Questions tagged [safety]

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

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1answer
80 views

Is duct tape okay to use for insulating very small, low current wires?

I'm currently in isolation due to covid, so I can't go out to get electrical tape. My keyboard's sustain pedal wires (~1 mm diameter) got cut, so I was planning on splicing them (no solder) and ...
3
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2answers
580 views

Is it safe to be in insulated attic

Is it safe for me to be in an attic with this type of insulation without a mask? I have found myself coughing whilst laying floor boards and I’m not sure whether that is general dust or something to ...
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3answers
182 views

Wall outlet in house are burnt in wall

Wall outlet in house are burnt in wall. How do I fix it?
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2answers
343 views

Can a wood fireplace be completely open without any boundaries and just a chimney?

I usually see fireplaces that are open only on one side. This would be a standard example: https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/fireplace-with-fire-burning-royalty-free-image-...
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1answer
56 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 ...
2
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3answers
306 views

Extension Cords - Electrical Hazards & Safety

We are looking at purchasing a Residence that has a Home Office Area attached to it. It is Commercially zoned in a Canadian Province. Upon doing a walk through, we noticed an extension cord layout ...
2
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2answers
74 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 ...
5
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2answers
215 views

What are the drawbacks of using a GFCI instead of a proper ground wire?

I notice that it is considered up to code to install a GFCI in the absence of a proper ground, but that it must be labeled (link). Why is this? Does the GFCI have some drawbacks compared to a proper ...
1
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1answer
75 views

What is a good material to block all light from a window with?

Blackout curtains have always disappointed me because they let in far too much light. Both through the fabric itself, and around the edges. I would like to create a window covering for my bedroom ...
1
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1answer
31 views

Respirator or mask for brick (crystalline silica) and mold?

I'm looking for a simple safety solution for multiple small projects that keep coming up. But it's not clear what safety mask and filters to buy. For example, I read an article that states that I ...
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2answers
39 views

Process of removing mold from behind shower tile

Background Thanks to a shifting foundation, the tile in one of our showers cracked along a corner and water got in behind it. We know that at the least the wall behind the tile has fails as it caved ...
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3answers
171 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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5answers
475 views

Can I use a 2-wire NM cable staple on 3-wire cable?

I have a package of Gardner 1/2 inch staples and the package shows that they are good for 2-wire, see below: I am running some 14/3 wire (flat) wire for AC hardwired smoke detectors but these staples ...
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3answers
591 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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2answers
120 views

Does having metal safe increase chances of burglary at home

One of my friends brought a metal safe recently. However he is also worried that burglars somehow know about existence of such safe on house ( either through metal detectors or some other means ). ...
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3answers
1k views

GFCI vs. 40v 5ah battery for water safety

My wife has recently taken to running a cord out near our pool to watch TV. She's very careful, but I was thinking of doing what I can to make it safer, since the outlet in question is NOT a GFCI ...
2
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2answers
74 views

I broke a CFL lightbulb while unscrewing it, do I need to throw away the clothes I was wearing? [closed]

I was unscrewing a compact fluorescent lightbulb this morning and it broke while it was unscrewing it. A few chunks of glass showered down, but the entire bulb didn't shatter; ultimately a few chunks ...
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0answers
69 views

Attaching a ground wire to a prong that plugs into an outlet adapter

The outlet shown in the image below doesn't have a ground wire connecting to its receptacle. A friend of mine is helping me setup a ups that requires ground wire, however what he did was run a ground ...
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1answer
103 views

Is this wiring safe [duplicate]

The wall box is from the mid-1950's and my multimeter shows that it is grounded. There are a solid 120 volts when testing between live and ground. I noticed a bare copper wire coming from the cloth ...
14
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1answer
2k views

Is this box bonded properly to the ground?

The receptacle is from the mid-1950's and my multimeter shows that it is grounded. There are a solid 120 volts when testing between live and ground. I noticed a bare copper wire coming from the cloth ...
1
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2answers
84 views

Wiring problem on 4 gang metal light switch

I'm concerned with the current wiring of a bedroom light switch box (4 gang, metal box with 4 on/off toggle switches). Based on the Wiring Diagram included in the post: I believe the ground wires ...
2
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2answers
164 views

Does it violate US wiring code to have non-standard outlets?

Note: this is entirely theoretical. I have no (current) plans to actually do this. Would I violate any state/national building/electrical codes if I installed BS 1363 (UK plug/socket) sockets on a ...
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3answers
126 views

Ground fault interruption in a dryer with ground bonded to neutral?

I've posted this issue elsewhere and maybe because it's so boring nobody wants to expend the energy on it (which is fine!) but for me the motivation is 50/50 safety and learning more about electronics ...
6
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3answers
710 views

Replacing a power outlet safely

I want to replace some power outlets in my condo with ones that have built-in USB ports. The condo was built in 2008. My thinking is I can simply turn off the breaker for those outlets and get to ...
2
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2answers
269 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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2answers
102 views

What can be done to mitigate risk to property from large trees other than removal?

There are 3 oak trees that need to be removed as they pose risks to personal safety and property during windstorm. The last windstorm (dec. 2019, AK) produced 120 m/h gusts. The quote is $6k due to ...
3
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2answers
336 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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1answer
26 views

Halogen Light Fixture with Broken prong

Halogen light bulb prong broke off in fixture and can not be removed. I inserted another bulb with prong in the socket and left other prong out. The light is now working; however, I need to know if ...
5
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5answers
2k views

Why would a metal file have a cancer warning?

Every metal file at the hardware store bears a California Prop. 65 warning on the label. What could possibly be the cancer-causing agent in a solid metal file?
0
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1answer
75 views

Can I run a propane generator under my house?

I recently bought a propane generator to use during the periodic blackouts we get in California now. I have a large crawlspace underneath my home and it would be fairly easy for me to place it down ...
0
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1answer
28 views

My gas water heater's T&P relief valve is leaking. Can I safely close the heater's supply valve & leave the gas on?

My gas water heater's pressure relief valve isn't sealing and releases ~3 gallons of water per hour outside the house. I'd like to shut the heater's water feed line OFF until I can buy and install a ...
1
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3answers
417 views

Safe, sensible to turn off BRANCH circuit breaker for range, every day when house is empty?

After one oven turned itself on middle night, everyone in my family is now scared stiff silly of ranges!!! We always turn off all Branch Circuit Breakers ("BCB") except for fridge, before we leave ...
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1answer
52 views

Lampshade With Dimmer Causing Electric Shock?

I bought a lampshade from a market. I live in a country with 220V supply. It gave me an electric shock when I touched the dimmer control while plugged in, but I'm not sure if it was a static shock. ...
7
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4answers
3k views

Circuit breaker door shocked me. Static?

I was switching through breakers to isolate outlets. I had the panel door open, stepped away, and when I walked back to touch the panel's DOOR, I got a static-like shock on my finger. I was wearing ...
0
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1answer
76 views

Reusing ADT motion sensors

I bought a 4 level house that had an ADT security system with a motion sensor in every room. I never used it since moving in. But I have a fun project in mind: I'd like to drive my kids nuts when ...
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2answers
41 views

Food safe varnish or paint

I'm making a set of drawers that will be used to store food. I'm using plywood and to seal it and make it easier to clean I'd like to use either varnish or if that's not possible, paint. Is there a ...
1
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1answer
47 views

Safety concerns and precautions in setting up a workshop/studio in the utility room

I am considering setting up a workspace/studio in my utility room in the basement, which has a hot water tank and two furnaces. Here are the warnings on those units. Hot water tank: Furnaces: I ...
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3answers
68 views

Disposal container for muriatic acid

I need to do work with muriatic acid and was wondering if storing the waste (12 Oz of acid per gallon of water) is okay to do in a regular plastic 5 gal bucket. My concern is whether the acid could ...
2
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3answers
207 views

Is wiring laying alongside an attic access opening a code violation or safety concern?

I have a new house nearing completion in Manning, South Carolina, with all non-metallic jacket wire. However, the scuttle holes for two retractable stairs and attic lift had wires blocking access ...
1
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3answers
146 views

How should I disconnect my gas stove?

We want to replace our natural gas stove with an electric stove. I've never worked with gas lines before, and the installers who will deliver the electric stove won't disconnect the gas stove for us. ...
1
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2answers
114 views

Help me understand this power strip installation

I moved into a flat which has the following electrical setup in the kitchen: Regular looking 4-socket power strip Combi boiler plugged into power strip Washing machine plugged into power strip Front ...
2
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3answers
200 views

Is it a concern that 120v cables hang down from the ceiling in my crawl space?

Recently went in my crawlspace to fix some plumbing issues and noticed that all the electrical seems to be just hanging, with some on the ground. I'm fairly certain that this is nowhere close to code, ...
28
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7answers
8k views

Why is my fire extinguisher emptied after one use?

I'm planning to make a small DIY gas tank and I saw people using old or used fire extinguishers but I don't understand why my fire extinguisher can't hold pressure after one use. I have this fire ...
1
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4answers
312 views

How to safely unplug an outdoor extension cord that got wet?

I plugged a indoor floor lamp outside using an indoor extension cord not realizing it was going to rain (i know - stupid!). Now I am afraid to unplug it, as everything is wet. What can I do to ...
29
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5answers
6k 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?
1
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3answers
121 views

Electrical wiring capped with wire connectors exposed to weather: bad idea?

I noticed what appears to be electrical wiring exposed at the peak of the gable end of our office. I don't have any way to know if there's current flowing to those wires. Is that a problem? I ...
0
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1answer
98 views

How much lead abatement is necessary to reach safe levels?

I'd like to buy an older home (I live in CT), but with 2 little kids, I'm worried about lead. The confounding issue is that our real estate agent strongly discourages us from doing lead testing for ...
2
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2answers
848 views

Can I safely install outlets in my basement?

My house has an unfinished basement, and I want to set up a workbench in one area. Unfortunately, there is only one usable outlet in the whole basement, and it's not conveniently located, so I want to ...
0
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2answers
74 views

Is it safe to touch wire testing at low to medium voltage on a 14 or 12 gauge wire, 15 or 20 amp (current) circuit?

Title is the question. I'm using a Klein NCVT- 3 Voltage tester with a bar graph indicating voltage, and don't see anything in the instructions, and haven't ran across anything in a textbook or ...
0
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1answer
31 views

Safest way to mount Bench Grinder

I have very little room to work with and have decided some things I am going to end up sticking where there is room, but would it be any less safe, if suppose I wanted it on a stand alone platform ...

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