Questions tagged [safety]

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

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58 views

What causes a rainbow sheen on wire jacket?

I've got this wire running through my wall that has a bit of a rainbow sheen to it. I feel like that's probably an indication the wire has gotten a bit toasty in the past and should be replaced. Is ...
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4answers
5k views

Why aren't AFCI breakers required for bathrooms/lavatories?

Why doesn't NEC require AFCI breakers for bathrooms/lavatories? Is there a good reason NOT to install AFCI protection on a 15A/20A 120V bathroom outlet? (I.e., use GFCI only.)
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3answers
458 views
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6answers
7k views

Electric shock - was I stupid, unlucky, or a combination of both?

One of the double sockets in our garage needed replacing (damaged after a washing pole hit it) - a pretty trivial job that I'd done before. So I flipped the MCB for the ring main, used a non-contact ...
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1answer
1k views

Is my Non-Contact Voltage Tester from Klein Tools safe?

There are many questions regarding Non-Contact Voltage Testers. They are a great safety tool when used as recommended and when they are functioning as designed. Has mine been recalled? Model: Klein ...
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9answers
5k views

I live in an older home without ground wiring. Is it safe to install 3-prong GFCI with only a hot and neutral?

I live in an older home that doesn't have any ground wiring. Is it safe to just install 3-prong GFCI outlets and use devices and appliances that expect a ground wire connection when I just have the ...
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0answers
75 views

Unidentifiable worms appear on apartment floor

I found some worms on my apartment floor. I can’t find anything rotten around the apartment, but I don’t know how they got there. Are those maggots? video link
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1answer
105 views

Is there any research about how risky it is to have a circular saw?

Is there any research about how risky it is to have a circular saw? I want to buy my first one. I already watched many YouTube safety tips. But, I am still concerned. Is there specific data on the ...
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3answers
106 views

Is it safe to use circular saw without workbench or saw horse?

I'm building a chicken coop, and I want to build it in-place using a cordless circular saw. I did not purchase the saw yet, until now I've used a Jigsaw, but for that I need to take it down that will ...
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3answers
71k views

If polyurethane is not food safe, why is it used on dining tables?

Why do online sites say that polyurethane isn't food safe, and is there some way I can use it on my kitchen worktop and still be safe? I don't prepare or store food directly on it or use it as a ...
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2answers
3k views

Is a negative reading from a non-contact voltage detector sufficient?

I'm a beginner at doing electrical work, and I want to make sure I'm not taking unnecessary risks. Let's say that I'm preparing to work on some wiring. I have a non-contact voltage detector that ...
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18 views

How to repair (and prevent) pool cover tear & holes

We have a safety cover for an inground pool. Over the winter, heavy snow melting and refreezing caused it to be weighed below the surface and tore up a few holes where the cover contacts the concrete ...
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1answer
98 views

Tempered Glass Requirement - Bathrooms

I'm aware that based on the 2018 Residential Code tempered glass is required around wet surfaces (i.e. bathrooms). However, could someone tell me when this tempered glass requirement went into effect? ...
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2answers
264 views

Are smart meters really dangerous?

It has been announced that we will be getting smart meters installed in our city by our electrical utility (in the US) later this year (2018). A bank of 23 analog electrical meters now sits about ...
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2answers
859 views

Are molds dangerous to health if they are not in my own apartment? [closed]

I need a help to decide if I will move out from this building because of mold and health risks. Is it dangerous to live in a buliding in which the hallway is full of mold? I've been reading about ...
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8answers
6k views

What substances should you avoid contact with your bare hands?

I started thinking about this yesterday because I currently have a weird feeling second skin from the polyurethane adhesive I used to attach my kitchen backsplash on Sunday. I foolishly assumed since ...
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2answers
10k views

What happens if you wire a four-prong dryer cord backwards?

What happens if you get the red and black wires of a four prong dryer cord backwards? This question assumes: we are talking about U.S. Residential wiring the person doing the wiring gets the green ...
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5answers
189 views

How do I safely transport a heavy item downstairs?

I want to put a freezer in our basement. The models I'm interested in weigh around 60-75kg. The shops will happily deliver the item to our front door, but from there, I'm on my own. I'm a 75kg middle-...
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1answer
40 views

Voltage detector beeps on the sides of smart dimmer switch after installation

Possibly similar to Should a smart switch (that requires a neutral wire) cause my non-contact voltage tester to beep? but slightly different symptoms, and only on one switch. After installing Leviton ...
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3answers
73 views

How to handle carpet offgassing?

I moved into a new apartment and the carpet is offgassing VOCs. I'm quite sensitive to chemical smells and it irritates my nose and throat constantly. The carpet is around 1 year old, so it will ...
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0answers
29 views

Yellowish residue from within water pipe

I was changing a valve today and used tissue to wipe water off the threads. While doing that, I also wiped the inside of the old pipe a bit through the opening, and I got yellow residue on the tissue (...
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4answers
7k views

Can I safely use a straight (Type 1) metal cutoff wheel in angle grinder?

I have a Ridgid angle grinder and a metal cutoff wheel. On page 7 of the manual it states: Use ONLY Type 27 depressed center grinding wheels (such as the one provided with this product). NEVER ...
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0answers
38 views

Using air humidifier wick cleaned with home detergent - Any health concerns?

I have been using humidifier with rotating wick, and used to clean it with domestos detergent. This detergent as said by manufacturer contains: Non-ionic surfactants <5% - particular type not ...
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1answer
95 views

Dead end in pipes and legionella risk

Today a plumber removed a sink from my house and sealed the two corresponding pipes at the location where they branch from the rest of the system. I expressly asked him to do this because I wanted to ...
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3answers
252 views

How can I safely remove a large fallen tree?

I have a large tree that has fallen on my property, and it is currently supported on opposite ends, like this: The bulk of the tree that was beyond the fence, off to the right, was already ...
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11answers
3k views

Is it safe to use a drill bit with a half broken tip?

I broke the tip of the masonry drill bit. The tip looks like this now. Half of it is missing, and it seems that the tip itself moved slightly towards the center (since at the bottom, it is parallel to ...
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1answer
697 views

Fridge has a weird smell coming from where the compressor is

I have a fridge that has some kind of weird smell coming from where the compressor is. Ive checked the wires and any connections to see if theres any burnt wires, theres nothing. Its not really a ...
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2answers
18k views

What is an oven anti-tip device and how do you install one?

I'm trying to sell a home, and we're in the inspection / repair phase. The buyers asked for me to install an anti-tip device for the oven in the kitchen, and I'm not even sure what that is. Can ...
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1answer
245 views

One outlet in house is hot while turning all breakers off

One outlet does not appear to be attached to a breaker in the breaker panel. Only in shutting the main breaker off does that outlet lose electricity. Is this dangerous? Is there a remedy?
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0answers
40 views

Can I connect Ground from UPS outlet to another outlet which has no Ground?

Simplified situation: I live in a rented room. My room has two two outlets, namely Outlet A and Outlet B. Outlet A has connections only from main supply. It has no connection to UPS. And, it has two ...
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1answer
93 views

Me and my mom and dad moved to a older house since we have moved in we have had health problems

Me and my mom and dad have been having health problems since we have moved in our house in October , have brain fog and anxiety and my alleges and ashms and rashes and my mom and dad have been having ...
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1answer
106 views

Can I move a joist a few inches left without the ceiling falling on my head?

The ceiling above the stairs in my house (1950s, Minnesota) is too low. I want to remove the offending joist (the one that's vertical in the picture), cut back the adjacent joists (horizontal) a few ...
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0answers
63 views

Rim joists sitting on top of notched post

My older deck doesn’t have a beam. Instead, the rim joist is attached to the 4x4 posts, most of which are notched and serve as both support for the rim joist and continue up as railing posts. I ...
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4answers
6k views

How can I safely replace a light fixture above a stairwell?

In my 1911 home, there is a stairwell that has a 180 degree turn with a landing, and there is a light fixture directly overhead (centered over the railing) that I would like to replace with a pendant ...
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1answer
609 views

Electrician connected LED dimmer to halogen bulbs, worried about safety

An electrician replaced a rotary dimmer with another one that is rated for LED GU10 bulbs. The six existing halogen bulbs connected to the dimmer weren't replaced however. The electrician said that ...
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3answers
105 views

What are the safety concerns in running low voltage wire to LEDs behind a wall?

I've been using some fairly cheap 22AWG wire for running between flexible LED strips and their transformers. Some 24V some 12V, but all well below the amperage rating for this gauge. The wire says it'...
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2answers
88 views

What is the best method and tool to detect harmful non-carbon-monoixde gases?

I recently cleaned my home's air filters and discovered a significant increase in well-being. Previously, staying at home during the weekend for more than 1-2 hours resulted in fatigue and dizziness, ...
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2answers
98 views

Is it normal for GFI test button to trip GFI when the circuit is dead?

My welder has been tripping the GFI on the circuit in the garage after I have been using it a while. I finally took the cover off and discovered the electrician saved himself, what? $2 and used a ...
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4answers
12k views

Fence post hole near utility lines, digging advice

I am looking for advice on how to go about digging fence post holes 42 inches down (to exceed 40 inch frost line) safely.and properly. I was told that I must manually dig the hole within 18 inches ...
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1answer
112 views

Shelving units anchored to drywall and metal studs - Load Bearing and Safety Concerns

We are interested in purchasing a residence that has a workshop attached to it. The owner has erected metal shelving units like those shown in the attached photos. The shelving units are anchored to ...
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3answers
2k views

Why does NEC require circuit breaker locks only on hard-wired appliance circuits?

The National Electric Code (NEC) Section 422.30 requires "permanently connected appliances" to have "lockable" disconnects, so that power can be reliably cut to the appliance when it is serviced. ...
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4answers
5k views

Why don't bookshelves come with wall mounting screws included?

I was assembling an IKEA bookshelf, and one of the most important steps to ensure safety is the installation of the L-bracket to secure the bookshelf to the wall. All the parts, including the bracket ...
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2answers
363 views

What kind of glove offers the best protection when using an angle grinder?

I wanted to start doing metalworking for a long time and I finally got an angle grinder of 4 1\2". I also bought the appropriate safety equipment face shield, some safety glasses and I'm planning ...
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0answers
21 views

Propane and septic pipes

Is it safe to have a propane line (within a PVC conduit) cross a septic pipe (house to septic tank) underground?
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7answers
113 views

Should twisted wire joints to 5 kW water heater be soldered?

Say I'm connecting a water heater (~5kW) to the mains and I need to make a joint, not just replace the cable with a longer one. Considering the high power consumption, would soldering the joint help ...
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2answers
7k views

Does converting a non-polarized plug to a polarized one actually make the appliance safer?

I bought an amazing vintage clock, but have some anxiety about using it, since it's quite old. Some pictures for reference: I would like to re-wire the clock with a newer cord, as the old one has ...
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2answers
1k views

Gas Fireplace: Is mesh screen panel in front of the glass necessary?

Our 10 year old gas fireplace looks so much nicer without the wire mesh screen, just the glass front. The glass seals to the face with 4 spring loaded clamps on the corners, and rope 'caulk'. Is the ...
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1answer
51 views

Is it safe to use dishes that have had turpentine on them?

A rag that had turpentine on it was rinsed off in my kitchen sink that had dishes in it. If I wash the dishes with soap and water will they be safe to use? Should I just throw out the dishes? I don’t ...
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3answers
1k views

How to demolish old stone walls safely?

We are renovating an old property in France where three walls of an old stone schoolhouse (10ish meters high I'm guessing, maybe more in some places) sit adjacent to the more recent house (1950s). We ...
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5answers
12k views

Is it safe to remove the bottom chords of a series of garage roof trusses?

See attached picture. Looks like an 8x10 cut-out. He wants to lift cars up so he can walk under them. Is this safe? Doesn't removing the joists affect structural integrity?

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