Questions tagged [safety]

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

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2answers
2k views

Is it safe to wire a light junction box to a plug (which could then be plugged into a switch-controlled outlet)?

EDIT: I'm rephrasing the question, as it seems the original was unsafe. If I install a light box in the ceiling (both to mount the fixture to, and to make the connections between fixture wires and ...
2
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1answer
187 views

Correct hardware to attach to stud with this dresser anchor kit?

Background I bought a dresser and it came with this chain for anchoring the dresser to the wall. It did not come with the hardware that attaches to the stud. The dresser weighs maybe 125 lbs with ...
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1answer
168 views

Room by room finish after electrical rough-in?

We've just had our house (renovation project) re-wired with a first fix. There are two ring circuits for the sockets - one for the front room and one for the rest of the house and a lighting circuit. ...
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1answer
89 views

Breakfast bar. How should it have been done?

We have just moved in a new apartment. It's a rental but it's a new luxury condominium and nobody lived in this place before us. Today I noticed something weird in our kitchen. The breakfast bar is ...
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1answer
118 views

How to remove this tree from my yard

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 ...
2
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1answer
1k views

Chemical drain cleaning - acid, base or something else?

There are industrial drain cleaners but according to my research on them, they are mostly overpriced bottles of simple chemicals such as sodium hydroxide. Chemicals that can (theoretically) be used ...
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3answers
553 views

What options are there for door stops away from a wall?

I have a number of doors in different situations where opening the door fully will hit various things, in all cases I don't have a wall behind the door to fix a normal stop to. The only solution I ...
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2answers
6k views

Is exposed Roxul insulation safe?

My basement is not occupied and I would like to put Roxul insulation against the windows so it adds a bit more insulation in the winter. The material I plan to use is Roxul, my question is would it be ...
2
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3answers
798 views

How can NEMA electric plug be safe ?

I'm quite scared every time I have to use NEMA plugs (I live in Japan). Coming from europe, the bottom of the two connectors is insulated This ensure that even if you touch them while plugging/...
2
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1answer
86 views

Air Quality Concern in Apartment

I just moved to a new, old apartment. At first I did not notice anything, however I am now smelling an old, greasy, cigarette sort of smell in the kitchen near the stove and stove vent. I understand ...
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4answers
527 views

How can I prevent unpleasant smells and organisms in our water tank?

There is an 8000 liter water tank on top of my house which provides water for the house. Bacteria, fungi, algae, etc. often start developing in the tank, giving unpleasant smells, etc. The water is ...
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1answer
1k views

Is it safe to put a window a/c unit over kitchen sink window?

Pretty self explanatory. I have a small window unit that would fit right over my kitchen sink window. About 2.25' of clearance above the counter top. Just thinking being near a water source may be ...
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4answers
7k views

How to (safely) retract and lower a 40' extension ladder?

Last time I was using a 40' extension ladder, it was a major challenge to retract it back from being extended and up against a wall. There were two of us and it was seriously scary. Could have gone ...
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2answers
221 views

Is it legit to use this disconnect this way

This is more an expert question for the senior users here, i.e., licensed or former electrician, and/or engineer. I want to replace a rusted out sub panel that feeds 3 circuits at a residential dock ...
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1answer
54 views

Where can I find Material Safety Data Sheets (MSDS's)?

Are there government websites where I can view MSDS's? Or do I need to go to the manufacturer's website or make a request to the manufacturer for the MSDS's?
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2answers
420 views

Is an Ionizer Air Purifier effective against birch pollen?

I spot an Ionizer Air Purifier Air Cleaner Air Ionizer and I want to understand whether it could help to alleviate symptoms due to birch pollen particles such as itching, tiredness and shortness of ...
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3answers
16k views

When doing electrical work, what do I use to check wires are safe?

If I am thinking of replacing a light switch, a light-fitting, a socket/outlet or doing other work with household wiring where there may be 120 Volts or 240 volts present ... There is already a ...
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2answers
10k views

Is insulation around a dryer vent hose safe?

I live in an old apartment which does not have laundry, or even laundry hookups. Since I despise laundromats, I took it upon myself to get a portable washer which connects to a sink, and a portable ...
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2answers
251 views

Building home on slab foundation on lot above natural spring

We are towards the end of costruction on a new home in rural northeast georgia on a flat lot(slight slope towards the street) and as the electric company started digging to place the final wires they ...
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3answers
124 views

How should I end this wiring?

I am doing a minor reno in a new house. I took out a wall and in it was two strands of 12-2 that went to one outlet. That wiring will not be used anymore, I don't want to splice into them or run ...
2
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1answer
62 views

Is it safe to plant shrubs or flowers in the soil above my septic tank?

I have a septic system that has a tank underneath my front lawn. This is an eye-sore as the access points are clearly visible to anyone coming down our driveway. I would like to plant some shrubs/...
2
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3answers
710 views

Are these blue spots on stove coil cups poisonous Verdigris?

I live in the USA and have one of these stoves: For me who comes from Europe, the design of these stove tops always baffles me compared to flat (metal or glass) stove tops seen across Europe (it ...
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0answers
165 views

Why are water heaters generally installed on a pedestal? [duplicate]

Why are tank-style water heaters generally installed on a 2-3 foot (~0.6-0.7 meter) tall pedestal?
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2answers
859 views

What is the purpose of a GFI outlet tripping on low voltage?

As I went looking for a replacement for a GFI wall outlet, I noticed that the advertised features of one outlet included "low voltage trip" – that is, the GFI will trip not only when a ground fault is ...
0
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1answer
99 views

Can I salvage aluminized roofing paint

Through impatience, I failed to adequately mix a 5-gallon bucket of aluminized roofing paint before I hauled it up the ladder and painted my roof. Now, I am left with a huge wad of putty like ...
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2answers
407 views

Does my furnace's air filter do anything at all?

Our house seems very dusty. The tops of bookshelves, computer screens, etc seem to accumulate a thin film of dust just a few days after cleaning. Certain other co-inhabitants of my house have ...
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1answer
406 views

Best room for egress window?

I have a basement with a partially finished bedroom (currently used as storage) on one side, a gas furnace and tankless water heater at the foot of the staircase in the middle, and a newly finished ...
10
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1answer
8k views

False positive from a non-contact voltage tester?

I'm replacing a 240-volt split-phase electric baseboard heater. I've shut the power off at both the thermostat and the breaker box. Testing the wires with a non-contact voltage tester shows an ...
2
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1answer
404 views

Likelyhood of lead paint in 1970s build UK

I'm currently stripping some horrible old anaglypta wallpaper and noticed that under the lining paper there is a bright yellow paint underneath. Some of it is coming away, most of it is not and I'm ...
2
votes
2answers
277 views

Is this flue dangerous?

I had access to a ladder the other day, so naturally I was poking around in the attic of our house where we have lived for about a year. Above the closet where the furnace and water heater are located,...
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1answer
9k views

Safe location rules for bathroom sink receptacle and light switch

Bathroom sink with mirror & vanity light. Presently, the vanity light switch and single receptacle are separate from each other and in awkward locations. I intend to put them together in a single ...
3
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2answers
371 views

Should threaded pipe be torqued to spec?

Most, if not all threaded automotive fasteners have specified torque, which is ensured by using torque wrenches. But how about threaded pipe, galvanized steel for water or black pipe for gas, ...
3
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1answer
144 views

Correct way to attach outlet wall plate?

I have been replacing the outlets in my house with Tamper Resistant outlets. On some of the replaced receptacles, the plate does not tightly attach to the wall—it can be pried back by my fingers. (I ...
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1answer
997 views

Ladder is warped; how much is too much?

I recently bought a 28' fiberglass extension ladder (big-name brand from the blue box store), but I found that it's a bit warped. When I lean it against the house, with both feet firmly planted and ...
4
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4answers
10k views

Is there long-term off-gassing from polyurethane closed-cell spray foam insulation?

We already installed Quadfoam 2.0, a "two-component, 2 lb., closed cell, spray applied, rigid polyurethane foam system" under the roof of our house, between the rafters. We read the manufacturers ...
4
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2answers
1k views

What is the *interrupting rating* of a GFCI receptacle?

Say, we have a UL943 compliant 15A GFCI receptacle on a garden-variety 15A grounded branch circuit. Some nitwit comes along and wirenuts the receptacle's load-side hot to the branch circuit ground, ...
25
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4answers
3k views

How can it be dangerous to feed a water heater from two separate panels?

In a recent question, a user asked "Can a water heater be installed between two apartments and wired to both apartments' breaker boxes, effectively splitting the bill between the two?". One of the ...
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10answers
15k views

Why is a steel security door safe if they can break the glass, slide their hand in, and unlock the door?

OK I had a hard time thinking of a good title but here's the gist of the problem/concern I have which I can't find an answer to anywhere online. Please note that this is a very specific but common ...
2
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0answers
359 views

Is Purebond the only formaldehyde-free plywood? [closed]

I have a few small projects need to use plywood. My concern is that most of plywoods contain formaldehyde. I heard Purebond is formaldehyde free. what are the pros and cons of Purebond? Is there any ...
0
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1answer
69 views

Is this bell circuit safe?

I have an old-fashioned doorbell (like this one: https://upload.wikimedia.org/wikipedia/commons/c/c1/DoorBell_001.jpg) Is it safe to connect it directly to a power supply (I am using a ac/dc ...
4
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3answers
15k views

Changing fluorescent tube: how many degrees to turn?

I have a broken fluorescent tube (housing is intact, but it flickers instead of lighting up properly) that I have to change (bottommost type in the image). I can turn it about 20 degrees, but it ...
2
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4answers
25k views

How safe is it to plug in an extension cord that has a missing ground pin in to a GFCI outlet?

I know it will still provide power and such but what are the potential safety hazards?
3
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1answer
265 views

Splitting maul handle cracked… is it still usable?

I was splitting logs for firewood today, and must have swung wrong, because the outer shell of the fiberglass handle on my maul shattered. Although the core of the handle appears intact, and the head ...
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3answers
565 views

Paint thinner can leaking

I hope this is the right place to ask. I noticed earlier tonight I had a very old can of paint thinner that is now leaking. There isn't very much paint thinner left in it but I went ahead and put it ...
4
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4answers
2k views

How can I safely sand a small, thin item with a belt/disc sander?

I have small, thin items measuring roughly 4"x2" with a depth of only .33". I need to sand the back of them down evenly, and have been using a belt sander to do so. However, I'm a little nervous about ...
2
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1answer
104 views

In a solidly grounded wye service, is an open neutral an emergency?

Open neutrals in 120/240V North American split phase services are considered an emergency due to the fire and equipment damage hazard unbalanced legs pose. However, there are residential buildings (...
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1answer
348 views

Starting to build up my tools collection, is 110v preferable over 240v?

I am just starting out on my first major project this weekend and I am looking at getting some new tools. I've had experience using plenty of 240v power tools, but now that I am looking at getting my ...
19
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4answers
36k views

Safe/professional way to transport lumber with just a roof rack

I'm doing some home improvement, and have the necessary skills, tools, etc, for the job. There is one thing I'm lacking: a large pickup truck for transporting lumber. A buddy of mine used to have one, ...
3
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1answer
147 views

Is surface-mounted cabling on my basement ceiling a threat to my safety?

I am concerned about a wiring issue in a basement of a home I will be moving to. Someone put paneling on the ceiling and the wiring is stapled to the paneling and some of the wires are bundled ...
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1answer
488 views

Do I need to seal / moisture-proof an outdoor plug?

I have an outdoor plug socket (UK) in my garden that is ip66 sealed (basically the plug is inside a box that you can open and close). I intend to use this plug for a hot tub in our garden, but there ...