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AFCI Circuit Breaker and Wiring
Gary, from New York asks:
I had an addition done on my house a while ago, but the builder never filed for the electrical work. To make a long story short I received a violation from the building department that AFCI protection has not been provided for all bedroom outlets and lighting. Surfing the web it sounds like an easy fix by just changing the circuit breakers. I have had 2 electricians tell me they have to put a loop in the outlets. Not sure what that is really. Does that sound accurate?
Gary, the electricians mat be referring to a loop that may have to be installed between two outlet locations in order to place the outlets on one AFCI circuit. AFCI circuit wiring cannot share the neutral as with multi wire circuits and this may be a condition that needs to be corrected as well.
How to Provide GFCI Protection for a Circuit
Perrie, from Trinidad WI, Other asks:
Can I get protection for a 8 amp 220v motor by wiring one supply hot wire to one 120v gfci and the other supply hot to a second 120v gfci. A common grounded neutral is attached to the neutral of both gfci. Then two hot leads each taken from both gfci is connected to the motor. (Utility supplies electricity by two 120v
hot wires and one neutral.)
The method that is describe in your question is not correct. The way to Provide GFCI Protection for a Motor Circuit would be to install a 15 or 20 amp 220 volt GFCI circuit breaker (with provision for a neutral if it is really needed for the motor). The amperage would depend on the wire size and specifications of the motor.
Questions about GFCI and AFCI Circuit Breakers
Bill in South Carolina asks:
Is a GFCI Outlet Needed for More Fault Protection?
I have Square-D brand Qwik Gard GFCI circuit breakers in the panel box that protect the outlets which are standard type in the bathrooms. Is there any additional protection provided by installing a GFCI outlet in these locations.
A GFCI Breaker Provides Adequate Fault Protection
It is not necessary to add a GFCI outlet to a circuit which is connected to a GFCI circuit breaker. Adding a GFCI outlet would be redundant.
Joe in Michigan asks:
Ungrounded Panel and a GFCI Breaker
I have a 2 wire branch circuit 120volt. The circuit is going to a garage panel where there is no grounding conductor. The branch circuit needs a GFCI. Can I put a GFCI breaker in the panel without having a ground, or do I need to drive a rod before using a GFCI breaker?
A GFCI Breaker in a Grounded Panel
The electrical system and the panel needs to be properly grounded. After the approved ground system has been installed a GFCI circuit breaker can be installed.