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: Running power 4000 feet with 179 replies in the NEC forum
2: raised cover on 1900 box with 142 replies in the NEC forum
3: Testing old wiring before arc fault protection with 121 replies in the Electrical Calculations / Engineering forum
4: Why is the neutral called the grounded conductor? with 70 replies in the Grounding versus Bonding forum
5: Tap rule question with 68 replies in the NEC forum
6: Bonding the UFER with 64 replies in the Grounding versus Bonding forum
7: Agitator motors with 64 replies in the Electrical Calculations / Engineering forum
8: Series Voltage Drop All Inclusive with 64 replies in the Electrical Calculations / Engineering forum
9: xfmr stiff enough... Elevator soft starts - lights dim with 57 replies in the Electrical Calculations / Engineering forum
10: Breaker size to reverse feed a 30 kva transformer? with 53 replies in the Electrical Calculations / Engineering forum
11: 2017 NEC webinar today with 51 replies in the NEC forum
12: Piping in Can Lights with 47 replies in the NEC forum
13: Not enough space on neutral bus with 45 replies in the Grounding versus Bonding forum
14: Single phase from three phase transformer with 45 replies in the Electrical Calculations / Engineering forum
15: 3 way switch leg colors with 38 replies in the NEC forum
16: Light switch behind door with 38 replies in the NEC forum
17: Receptacle height with 37 replies in the NEC forum
18: Service disconnect bonding for detached structure question with 35 replies in the Grounding versus Bonding forum
19: Load calcs for a 100A panelboard with 60A main with 34 replies in the NEC forum
20: Motor Minimum OCPD For Commercial Applications with 34 replies in the NEC forum
21: 220.44 Handbook Commentary with 33 replies in the Electrical Calculations / Engineering forum
22: GEC/EGC 250.121 Exception 2014 NEC with 31 replies in the Grounding versus Bonding forum
23: 3-phase power to Dwelling Units with 31 replies in the Electrical Calculations / Engineering forum
24: Why De-Rated with 30 replies in the Electrical Calculations / Engineering forum
25: 1/0 or 1 SER al. with 30 replies in the NEC forum
26: Kitchen Coutertop Branch Circuit NEC Requirements for 230 Volts with 29 replies in the NEC forum
27: Working area around large electrical equipment. with 29 replies in the NEC forum
28: pvc under a slab with 28 replies in the NEC forum
29: Switch / Receptacle Box Typical Size with 28 replies in the NEC forum
30: AC voltage IN THE BEGINNING with 27 replies in the Electrical Calculations / Engineering forum