Install New Wiring in a Main Panel
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New commercial 200amp 1 phase breaker panel. With line power entering from the bottom. © By: Dave Rongey |
Wiring a Main Panel
Electrical Question: New commercial 200amp 1 phase breaker panel, with line power entering from the bottom.
- New commercial 200amp 1 phase breaker panel with line power entering from the bottom. Most wiring is ran out of the top of the new panel.
- Questions:
Can I run power out of the bottom of the panel (MC cable) for the floor lights and emergency exit signs? - Does a group of MC lines bundled together and entering a commercial panel need to have a MC box clamp on the bundle or can I leave them entering through a open box connector (with out a clamp)?
- I put strapping around the bundle at the panel and supported it throughout the building?
This electrical wiring question came from Jake, a Building Contractor in Charleston, West Virginia.
Additional Comments: So far it is easy to read and the information section is easy to use. Great job.
Dave’s Reply:
Thanks for your electrical wiring question Jake.
How to Install New Wiring to a Main Panel
Application: Install New Wiring a Main Panel.
Skill Level: Intermediate to Advanced – Best performed by a Licensed Electrical Contractor, or Certified Electrician.
Electrical Tools Required: Basic Electricians Pouch Hand Tools, Voltage Tester, and appropriate Safety Gear.
Estimated Time: Depends on the personal level experience, ability to work with tools, install electrical circuit wiring, and the available access to the project area.
Electrical Safety: Identify the electrical power source to the Main Panel, turn it OFF and Tag with a Note before working with the electrical wiring.
Electrical Wiring Parts and Materials: Electrical parts and materials for the Main Panel should be approved for the specific project and compliant with local and national electrical codes.
Electrical Codes and Inspections: Installing or changing home electrical wiring should be done according to local and national electrical codes as adopted in Charleston, West Virginia. A permit and inspections may also be required.
Install New Wiring in a Main Panel in a Office
This electrical wiring project is about Install New Wiring a Main Panel in an Office.
Main Panel – Installing New MC Cable and Wiring
- From what has been described the installation of MC Cable must be done according to applicable codes, which would include the appropriate MC Connector.
- The installation of MC cables for any additional circuit may be added to any portion of the panel that has available knock outs.
- Keep in mind that the specific NEC codes may be different in your location, therefore you should consult the local building authority for specific information.
- Asking the local building inspector specific questions in most cases can be very helpful.
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