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Electrical Wire and Cable

Installing a Separate Pump Circuit Breaker Panel

Wiring Circuits and Circuit Breakers – A look at common 120 volt and 240 volt house wiring circuits and the circuit breakers that are installed identifying the types and amperage sizes used in most homes and electrical panels.

Electrical Code Issues Concerning Propriety Service Conductors
Electrical Question: I added a 40 amp 230/115 vac meter panel to split the load to the well pump from the rest of a rental house on it’s 100 amp overhead  service. Both panels are now fed with a hot gutter. The conductors to the pump run in conduit from the new service disconnect to an 886RT can mounted below, then under the house and out the back, underground to the pump. Some of the conductors from the existing combination meter panel also run in conduit to the same enclosure, then under the house and on to various household loads. The job has been inspected and connected. Now a question has arisen about the propriety of the conductors from different service disconnects entering the same enclosure. Frankly I was more concerned about the conductors running under the house, but I couldn’t find any directly related issues in the code book.
I’m still researching, but I think some of you might know.
Thanks for checking this out. Mike.

This electrical question came from: Mike, a Contractor from Dos Palos, CA

Dave’s Reply:
Thanks for your electrical wiring question Mike.

Skill Level: Advanced – Licensed Electrical Contractors.
Tools Required: Basic Electricians Pouch Hand Tools, Ammeter and Voltage Tester.
Estimated Time: Depends on the condition of the electrical system and available access to electrical components.
Precaution: Electrical Panel Wiring of this level is best performed by a qualified electrical contractor.
Notice: Installing additional electrical wiring should be done with a permit and inspected.

Electrical project specifics requires code research and local electrical inspections.

Based on your Electrical Question Mike, the following specific topics may be helpful to you:

Electric panel
Wiring Circuits and Circuit Breakers
A look at common 120 volt and 240 volt house wiring circuits and the circuit breakers that are installed identifying the types and amperage sizes used in most homes.

Electrical code
Electrical Code Articles
Electrical Code Directory covering AFCI circuit, electrical-boxes, electrical-circuit, electrical-code-outlets, electrical GFCI, electrical-grounding, electrical-project, electrical-services, electrical-underground, electrical-wiring, electrical-wiring-code, lighting-code, smoke-detectors.

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Wire It Right with the help of my Illustrated Wiring Book

Great for any Home Wiring Project.

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Complete Guide to Home Electrical Wiring

Perfect for Homeowners, Students,
Handyman, Handywomen, and Electricians
Wiring GFCI Outlets
Wiring Home Electric Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring Light Switches
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
NEC Codes for Home Electrical Wiring
....and much more.

Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

Electrical Tip

The Safest Way to Test Electrical Devices and Identify Electric Wiring!

The Non-Contact Electrical Tester
This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester, [amazon.com], I use for the detection of Standard Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.

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