Open Neutral Multi-Wire Circuit

Electrical Troubleshoot ing

Meters and Testers

Battery Testers

Input Impedance

High Wattage Appliances

Circuit Breakers

GFCI & AFCI Breakers

Troubleshoot Outlets

Troubleshoot GFCIs & AFCIs

Troubleshoot Lights

Troubleshoot Switches

Troubleshoot 3-Way Switches

Troubleshoot 4-Way Switches

Identify 3 and 4-Way Switch Wires

Open Neutral

Open Neutral Multi-Wire Circuit

No Power to Outlets

Loose and Sunken Outlets

Troubleshoot Garage Door Opener

Multi-Wire Branch Circuit

Open Neutral

Multi-Wire Branch Circuit with Open Neutral Wiring Diagram

In the diagram above, the A phase circuit breaker is turned off. The wire connector is removed from the neutral wires for inspection in the A phase electrical box. Find Multimeters

In the A phase outlet box:

The neutral wire that comes from the electrical panel carries 0V.
The neutral wire that goes to the A phase outlet carries no voltage (breaker turned off).
The neutral wire that goes to the B phase electrical box is line voltage.