Bonding and Grounding Explained - Article 250 NEC 2020

Article 250 is the reason a machine can cook itself while the breaker sits there and never trips — and it's the part of the Code most electricians memorize instead of understand. In this video, Victor Ring breaks down NEC Article 250 bonding & grounding the Code Made Simple way — so you understand it, not just memorize it. Whether you're prepping for your exam or you've ever chased a hot cabinet that made no sense, you'll finally get what the equipment ground actually does — and why a loose or undersized one lets the breaker do nothing while the machine burns. ━━━━━━━━━━━━━━━ READY TO PASS YOUR EXAM OR GET YOUR CE HOURS? We've trained 20,000+ electricians since 1985 — 93% first-time pass rate. Pick the format that fits how you learn: ⚡ In-person 2-day Exam Prep Workshops (Raleigh, Charlotte/Mooresville, Asheville, Greensboro) → jcrproductions.com/collections/nec-exam-prep 💻 Live Online Exam Prep (Zoom) → jcrproductions.com/collections/virtual-courses 📘 Self-Paced Video + Manual Self-Study & Mock Exams → jcrproductions.com/collections/nec-exam-prep 🎓 Continuing Education — in-person, live virtual & online self-paced (CE in 20+ states) → jcrproductions.com/collections/continuing-education ✅ Free Digital Practice Exam → quiz.jcrproductions.com 🏷️ Permanent NFPA 70 & 72 Code-Book Tabs → jcrproductions.com/products/permanent-labels-nfpa70-nfpa72 👷 Private On-Site Training for Teams, Unions & Companies → jcrproductions.com/pages/contact ━━━━━━━━━━━━━━━ ⏱️ CHAPTERS 0:00 The science of safety (intro) 0:43 250.4(A)(5): the effective ground-fault current path 2:27 Your equipment ground runs the breaker — "go check your ground" 3:57 Why cabinets get hot: Kirchhoff's loop & the field of impedance 9:44 Faraday's 4,000-volt demonstration 11:09 Design vs. general equipment (the 250.122 exception) 12:18 Tube mill case study: undersized ground, burned-up PLCs 14:43 Rule of thumb: equipment overheating? Check the ground first ━━━━━━━━━━━━━━━ ABOUT JCR PRODUCTIONS North Carolina's #1 electrical education since 1985. We help electricians pass their licensing exams and stay current with CE — taught by Victor Ring with our proven "Code Made Simple" method. Understand the Code. Pass the first time. Come back for the CE electricians actually look forward to. 📍 1451 Mt Ulla Hwy #101, Mooresville, NC 28125 · ☎️ 704.696.8555 · ✉️ [email protected] 📸 Instagram: @jcrcode · 👍 Facebook: /codemadesimple #Electrician #NECExam #ElectricalExamPrep #CodeMadeSimple #ElectricalLicense #Electrical #Article250 #Grounding #Bonding #ContinuingEducation #Sparky #Trades