Questions tagged [safety]

For questions generally relating to preventing or avoiding injury in the home or on the job site.

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Why are nails showing in my actitic after new roof was installed?

I live in Northwestern Florida (Crestview), and I never go in my attic during the summer because it's tooo hot. In July we got a new roof and solar panels. I had to go in the attic to retrieve ...
0 votes
1 answer
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Mysterious junction box in bathroom

In my house there is a junction box near the floor in the bathroom. It was presumably installed by or on behalf of a prior owner who did some renovations on the lower floor. Here it is in all its ...
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2 answers
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Do we need an air vent pipe for percolation (septic) tank?

I'm going to set up water percolation tank( made of cement rings ) for filtered septic water from septic tank. Is it necessary to have air vent pipe? but it could cause some foul smell. Would it be a ...
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How close to an old mount point can I mount a TV?

I recently purchased a house and the previous owners had a TV mounted over the fireplace, but removed the mount and painted over the holes before they sold. I would like to mount a TV, but ...
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2 votes
2 answers
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Adding another lock to my exterior door? Any issues structurally

I have a house that was built in 1975, and I plan to add another lock, a deadbolt lock, to my front door. Since the door has glasses on them, I wanted to know if it is structurally sound to add ...
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A tiny shock when using electrical tools, am I safe?

I get a little shock when I use a couple of electrical tools in my garage studio. My husband tells me not to worry about it, just wear shoes. He says it is caused by a crossed neutral wire, and that ...
6 votes
2 answers
1k views

Charring on live wire

I replaced a single socket with a double today in a new build house we've lived in for around a year. Upon disconnecting the live wire I noticed it was blackened and looks to have caused some arc ...
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2 votes
1 answer
121 views

Safety Switch for utility disconnect placement

I am trying to fulfill my one line drawing for AEP Texas for their interconnection agreement so I can install solar with battery backup on our home. AEP says: Please note that the AC Disconnect ...
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2 answers
97 views

Can circular saws be used in a wet application to cut concrete with a diamond blade?

I've seen videos of people cutting concrete using a circular saw and diamond blade, and using a hose on the running blade to minimize the dust. My initial reaction is how are they safely running ...
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2 answers
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Safe to run LED strip extension wire under an oven?

I'm installing LED strip lights around the base of our kitchen cabinets, but there's an oven right in the middle of it. Is it safe to run extension wire (like this) under the oven? If it matters, the ...
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3 answers
137 views

Can I anchor a safety harness with a ladder or the side of the house?

I'm going to do some roof work and I plan on using a safety harness. I'd like to avoid making any holes in the shingles to attach the harness anchor. Could I instead attach the the safety line to a ...
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Is plugging a leading-edge dimmable lamp into a trailing-edge dimmer plug safe?

Rationale for what I'm trying to do: I'm trying to update my house to use "smart" lighting and one device I want to update is a smart lamp in this style but with replaceable bulbs. If I ...
14 votes
3 answers
2k views

Does it cause problems to overtighten connections on receptacles/switches?

One of the things that's always been drilled into me is "loose wires cause fires," and that's something I always remain conscious of when changing out devices. But is there such a thing as &...
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1 answer
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Heat Pump Condensate Safety Switch Wiring Question

I recently purchased a simple condensate overflow safety switch (Rectorseal 97647) to install in my attic air handler unit. I currently have the switch installed on the red wire, but do notice the ...
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2 votes
2 answers
103 views

How to secure a rail butting up to the wall

I am out of ideas on how to fasten this rail butting up to the wall. I don't think that using a bracket would give it enough strength if someone were to lean on it as its span is 6 feet and so there's ...
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6 votes
4 answers
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How can I inspect my mitre saw blade for damage?

So I did something stupid and tried to cut a piece of wood that was oddly shaped, too big for the saw, and badly clamped. When the blade hit the wood it sent it flying and some of the wood chips ...
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1 answer
157 views

Is my analysis of a closet system (rails hanging from a top track) correct? (e.g. Elfa, IKEA Algot, or floating shelf on L brackets)

So my contractor didn't use the supplied anchors from the closet company (Elfa), and now I don't know if the random anchors they used will hold up, and wanted to know if I should re-mount the tracks ...
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1 vote
1 answer
217 views

One time High Exposure to Asbestos Drywall Dust

Yesterday, I removed a wall from my basement and tried to vacuum the dust after removing/breaking it. When I used the vacuum, I didn't realize that the filter (not HEPA) was not properly installed and ...
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3 answers
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Is this black mold? Do I have to vacate my home?

I am tearing out some wet ceiling in my kitchen. I found this on the underside of the drywall. Am I looking at black mold? If so, do I need to evacuate my family and pets from the house? For ...
-1 votes
3 answers
201 views

Do they make cord lit extension cords? [closed]

I am not looking for a specific product recommendation. I am wondering if a product exists and what the technical name for it would be so I can find various manufactured products when doing search. ...
2 votes
5 answers
322 views

Mystery irritant at home [closed]

There is something in the house in which I live that gives me and my partner itchy eyes, aching joints and extreme fatigue. Extensive medical examination excluded allergic reactions to dust, pollen, ...
1 vote
2 answers
65 views

Shower grab bar at edge of tile

I would like to install a shower grab bar into my tiled shower. I would like it very secure and so found some studs (using a magnet to pick up drywall screws). The studs do not line up with the ideal ...
0 votes
3 answers
181 views

Do I need to turn off the breaker to install a pigtail adapter?

Like the title says, do I need to turn off the breaker before installing a 2-prong to 3-prong "pigtail" adapter? The instructions on the packaging state that I must, but my apartment has no ...
2 votes
2 answers
423 views

Junction box for furnace fuse reads hot with NCVT, but the furnace operates normally. Is this dangerous or incorrect?

Location: United States, Colorado While diagnosing an unrelated electrical issue during renovation, I discovered that the junction box containing a fuse and switch, which provides power to my furnace, ...
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1 vote
3 answers
939 views

Plug fell in a bucket of water, is it safe after drying?

My flat iron's (for clothes) plug fell in a bucket of water. I pulled it out almost immediately. If I let it dry, is there any concern if I use it or is it not safe anymore?
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Vertical bricks above a window new house uk

I am trying to fit an outdoor camera above my window frame. The beat place for me is in the line of vertical tiles above the frame. These seems to only have half thickness and I am not sure what is ...
-4 votes
1 answer
96 views

Is it safe to use a lawn mower blade in an angle grinder? [closed]

Is it sufficient to remove the guards and bolt on a lawn mower blade, or should I find a different mechanism to secure it?
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Identification of Mold

I am working with some old plaster and a few days after it set, I found that pink mold or fungus appears to be growing on it. See attached photo. Please help me identify what type of mold this is and ...
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Barn door with one of the bolts on drywall

I just installed a barn door track on a nice, solid piece of timber. However, the piece of timber doesn't go all the way horizontally, meaning that the last bolt is just on the drywall (plasterboard), ...
17 votes
7 answers
5k views

Ok to put bleach in toilet tank?

My toilet's tank has a lot of dark brown scum growing on the walls. I assume it's some kind of mold or bacteria. The water itself isn't cloudy, but when you flush, some of the scum comes loose and ...
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13 votes
6 answers
3k views

Tips for keeping a ladder steady when it is leaning against a sloped roof

I cannot come up with a reliable way to keep the ladder steady when it's leaning against the shed roof. I need to paint the trim two storeys up. When the right side of the ladder touches the roof ...
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1 vote
2 answers
160 views

Is my garage subpanel safe for 100 amps?

Not an electrician. Just wondering how much my subpanel can safely power. I have a 125-amp subpanel in my attached garage powered by two separate 6/2 NM-B cables with ground, run in the attic. ...
0 votes
1 answer
91 views

Is it safe to use extension cords whose wires are not double-insulated?

Most of the two-prong extension cords I have encountered have two conductors which do not seem double-insulated. This is in contrast with three-prong power strips which usually have three, already ...
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1 answer
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Storing Paint in a Hot Garage

Safety in storing Paint. I just purchased a new Gemini Twin Home or Duplex? Is it safe to store Paint in a Garage where the heat could rise to 110 Degrees? What can I do to get the paint out of my ...
0 votes
3 answers
170 views

How to prevent live/neutral/ground cables being swapped? [closed]

A few years ago, I made the mistake of swapping the live and neutral wires on an appliance. The switch was only connected to the live wire, but since the wires were swapped, the whole circuit bypassed ...
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0 votes
1 answer
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Extending 20AWG of Ikea VAXMYRA, What to look out for

I am looking to extend the current wire of Ikea VAXMYRA led light. From the wire there's printing of AWM 2468 20AWG 80oC 300V. Can I literally just purchase another 20 AWG cable and splice it? Please ...
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1 vote
1 answer
176 views

What could be causing the voltage drop in light sockets of my bedroom

I have a single circuit breaker for all lighting circuits in my apartment unit. However I'm having severe voltage drop in my bedroom's light sockets. I started suspecting about it ever since the ...
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1 vote
1 answer
71 views

Can I add an extension to an air intake for apartment central A/C? Is this a health or code violation?

The apartment I am living in has a nasty odor coming from underneath the furnace/ac and water heater. The air for the furnace is sucked up from this underneath section making all of the air that is ...
5 votes
2 answers
841 views

How reliable are receptacles' clamp connectors for stranded wires?

A lot of people seem to discourage "backstabbing" wires (whether those be stranded or solid) to receptacles wherein an inserted wire could later be released by pushing a flat-head screw to ...
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3 answers
206 views

How to cover an unused outlet box with worn out screw holes?

I have an outlet box made of cheap PVC with worn out screw holes. It is located in a bedroom so dampness isn't really a big issue. The problem is: it's embedded in concrete so replacing the whole box ...
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1 vote
1 answer
112 views

Fire extinguisher gauge showing high pressure

There's a fire extinguisher in my apartment that has been neglected to be inspected in years. I was planning to finally drive to get it checked, but noticed the gauge is in the red area showing high ...
1 vote
1 answer
82 views

Could anyone vouch for these Taiwanese wire connectors? [closed]

I'm looking for an alternative to WAGO wire connectors and stumbled upon this one (https://www.heavypower.com.tw/english/product/102). Does it look legit specifically its UL certification?
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3 votes
2 answers
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Why do we still need protective earth with an RCCB/RCBO?

If most of your devices at home are already double-insulated, does the protective earth still serve a purpose when you have an RCCB/RCBO installed in your panel board? I'm asking this since I live in ...
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8 votes
3 answers
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Paint inside refrigerator water shutoff valve—clean or replace?

The refrigerator water shutoff valve in my house has not been used in years. At some point, it seems to have been partially painted over, and there is paint inside the opening on the valve (photos ...
0 votes
2 answers
122 views

Is it safe to extend an outlet off of a series of light fixtures?

So the tldr here is I need an outlet in my basement but I don't want to burn my house down in the process. I believe I did the math correct here but I'd just like to know if there's anything I'm not ...
4 votes
1 answer
275 views

Adding switches from different phased circuits to a ganged box

Is there a safety concern or code requirement around mixing circuits from different phases (on different buses) in a single box? I want to pair 2 switches into a 2-gang box where the switches are on ...
13 votes
9 answers
4k views

Is it possible to dangerously short a U.S. power outlet with multimeter probe?

I was recently told that the common 120V electric receptacles (non-GFCI) found in North American homes can be extremely dangerous to measure using a multimeter. FYI, this came up while I was checking ...
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1 answer
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Should I use a 10A e-stop on a 15A breaker?

I want to add an e-stop to my lathe. I'm not sure how much current it draws but I have it on a home 15A breaker. I was surprised that so many e-stop switches are listed as 10A rating - why so and ...
0 votes
2 answers
136 views

Reducer Bushings for flexible liquid-tight non-metallic conduit

I am building an off-grid solar system that includes components such as a PV Combiner box, all-in-one inverter, split phase transformer, main lug service panel, etc. They will all be within a few feet ...
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Extending a basic rectangle deck out 4’

We have a basic porch deck that is a rectangle with stairs at the front of it. We want to extend the deck out 4’. We’re only adding on to the area to the right of the steps, so we’d be building an ...
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