Questions tagged [code-compliance]

For questions relating to compliance with laws and ordinances of federal, state/province and local jurisdictions. Questions should also be tagged with the specific area of construction involved.

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73 views

Can television cables be run through a downspout?

Is it against code (Houston, Texas; Harris County) to drop cable wires down a downspout? This is a condo complex, bottom floor unit. The cable company dropped their cable down the downspout of the ...
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24 views

Basement in detached garage required to have two means of egress?

I have been reading the IBC Code and it is very long and complicated. The point I am trying to figure out is whether a basement in a detached garage requires two means of egress. There are whole bunch ...
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22 views

LED drivers and Ontario Electrical Code

I'm doing a new build and I'm interested in using the inexpensive LED lights that use an external driver box. My question is about code - what's the way to mount the driver so it's acceptable to an ...
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1answer
365 views

Bring portable generator in through automatic transfer switch

I currently have a portable generator, an inlet, and an interlock on the main panel to backfeed the panel. I am moving over to an automatic transfer switch with a standby generator. However, as a ...
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67 views

Does removing some drop ceiling panels make plug-in lights OK?

I am uplighting a room with a drop ceiling. Cheap 4' fluorescent shop lights are hung below the drop ceiling, with their cords disappearing into a corner of a drop ceiling panel. Real hack job. ...
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67 views

Can I keep my outbuilding's 10a classificaton

This question is specific to Victoria, Australia. I have an old (1945) 6m by 7m outbuilding (basically, a small barn) on my property, and I would like to run mains electricity and water down to it so ...
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1answer
51 views

How to install a utilitech heater ventilation fan with light?

Just trying to replace an old Broan heater/fan/light with a new Utilitech one and very confused about how the wires are meant to go. I suspect the initial set up was not to code. Very novice on ...
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43 views

Repurposing smoke detector power as fixture power

I removed a wired smoke detector and replaced it with a popular wifi-enabled battery-powered model. I'm left with a box that has: a black wire a white wire a red wire a ground I'm assuming the ...
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21 views

Code question about wye and 90 degree elbow

Can a 90 degree elbow be placed right next to a Wye? The toilet drains into main branch by a wye. It immediately goes into a 90 elbow to drop the main branch down to the sewer.
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35 views

Is an aluminium radiant barrier allowed to cover insulation paper facing instead of drywall?

First some context: Geographical location: City of Sacramento, CA, USA Building: Residential detached garage. Goal: To keep it cool in the summer and warm in the winter. Approach: kraft paper faced ...
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63 views

How can I meet NEC code for Class 2 at the power supply with multiple strips of LED lighting?

...The Project... Install 94 feet of perimeter lighting around a kitchen/dining/living space. The desired product is a color tunable LED strip. Possibly this product but I could use an equivalent ...
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30 views

Canadian (Alberta) Residential Electrical Code

Is there a homeowners version of the current electrical code for residential wiring in Alberta available at no cost? I’m renovating my kitchen and would be helpful to know the many changes and ...
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58 views

Q couple questions on the CA Plumbing, Electrical Code RE: keep-out distances between gas, electric

General: Southern California area Residential Experience with HV and high pressure N2/CDA systems from my work, but not flammable high pressure gasses. Question 1: Is there a minimum distance ...
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101 views

48AMP kiln on 60 AMP breaker *must be* direct wired in Canada?

I am trying to find out what part of the Canadian electrical code requires that the 48AMP kiln, on a 60AMP breaker requires that it must be direct wired, instead of using the NEMA 6-50 receptacle ...
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164 views

Is CSST piping and water piping in an inaccessible crawl space against code?

The CSST line that feeds our upstairs dryer with gas, the water pipes for the washing machine and some electrical wires run through an inaccessible crawlspace in the basement. When I went to turn the ...
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146 views

Can I fish Romex cable through concealed part of basement ceiling in Canada?

I am running two 2-wire and one 3-wire Romex cables from the panel in the basement to another part of the basement. For most of the run I have access to the ceiling joists, but I need to cross a 2.5 ...
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45 views

unique ? about venting tankless water header

I am installing a tankless water heater at the house. My question is unique because I can not find a reference anywhere in the code and the installation manual about where to place my exhaust vent. I ...
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60 views

Are these bends in the tub drain going to be an issue?

Im getting ready to run the drain for my basement bathroom but I'm concerned that I have too many turns in the tub drain. I had to start in the wrong direction in order to pick up a wall for a vent. ...
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53 views

Waterproofing outdoor wire splices and receptacles

It seems that the NEC requires wire splices to be UL486D listed when used in outdoor (generally damp or wet) locations, similar to the requirement for THWN or other wet-rated wiring. Why are special ...
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33 views

Can I open a bulkhead open to two unfinished spaces with a finished space between?

I have crawlspace on two sides of a finished den, with the den sandwiched between them. Can I finish a bulkhead through the den but open to the crawlspace on both sides to simplify utility passage ...
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308 views

When do you use an aluminum vs PVC service entrace cap (weatherhead)?

When installing an overhead power service entrance, you can choose between metal conduit with a metal weather-head, or PVC conduit with a PVC weather-head. Is this 100% a matter of preference, or are ...
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46 views

Are non-metallic in-use covers acceptable according to NEC 2011?

Our village goes by the NEC 2011 (they have not updated to current code). Can you use non metallic in-use in Cook County, Illinois, or do i have to use the metal ones? I looked at 2011 NEC 409.9 A. ...
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127 views

Running bathroom vent duct through cold air return

I am remodelling a basement and I noticed that the old bathroom has the vent duct running through the cold air return ( for about 6ft, in and out, the entrance and exit are sealed) and then outside. ...
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104 views

Does IRC 2012 Code allow water lines in exterior wall?

New construction, 2x6 exterior wall in a basement walkout. Does the IRC code or any plumbing code prohibit installation of water and drain lines in an exterior wall? We want to put a vanity sink ...
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63 views

Electric on bath cabinet side

Is it allowed by NEC to install an outlet into the side of a bath cabinet like in the picture. I want to cut a section of the cabinet side for a box and then punch a hole in the back wall and run the ...
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121 views

Are drain-clearing bladders safe?

I advised a friend to use a drain bladder to clear a sink clog. Turns out there was a vent that didn't connect to the main vent stack--it just terminated inside the wall. So she put a bunch of water ...
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109 views

North Carolina Code question for splicing 6x6 posts

I have a 48 X 10 second floor deck with 6X6 posts. I want to add a roof above about half of it. It is not feasible to replace the 6X6's with longer ones as I would basically end up replacing the ...
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243 views

Can I move well pipe from under front steps and still satisfy Connecticut code?

I have a problem with my well pipe - it leaks in the spring (when snow melts). As you can see from image below - multiple hack repairs were attempted by previous owners. I was going to excavate the ...
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145 views

basement bathtub straddling a crater

we got this house recently. i was working on paint and finishing our basement bathroom.. trying to remove the baseboard trim surrounding the the bathroom shower, i noticed that it came out ...
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243 views

Does the junction between two horizontal spaces need to be fireblocked?

This question is in regard to interpretation of IRC:2012 R302.11 for a single family dwelling. It is clear that junctions between vertical and horizontal framing need to be fireblocked (e.g. between ...
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2k views

When does a sleeve become a conduit, and how much can I fit in a sleeve?

According to National Electrical Code, the conduit percentage fill table does not apply to sections of conduit used to provide protection from physical damage (sleeve). National Electrical Code 2014 ...
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136 views

Independent circuits on a common trip CB

Is it permissible under the 2014 NEC to feed two independent 120VAC branch circuits from a common trip (aka double pole) circuit breaker? The circuits do not share a neutral wire, and are ordinary ...
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169 views

Does this count as a material alteration or repair for code purposes

Ontario Building Code, 2012 Except as provided in Section 3.17. of Division B, Section 9.40. of Division B and Part 11 of Division B, if an existing building is extended or is subject to ...
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475 views

Can a water heater be installed overhead?

Sorry for the long preamble: I'm doing a remodel which involves building a new attached garage. At the same time, I'm replacing the water heater because it is ancient. I have considered a ...
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134 views

Can I attach a metal box for a vanity light to a wood cross?

I am redoing a new bathroom. I have a metal electrical box that I want to replace (because it is an odd size from the 50s). The current one is simply screwed to a wood cross (2x4) running ...
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156 views

Where can we recycle washing machine and kitchen sink drain water?

I would like to know the best place or method to recycle drain water from the kitchen and washing machine. Can we use it for gardening (as it contains soap and oil)? Or it can be added to a Biogas ...
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240 views

How do you plug an unused hole as per the NEC for a liquid tight enclosure?

I have been looking for a way to seal a liquid tight product using Listed blanking plugs / Cap-offs or similar to comply with the NEC (US National Electrical Code). We wanted to use Conduit Entry ...
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11 views

Sizing wide flange I-Beam for 20" span

I am doing a barn renovation project (pacific NW, 98922), and need to take out a large load bearing wall and replace it with a beam. Was going to use an LVL (which I sized at about 5.5 x 18") ...
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33 views

Can a 1 hour fire wall be used as a finish wall?

I am building what is referred to as an ADU (Accessory Dwelling Unit), and will be required to install a 1-hour firewall which I understand to be a 2x4 wall with 5/8" gypsum on both sides. It ...
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2answers
33 views

How to install deck railing post sleeves on these posts?

When I bought my house, the deck was in poor shape. Enough to pass inspection, but the deck boards have not been sealed or washed in years. There are way too many splintering and cracked boards. I ...
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30 views

Exhaust fan in Toilet room off the master bath

I understand it is code for exhaust fan in the Toilet room (Small 4x5 room with door) this room is off the main master bathroom. Do I need another exhaust for the main bathroom for code? Can I put a ...
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18 views

Outside Wall Water Damage Repair

I removed a masonry flower bed that was causing water to flow into garage during rains. The masonry was allowing water column to form against house siding. Upon removal of flower bed I found damage to ...
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1answer
49 views

install second washing machine in separate part of house

I am installing a second washing machine in a different part of the house and want to connect the two washers to the same drain(2 inch pipe). Current washer is in basement with basic set up of ...
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18 views

How to construct posts on 15' tall dock

I am working on designing a 2 story dock that will house my boat and have a deck on top. I was planning on constructing the dock using concrete pillars and 6x6's. My original plan was 12" wide ...
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44 views

Convert 120 V circuit to 12 V by splicing LED driver into existing wiring

My kitchen has a light switch by the sink which operates a pendant light above the sink. I am making a DIY replacement light using a 12 V LED strip and a 4 ft. wooden dowel to be suspended ...
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147 views

Widening a closet opening, what type of header to frame?

I have a standard 30 inch closet door. I want to expand the opening to 48 inches (to install double bifold doors) I am 98% certain this wall (which is on second floor) is not load bearing: There is ...
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345 views

Shed under power lines

I wish to build a shed, but the location I want to use has an overhead power cable running from the utility pole to the neighbor's house. The line has about 12' of clearance from the ground. Is ...
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115 views

Can I place a slide-in gas range up against plywood sheathing?

I'll be putting a slide-in gas range up against a knee wall. However, I planned on bracing the knee wall with 3/4" plywood sheathing from the bottom plate up 30", where it would be completely covered ...
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48 views

Fuel gas CSST line allowed in plenum in Texas?

I recently visited a house. The host pointed out something interesting. The furnace AC combo is in an indoor closet and is vertical upflow and sits on top of a filter base that sits on top of the ...
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1answer
138 views

ok to run PVC pipe behind gas meter?

I am considering installing a radon mitigation pipe system in my home, but the only area where I could reasonably have the pipe exit my home is crammed with all my other utilities. The best spot I've ...