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

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3
votes
1answer
66 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 ...
7
votes
2answers
2k views

Why is my light switch leaking electricity?

I have a home built in 1950 and a laundry room added sometime in the unknown future. There is a light switch that seems to be emitting electricity according to my Fluke voltage tester. I noticed it ...
15
votes
6answers
10k views

Which tools should not be operated while wearing gloves?

Does anyone know of any safety organization like OSHA that gives a list of tools that should not be operated while wearing gloves? It has always been my understanding that a person should not wear ...
5
votes
2answers
122 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, ...
23
votes
4answers
2k 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 ...
0
votes
1answer
40 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
votes
3answers
529 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 ...
5
votes
4answers
638 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 ...
3
votes
3answers
554 views
3
votes
1answer
74 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 ...
0
votes
1answer
1k views

Is it okay to use brass inserts in a plastic reverse osmosis pipe?

I've learned that letting metal contact reverse osmosis filtered water is generally a bad idea as it corrodes the metals and leaches them into the clean water supply. However, I'm having a hard ...
0
votes
0answers
63 views

Can a furnace safety limit switch with manual reset be changed out with an auto reset switch?

I have a Ruud natural gas furnace from 1987. Overall it works well. I've had my home warranty service send out an HVAC tech a couple times for the high limit switch needing to be reset. It's a manual ...
2
votes
1answer
52 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 (...
9
votes
4answers
7k views

Can a stove be beneath a window

I'm upgrading my kitchen and after endless deliberating, feel that the kitchen is best laid out having the stove directly beneath a window (the window is about 8" above the stove). I was wondering ...
4
votes
1answer
135 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 ...
0
votes
1answer
129 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 ...
15
votes
4answers
5k 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, ...
1
vote
2answers
121 views

Can I use a 2x6 beam stretched across a few of these roof rafters to support a hammock?

I want to hang a large hammock in my reading room. It used to be an open-air carport structure and so the construction is fairly lightweight. Here're some pictures of the ceiling/roof in question pre-...
1
vote
1answer
91 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 ...
5
votes
4answers
3k views

What protection is needed to access the crawlspace under the house?

We have a crawlspace about 2 feet tall under the house. (Scary!) Looks like it has a black plastic barrier on the ground (which I believe is just dirt). How should one dress to crawl under there, and ...
1
vote
3answers
125 views

Is it safe to mix LEDs and incandescents in a chandelier?

I've been having an issue for a while now where my chandelier light fixture installed with six Cree 60W LED replacement bulbs flickers when I raise my traditional dimmer to max brightness. As I ...
1
vote
1answer
63 views

How safe are flammables as indoor cleaners?

I just cleaned some range hood duct with Seafoam. I was wondering how long after initial application things like it or rubbing alcohol remain active on the surface to present a fire hazard. How do you ...
0
votes
4answers
136 views

How to strip sheath off outdoor cable?

I am looking for a way to remove the protective sheath from a length of multicore mains electrical cable. It's rated for outdoor use and is VERY strong. Without butchering my fingers; trying to fine ...
5
votes
1answer
5k views

Does washing reduce asbestos?

So I was doing some work in the garage a few months ago and dislodged about a lemon size chunk of what at the time I thought was just some old concrete which fell on me and left some dust on a ...
2
votes
1answer
72 views

What kind of eye protection would I need for this particular spot welding system?

First of all, if this is the wrong StackExchange site for this question, I'm sorry. (If someone could point me to the right one, please do so!) So in this DIY YouTube video, the person makes some ...
17
votes
6answers
51k views

Extension cord and power strip safety

I've heard that there are some safety and building code issues involved with using extension cords or power strips (surge protectors) for anything other than temporary use. What are the issues, and ...
2
votes
2answers
76 views

Electric Guitar at an outdoor show - Grounding issues?

I play electric guitar and today I had an experience where the guitar would give very slight tingling sensations - I wouldn't quite call any of them a bad shock because none of them really hurt badly, ...
0
votes
3answers
239 views

Light bulb socket cover

Where can I get a light bulb socket cover for my never used outside flood light sockets? I don't use the light fixture, the flood lamps are too heavy to keep in the sockets as the fixture comes ...
1
vote
4answers
104 views

Is it safe to encapsulate lead shot with epoxy?

I hope this is the right SE for this question. If not please point me in a better direction. I'm working on a project that requires a counterweight in a tight/organic space. I'm trying to maximize ...
1
vote
1answer
500 views

How can I safely connect a subpanel in a detached garage to the main with a 3-wire connection?

This weekend I attempted to install a breaker box into a pre-wired garage. The previous owners took the breaker box with them when they moved, and since I have installed quite a few subpanels, it ...
1
vote
0answers
61 views

Is this main box outdated and needs upgrade?

This house is 1970's built (UK) but not sure when the electrical wiring were done. The main box looks like in the attached picture. It seems it has only fuse boxes in it... and does not have any MCB, ...
0
votes
4answers
813 views

Using indoor-only Xmas lights — in the outdoors, where they'll get wet

Imagine that you bought a few strings of incandescent Xmas lights. They are rated for indoor use only. The tag says not to use them outdoors. They aren't any cheaper than the outdoor-rated lights ...
2
votes
2answers
3k views

Replacing hardwired fire alarms with 10 year sealed alarms

My house was built in 2004 and came with fire alarms pre-installed and hardwired. The alarms also use a 9V battery backup, so we have to replace the batteries regularly (not an easy task with 9 ft ...
0
votes
2answers
489 views

Do paint fumes affect electronics?

I'm planning on painting a home office but I don't want to have to move all my equipment out of the room. If I keep my equipment inside and move it all to the center of the room will the fumes affect ...
4
votes
1answer
5k views

What glass for an interior, mainly glass, wall?

We would like to install a small interior wall (say 3m long) with a wooden door. We want to make it out of large wooden beams with glass between them (there is already one such wall in the house, and ...
2
votes
3answers
4k views

Properly venting a gas water heater

Ahh, the joys of an old house. The former owners of my house did some funky stuff with venting the water heater. Let me explain: the water heater is in the basement there is a 3 in single walled ...
3
votes
1answer
105 views

If a Drill's Clutch doesn't properly align the gears, can it cause the Chuck to loosen?

So I was using my hammer drill to drill into some masonry when I ended up hitting the clutch to a lower setting. When this happened, the trigger remained pulled for a moment, but the bit nor the chuck ...
5
votes
2answers
222 views

Potential Home Grounding Issue - Illinois

I recently bought a new manufactured home. There are instances where people have touched the front door and received an electric shock. Using a non-contact voltage detector, I confirmed that there ...
5
votes
3answers
37k views

Why did I feel an electric current when touching my light switch?

While reaching behind a desk in my office, I leaned against the wall and felt a pinch on my shoulder. I realized I was leaning on the lower screw of the light switch and thought it had a metal burr or ...
1
vote
1answer
107 views

How should I dispose of Sulfuric Acid?

I have about 30 ml of leftover Sulfuric acid. There is a similar thread on this board suggesting ways to dispose of it. They involve adding baking soda after adding the sulfuric acid to water. However,...
2
votes
1answer
122 views

Is this consumer unit wired safely?

Each of the two devices with yellow test buttons are marked '63A'. My assumptions: The set of devices to the left of each of these are connected to them The markings on each device in the form BNN ...
2
votes
3answers
6k views

Any recommendations for smoke detectors with wireless remote alarms?

I would like to put a smoke detector in my attached garage and barn, with a wireless/remote signal with a a receiver inside the house. So far I have found this one I am assuming that with that ...
0
votes
0answers
20 views

What load rating for securing bookcases/cabinets with anchors?

I have two full-height bookcases that I want to anchor to a concrete wall. Unfortunately I think I have only 3/4" max. embedment because of pipes, etc. I can only find two anchor options, a #6-3/4" ...
2
votes
1answer
2k views

Safety of 3-Way Lightbulb That Exceeds Max Wattage Only On Highest Setting

Can you safely use a 3-way bulb (50-100-150W) for a lamp that accepts a 100W bulb maximum? Is there any fire hazard involved?
1
vote
3answers
194 views

Protect from 3D Printer fumes [closed]

I'm planning to buy 3D Printer that can only print with ABS (Zortrax). I have a small child (3 months old) at my flat so I'm afraid that fumes can have negative impact on her health. What should I ...
0
votes
2answers
298 views

PVC piping for low-pressure air line?

I'm finding that I need more aeration for my aquaponics fish tanks than is practical to supply by buying small consumer-grade air pumps for each tank. Additionally, typical consumer pumps have issues ...
-1
votes
2answers
353 views

Safety with Dremel 8050 Rotary tool [closed]

As of July 6, 2015: Dremel model 8050 cordless Lithium Ion 8 V Rotary Tool has been pulled and is no longer available for purchase at Lowes, Home Depot, or Amazon. Dremel Customer service advises "do ...
0
votes
1answer
43 views

Strength of steel tube

What is the minimum size rectangle steel tube needed to lift 500 lbs with the fulcrum in the middle of a seven foot tube? Assume a minimum of 1.5 inches outside dimensions, long side vertical. E.g:...
5
votes
2answers
236 views

Should I install tamper resistant receptacles

When changing out receptacles should I be installing tamper resistant receptacles? It seems that the 2008 NEC requires these devices to be installed for any new install, should I be installing them ...
4
votes
3answers
11k views

Can I use a cord and plug to power a wall sconce?

I have a wall sconce that my wife really likes and wants installed on an interior brick wall. The sconce she purchased is designed to sit on top of a wall box that has been prewired. I don't want to ...