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Bookshelves and floor loading - is this safe?

I'm thinking about making / having made some bookshelves to replace some flat-pack trash "book" shelves that can't really hold books. A lot of my books are on the larger and heavier side. ...
Matthew's user avatar
  • 229
0 votes
1 answer
34 views

Correctly Calculating Air Condition Load for Service Calculation NEC 2014

I am looking to install all new kitchen appliances and wanted to see if my current service would be sufficient. I am trying to calculate the service load using Article 220 of the NEC 2014 and I am ...
GZ704's user avatar
  • 3
1 vote
1 answer
52 views

Partition wall loading on parallel joist

I want to move a non-bearing 2nd floor bathroom wall about 2.5 feet to make the space bigger for a bathroom remodel . The wall is currently over a matching bathroom below so the walls previously ...
Billyboy 's user avatar
0 votes
0 answers
42 views

Can I connect 3-core electrical wire to a 2-socket load?

I am completely new and inexperienced with electrical work but wanted to learn how to DIY a very basic exhaust fan installation in my kitchen. I built a hood that mounts onto a small window and bought ...
stephanieg8888's user avatar
1 vote
2 answers
75 views

How do you calculate a home load for a whole house generator?

How to total the house load and what size generator to handle it?
William Watt's user avatar
2 votes
1 answer
74 views

Can I remove double top plate?

I am doing some renovation in my kitchen and when I removed the door that goes into kitchen, I came cross some sticking out wood from my ceiling and my wall and I am wondering if they can be removed ...
Renas's user avatar
  • 21
0 votes
0 answers
28 views

Basement jack post on uneven support beams?

House is 100 years old. I'm looking to add a jack post as secondary support under a load bearing basement beam. The load bearing beam is 3 2x12 together, with an additional 2x4 on each side to ...
XLIII's user avatar
  • 1
1 vote
2 answers
89 views

Possible to install a beam in place of load bearing wall?

We are looking to expand our kitchen into a space that I figured was a load bearing wall. Details: 1st floor, the truss joists all go from front to back of our home. I noticed the section where there ...
Chris's user avatar
  • 11
6 votes
5 answers
4k views

How much weight can a large screw safely hold in a ceiling plasterboard?

I have a plasterboard ceiling. I want to hang a speaker mount from the ceiling. I have these screw plug things I have already used these to hang other stuff from the same ceiling and they're ...
spraff's user avatar
  • 301
0 votes
2 answers
196 views

What can hold more weight, a wall stud or a ceiling joist? [closed]

I'm planning on building some custom wood-framed storage near the ceiling of my garage. The things you can buy online seem to always be ceiling mounted (Example: This product) However, I also found a ...
Morgan March's user avatar
3 votes
1 answer
593 views

Is there a practical limit to the weight I can put on top of my kitchen cabinets? [closed]

How do I get a sense of what kind of load my kitchen cabinets will hold? The building is 12 years old, as is the kitchen fitout (we did not do the fitout ourselves so I don’t have the plans and don’t ...
Robert Atkins's user avatar
0 votes
0 answers
30 views

Load bearing or not load bearing?

We are in the process of removing a wall between our kitchen and living area. House is one level. Had someone already come out to inspect and he said it was not load bearing but wondering if we need a ...
Ashley Riley's user avatar
0 votes
3 answers
45 views

GFCI Installed right, but no power when load is plugged in [closed]

As stated in the title, the GFCI works when it's just the line hooked up. However when I hook up the load wires, the outlet won't reset and nothing downstream works. Nothing I google helps me.
Jared's user avatar
  • 9
0 votes
0 answers
65 views

Removing a coat closet in a single-story 2001 build. Does this look like load-bearing to you guys?

Removing a coat closet in a single-story 2001 build. Does this look like load-bearing to you guys?
Kyle Say's user avatar
4 votes
1 answer
952 views

Can I wire my infrared heating panels to my existing circuits?

I am getting two Wexstar 550W infrared heating panels that I will install both on the ceiling. They can just be plugged into a regular outlet. However, per FAQ they can also be hardwired and this is ...
divB's user avatar
  • 1,377
0 votes
1 answer
42 views

Can a roof be supported with a 2x12 which is cantaleverd 8'?

I'm building a 12x24 building with 8' of the roof 10psf. being supported with one 2x12 on each side cantaleverd 8'from the other 16' of the building. Will a single 2x12 on either side of the 8 x 12 ...
Jason's user avatar
  • 1
0 votes
1 answer
198 views

How do I calculate the weight tolerance for a steel gate post?

I'm building a new gate that is 6.5' wide and 6' tall on sleeve hinges. My post is 2 3/8" Schedule 40 steel sunk 2.5' into the ground with 6' above ground. My soil is very sandy and my hole ended ...
Solomon Bothwell's user avatar
-3 votes
1 answer
481 views

How do you estimate the load capacity of a roof truss? [closed]

How do you calculate the load capacity of a roof truss, like the ones commonly sold for house construction - made of 2x4 wood, fastened with metal plates, triangle shape with webbing? I know enough ...
gomennathan's user avatar
2 votes
1 answer
124 views

Can I use a 120v load tester to test a 240v circuit by testing each hot wire separately using the ground wire as the neutral?

I have an old house and want to make sure that the wiring for all of the 240 baseboard heating units are still up for the job and not likely to overheat or have any conductance issues. No obvious ...
Mychael's user avatar
  • 21
0 votes
0 answers
116 views

How can I jack up a header for replacement?

I am trying to replace the header of a load bearing wall above some pocket doors. I have already done the header over the other set of doors on the other end of the room with no issues. However, when ...
Benjamin Bryan's user avatar
0 votes
1 answer
69 views

NEC 220.82c Panel Load Calcs and Multi-zone HVAC

When doing panel load calcs, the section on HVAC loads isn't quite obvious to me regarding multiple zones—hopefully one of you sparkies can clear things up. My house has two-zone HVAC—downstairs is A/...
Huesmann's user avatar
  • 3,680
1 vote
0 answers
73 views

Looking for a span-table reference which details options for timber framed 1.40PSI static loads

I haven't seen any tables above 70PSF. Based on my calculations, a rain barrel full of water exerts about 168PSF. I live in the mountains in Colorado so I can probably expect additional weight in ...
mreff555's user avatar
  • 1,287
0 votes
0 answers
39 views

Is this dividing wall load bearing? [duplicate]

My fiancée and I are remodeling our recently purchased home and want to triple check to confirm this is not a load bearing wall before tearing it down. The portion of the wall touching the ceiling is ...
Josh's user avatar
  • 1
1 vote
0 answers
72 views

Can a stringer be cut and joined to fit a narrow stairwell?

I have a narrow unfinished basement stair with open risers. My wife would like to see the stairs "looking not like basement stairs". To do that, I'd add risers, and replace the treads with ...
AdamO's user avatar
  • 702
1 vote
1 answer
168 views

Can this wall support books on track shelving? [closed]

I would like to install a track shelving system on a wall to hold books, and want to ensure that the setup could hold the load safely (and also not destroy the wall). I’ve found mixed info* and am ...
catbirdsofa's user avatar
0 votes
3 answers
737 views

plywood load-bearing capacity: a stack of several thin ones compared to one thick one

I want to build a plateau for my child (for sleeping, playing, whatever - except romping), around 1m x 1.6m. For that, I want to use a plywood plate of the given dimensions and put it partly onto ...
Kjara's user avatar
  • 395
0 votes
2 answers
109 views

Is my plan for running cable 250ft to a subpanel OK?

Im running 2224 aluminum 250ft to a subpanel. I need two 15amp outlets. I plan on using 2224 and a subpanel. Is there a better option. Thank you !
John Taylor's user avatar
1 vote
1 answer
223 views

How long do you overcut replacement studs on a load bearing wall?

I'm replacing a few 2x4 studs on a load bearing wall. It's not sagging but I'm rearranging an opening and also, some of the studs are showing some damage. I've heard specific guidance on how much ...
Lazarus's user avatar
  • 13
0 votes
1 answer
403 views

Can I use a full whiskey barrel for sun shade sail with rocks instead of concrete?

I have a 20 x 10 sun shade. 3 sides will anchor to the house. The other corner I was hoping to anchor from a 8' 6" post put in a fully intact whiskey barrel. Just cut the top and place the post ...
Bob's user avatar
  • 1
1 vote
0 answers
194 views

Thickened Slab vs separate pad below slab for interior load bearing post?

I am in East Tennessee, building a new construction home that has a point in the middle of the building that is load bearing. The cause is a beam across the ceiling that rests on solid blocking (...
conner_mitchell's user avatar
5 votes
2 answers
1k views

Determining ampacity for 3 phase panel with single phase loads [closed]

I am an electrician seeking clarification on determining the ampacity for a 3-phase electrical panel with balanced single phase 2P loads. I have a specific scenario and would appreciate the expertise ...
Michael Frank's user avatar
2 votes
1 answer
78 views

Is this load bearing wall?

This is a 10' wall with the roof joists running on top of it. Really doesn't seem like it's supporting much. It's pretty flimsy except the newer cutout for the opening that was installed. Would a ...
Mark's user avatar
  • 21
0 votes
1 answer
230 views

240v outlet leg b voltage drop under load

I have a 3 prong 240v outlet for a dryer that reads 240v across both legs and 120 across the ground. When I turn the dryer on and have the multi meter to the ground and a hot leg it shows 120 but if I ...
Brian's user avatar
  • 1
0 votes
1 answer
175 views

Partial Wall Load Bearing? [closed]

I'd like to buy a new refrigerator, one that's considered standard width of 35.75 inches. The space where my old refrigerator is to small by about an inch. I'd like to take down the partial wall that ...
Kristenl2784's user avatar
0 votes
1 answer
1k views

Triple 2 x 8 fir beam with span of 12 feet. Will beam support hoist load of 1250 lbs [closed]

Triple 2 x 8 fir beam with span of 12 feet. Will beam support hoist load of 1250 lbs
DJK's user avatar
  • 3
1 vote
0 answers
983 views

Working Load of 4x6 Pressure Treated

Adding a shed roof to my building that will have rafters 16" on center. How can I find the working load of a 4x6 pressure treated beam that is supported by 4x4 posts 10' on center? I will also ...
Craig Larson's user avatar
0 votes
0 answers
313 views

Calculating the load limits of dimensional lumber and a custom beam

As I build things, how / where can I look up the approximate load values for a “beam” made of dimensional lumber? E.g. What is the max it can hold if it’s in a joist orientation (sideways with the ...
Doug's user avatar
  • 180
3 votes
1 answer
228 views

Is this wall load-bearing or not?

A few months back, I purchased a home (built in '57). During the walkthrough and home inspection, there was a wall between the kitchen and living room with an opening on the far end near the exterior ...
Billy Cash's user avatar
2 votes
2 answers
678 views

SIEMENS AFCI breaker trips with load on any outlets along the circuit

Everything working on this circuit for couple years. And suddenly get breaker trip with any load. Suspect a faulty breaker first. However, issue stays the same after replacing the breaker with a known ...
Dell Ciise's user avatar
0 votes
1 answer
206 views

How can I make my floor handle a 3500 lb. aquarium? [closed]

I want to put a 220 gallon aquarium along an outside wall over an 8 foot sliding door. Across from there is a set of stairs. The floor joists are 2"x10"x15' at 16" on center with two ...
Eddie B's user avatar
0 votes
0 answers
68 views

is wall a roof kick sits on considered a load bearing or just the area that is directly below it?

I have a bathroom wall that has my sink drain and faucet lines. The vent goes straight up. I want to insert a recessed mirror that would require me to make the vent to go around the mirror. The wall ...
Dave G's user avatar
  • 21
1 vote
4 answers
2k views

hanging yoga swing from ceiling joists

I want to hang a yoga swing from the ceiling (last floor, ceiling is insulated with some loose substance, if it makes a difference). The yoga swing needs two bolts, one to two meters apart. I'd rather ...
Jeffrey's user avatar
  • 2,061
0 votes
1 answer
73 views

Could this center post be load bearing?

I have a partially below grade family room with a concrete sub-floor that we're remodeling. There is a 12+ foot wide closet running across one wall. I need the center post for the closet gone. ...
milobot's user avatar
0 votes
0 answers
68 views

White Pine load bearing capacity

How much load can a 4 x 6 solid white pine support on an 8ft span (anchored a both ends) The normal snow load in this area is 125psf.
Mike's user avatar
  • 11
0 votes
0 answers
246 views

Raising Sunken living room - Load concern

I want to raise the living room so it is level with the rest of the house. I have all the dimensions and how I will be doing it. However, I am concerned about the load as there is a basement below. ...
Stephan John's user avatar
-2 votes
1 answer
158 views

Is this wall removal safe? [closed]

I have a handyman here doing renovations. I had him remove a wall from a load bearing area. I told him we need an additional beam,. He insisted upon insisted we don’t. He removed the wall and the last ...
K. M.'s user avatar
  • 1
0 votes
2 answers
8k views

How much weight can a 9 foot tall 3.5" x 1/4" thick hollow square steel tube hold vertically when used as a column

I am trying to get an idea of how much load / weight (2) 9 foot long piece of 3.5" x 3.5" x 1/4" thick hollow square steel tubing can support when used vertically as a column. The ...
Andrew's user avatar
  • 11
0 votes
1 answer
190 views

Calculating center beam for purlins on porch roof

I'm building a porch roof as seen in the picture below. The blue boards will be 2x6x12 on 24" centers. Knowing this, how do I determine the size of the red boards? I do plan on doubling each red ...
Gods's user avatar
  • 3
2 votes
2 answers
915 views

15 A Circuit - Moderate Load (500W Space Heater) tripping breaker?

I'm trying to troubleshoot an issue that's been happening with one of our circuits in our '87 house (home office). At least twice now, the 15 A circuit breaker has been tripped on our 200 A breaker. ...
Shultzy's user avatar
  • 31
0 votes
2 answers
1k views

Where to find maximum load for roof terrace

I live at the top of a mid-rise block of flats and the top flats are inset slightly such that each has a balcony/terrace area. I'd like to put some sizeable planters in this space (175 litres). ...
Matt Ellis's user avatar