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Hello, Is there a code requirement for the gauge of 6 inch round range hood duct? Is 30 Gauge allowed by code? Are there reasons not to use 30 gauge? Thanks in Advance

For overcut (1 inch gaps) in drywall around metal ceiling light boxes (octagon boxes) is spray foam an acceptable way to seal or is it a fire hazard? Other than tape and joint compound or durabond (don't want to get into it this much) are there better products? Thank you in advance

Hello, We have an existing 100 amp panel that is overloaded. It has a 100 amp breaker in it that is feeding another 100 amp panel, and it has two 50 amp double pole breakers for stoves, and 5-15 and 2- 20 amp single pole breakers. The first panel is within 10 ft of the meter and the sub-panel...

Hello, This question is tangent to one I posted recently. Does code allow for wire nut junctions inside an electric panel that is in use with breakers in it? We want to extend some circuits and use an active panel as a junction box. Thanks in advance for any replys

Hello, We are considering installing a new residential panel approximately 8ft from the existing panel. The old panel would become a junction box for multiple circuits to be extended to the new box and all breakers removed. 1. Is it ok to junction the wire for a standard electric...

Stumped by this report: -An electric space heater and TV were plugged into a power strip. -It was reported that when the TV was turned on the TV turned on briefly and then shut off along with the space heater. -There was no attempt to turn them back on and nothing was reset on the power...

Hello, We are planning a drainage project and want to keep roots out. The pipe we are using is not a glued pipe and does not have a gasket seal. It has a bell and is pressure fitted together, which leaves it vulnerable to root penetration. -Are there products we can use to create a water...

As assurance if the sump pump fails, we are considering placing a forced air furnace in a plastic pool or stock tank to protect it from potential water table rise. Is there a code that doesn't allow this? Thank you in advance for any replies

The question is about adapting from 12-2 MC cable to 800 series Legrand plastic wiremold and if we have to use THHN in the wiremold, and if so why? -This will be done in the attic where the wiremold will be run into from the living space below. -Legrand makes an adapter for this, but 3 wirenuts...

This is an informal survey: What is a safer situation (less likely to cause a fire): 1.Old damaged (mouse chewed wiring) with AFCI/GFCI breakers or 2. New Wiring With Standard Breakers

Is it acceptable/sufficient to have a residential electric service with one ground going from the panel to the copper water line, and the other ground going from a ground rod to the electric meter box? If so, can both grounds be grounded at the electric meter box, thus avoiding the need to run...

I'm currently overseeing a residential renovation project where the electrician is replacing old knob and tube wiring, and it led to a question: Which is Safer? AFCI/GFCI Protection on Knob and Tube Wiring or New Wiring Without AFCI/GFCI? Note: I know that AFCI is required for new work. This...

Hello, We have a box fan that has the insulation worn off from it's cord exposing the hot and neutral wires. Three times they have contacted and sparked but have never tripped the new GFCI they are plugged into. -Why wouldn't it trip the GFCI? -Would it trip an AFCI? Thanks in Advance

Hello, We would like to permanently install a dehumidifier in our bathroom that drains into the tub unit with a concealed hose. Does anybody know of a permanently installed ceiling mounted residential dehumidifer or are we limited to placing a floor mount style on a shelf to gain the elevation...

Looking for opinions (and support of them) for push in wire connectors vs. wire nuts. I know wire nuts when used properly can last for decades, but what about push-in connectors such as the Ideal In-Sure ones?

1. If an interior wall cavity is only 2 1/4" what is the best way to run wire and still meet the distance requirement from the interior wall surface? Is there a code compliant way to do it inside the wall cavity?

Hello, Would like to know if the following is code compliant. The proposed method for adding wiring to this old house is: 1. Run MC cable into the attic 2. Drill holes in ceiling along wall, and drop down into the living space with MC cable 3. Strip MC cable where it enters living space. 4...

I have heard of restricitions on certain wire types being used i n"moist areas" 1. Are all crawl spaces considered moist areas? 2. If not all, how is this determined? 3. Are MC Armored Cable and NM restricted in these areas? Thanks in Advance

I've heard differing opinions on this: Can 12/2 NM with outer sheathing still on be run in 500 series metal wiremold? Thanks in Advance

Which is Safer: Old Wiring with New AFCI Breakers or New Wiring Without AFCI Breakers (conventional breakers)?