Code Forum Recap - 2021

Another great resource from Mike Holt Enterprises! The following is a list of the top topics discussed on our Code Forum in the past year. Simply click on any topic that interests you to read, or join in the discussion. If you're not already registered as a Code Forum member, click here to sign up now.

Top 50 Code Forum Topics in 2021

1: Overhead Power Lines Dangerous To Life and Property with 186 replies in the Safety forum
2: Fault currents motor contribution with 157 replies in the General Electrical Forum forum
3: Inspector says my zigzagged vanity wires have to be in a box with 137 replies in the General Electrical Forum forum
4: Should I upsize the wire on a 250ft run? with 132 replies in the General Electrical Forum forum
5: Why do wires rattle in EMT when some motors start? with 132 replies in the General Electrical Forum forum
6: 230V Delta? with 125 replies in the General Electrical Forum forum
7: Grounding Electrode System Question with 123 replies in the General Electrical Forum forum
8: This is how I understand a res service is done. If the MBJ in the main panel is removed, I'd have to isolate grounds and neutrals correct? with 121 replies in the Bonding and Grounding forum
9: Voltage on Washing Machine frame; I am baffled. with 118 replies in the Troubleshooting forum
10: How do you find good employees? with 116 replies in the Business Management / Estimating forum
11: Inspection question. with 116 replies in the General Electrical Forum forum
12: Two meters show different amperage with 113 replies in the Education forum
13: 9 service disconnects? with 110 replies in the NEC forum
14: Re identification of neutral wire with 105 replies in the General Electrical Forum forum
15: Voltage Drop to Determine Wire Size on a 480/277 Line-to-Neutral Lighting Run? with 104 replies in the Electrical Calculations / Engineering forum
16: Solar wye/wye transformer with 103 replies in the Photovoltaic Forum forum
17: Special permission? with 102 replies in the NEC forum
18: Solve This Service Call with 97 replies in the Troubleshooting forum
19: Tesla charging station with 96 replies in the General Electrical Forum forum
20: Reverse fed 480/277-2300 delta secondary with 96 replies in the Electrical Calculations / Engineering forum
21: Full Size EGC with 88 replies in the Bonding and Grounding forum
22: Grounding Conductor with 88 replies in the General Electrical Forum forum
23: Backstabbing Receptacles with 87 replies in the Safety forum
24: Cheaper way to install services to fulfill outside safety switch with 87 replies in the General Electrical Forum forum
25: Feeder cable size with 86 replies in the NEC forum
26: Puerto Rico's power grid in ˜critical condition'; officials fear complete collapse with 86 replies in the General Electrical Forum forum
27: 10/3, 8/3 and 6/3 Without Ground Romex with 81 replies in the General Electrical Forum forum
28: Upcoming mandatory stoppage of all natural gas appliances in houses. with 81 replies in the Troubleshooting forum
29: Question regarding where power goes with 80 replies in the Photovoltaic Forum forum
30: Life Support Branch with 79 replies in the NEC forum
31: History of NEC with 79 replies in the NEC forum
32: Wire type EGC in the NEC with 79 replies in the Bonding and Grounding forum
33: Why use WYE in residential apartment buildings with 76 replies in the General Electrical Forum forum
34: Single Ph. 208 /120 Transformer One-Line diagram--stuck on details with 75 replies in the Electrical Calculations / Engineering forum
35: Assumptions for future proofing for residential electric car with 75 replies in the Electrical Calculations / Engineering forum
36: Switchgear and panelboard section 408 with 75 replies in the NEC forum
37: State Of The NFPA with 74 replies in the General Electrical Forum forum
38: Wire prices - getting sadder by the day with 73 replies in the General Electrical Forum forum
39: Portable Nuclear Substation fits in a truck with 72 replies in the General Electrical Forum forum
40: Type NM in EMT with 71 replies in the General Electrical Forum forum
41: Directional Boring Warning Ribbon with 70 replies in the General Electrical Forum forum
42: Ground rods in sidewalk with 70 replies in the Bonding and Grounding forum
43: NM cable and the outdoors with 70 replies in the General Electrical Forum forum
44: Kitchen counter outlets (receptacles) on a switch? with 70 replies in the General Electrical Forum forum
45: Is this a violation with 70 replies in the General Electrical Forum forum
46: 8' ground rod with 70 replies in the General Electrical Forum forum
47: Island recep; no base cabinets. Just four posts with 69 replies in the NEC forum
48: 225A fused disconnect with 69 replies in the NEC forum
49: Why is Knoxville and East Tennessee exempt from following the NEC? with 68 replies in the General Electrical Forum forum
50: Tear This Guys Theory Apart with 68 replies in the General Electrical Forum forum

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