Another great resource from Mike Holt Enterprises! The following is a list of the top topics discussed on our Code Forum in the past month. 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!

1: 2 Phases of a 3 Phase System with 162 replies in the Electrical Calculations / Engineering forum
2: Number of outlets with 123 replies in the NEC forum
3: 250MCM for 21.7 amps? Voltage drop calc must be wrong? with 98 replies in the Electrical Calculations / Engineering forum
4: Home Inspector problems......... with 68 replies in the NEC forum
5: pinholes in copper plumbing pipes with 53 replies in the Safety forum
6: Consequences of no Neutral Conductor with 50 replies in the Electrical Calculations / Engineering forum
7: air handler question with 46 replies in the Electrical Calculations / Engineering forum
8: Article 705 with 45 replies in the NEC forum
9: Time for mechanic & helper to swap 65 2x4 troffers? with 44 replies in the Business Management / Estimating forum
10: Inspectors and calling items with 41 replies in the Safety forum
11: what am i missing with generator inlet label? with 41 replies in the NEC forum
12: Pole Lights and Ground Rods with 41 replies in the Grounding versus Bonding forum
13: Balancing Loads on a three Phase System with 39 replies in the NEC forum
14: Conductor sizing for new fire pump service. with 33 replies in the Electrical Calculations / Engineering forum
15: De-rating wire in Wireduct with 33 replies in the NEC forum
16: Interpretation of 310.15(B)(6) with 32 replies in the NEC forum
17: Buss differntial with 32 replies in the Electrical Calculations / Engineering forum
18: amperage inrush with 31 replies in the Electrical Calculations / Engineering forum
19: 10 second rating of resistor in a neutral grounding transfomer? with 31 replies in the Electrical Calculations / Engineering forum
20: GEC & Bonding? with 31 replies in the NEC forum
21: Seal-tite (LFMC) connectors in concentric K/Os with 30 replies in the Grounding versus Bonding forum
22: NYC Fire Alarm Taps with 30 replies in the NEC forum
23: Calculating Total amps across 3 phase using 4 2 phase loads with 29 replies in the Electrical Calculations / Engineering forum
24: Poll for test question with 28 replies in the Education forum
25: Romex use in Industrial building. Allowed/Not allowed? with 28 replies in the NEC forum
26: Motor not rated for 208 volt 3 phase with 27 replies in the NEC forum
27: Handle tie on air conditioner breaker? with 27 replies in the NEC forum
28: Gloves with 26 replies in the Safety forum
29: Parallel circuit feed with different raceways with 26 replies in the Electrical Calculations / Engineering forum
30: Power Factor Correction with 26 replies in the Electrical Calculations / Engineering forum