minutes...
    The grounded conductor (white) is terminated in the panelboard on the grounded busbar. The green screw is the main bonding jumper connecting the grounded busbar to the enclosure. A threaded hub (upper right) provides secure bonding to metal enclosures. The smaller bare copper conductor on the left is the equipment grounding conductor providing bonding. The larger bare copper on the right is the grounding electrode conductor that connects the grounded busbar to the grounding electrode system (i.e., the ground rod held in the upper left).

    10 Sure Ways to Tell the Difference Between Bonding & Grounding

    Aug. 11, 2022
    An in-depth look at how to apply all 10 Parts of NEC Art. 250 in the field
    © Brandon Blinkenberg | Dreamstime.com
    Installation of a ground-fault circuit interrupter

    Ground-Fault Protection and Grounding Basics

    May 9, 2022
    Ground-fault protection serves one purpose and grounding another. Do you know how these do or do not protect people from shock?
    © Artitwpd | Dreamstime.com
    Id 179264058 © Artitwpd Dreamstime comworklamp

    New TIA for 2020 NEC and Proposed 2023 NEC Addresses Portable Luminaires

    Sept. 13, 2021
    Proposal seeks to return Sec. 250.114(3)(e) and (4)(e) to their 2017 edition status to eliminate conflict related to grounding requirements
    Sept Wwh

    What's Wrong Here? Hint: PVC Conduit Calamity

    Sept. 7, 2021
    How well do you know the Code?
    Fig. 1. Unlike traditional interlocked MC cable, the sheath of MCAP cable is listed and identified as an EGC.

    The Differences Between Grounding and Bonding ― Part 8 of 12

    Aug. 5, 2021
    How well you implement Chapter 3 requirements directly affects how well you implement Article 250.
    © Chernetskaya | Dreamstime.com
    Cover Image 60afcc77c6313

    EC&M Tech Talk Video — Grounding & Bonding in a Nutshell

    July 28, 2021
    In this video (Episode 4), Randy Barnett, an electrical instructor, trainer, inspector, journeyman electrician, and safety expert, walks viewers how to navigate Article 250 of...