Linked Questions

12
votes
3answers
2k views

What is “knob and tube wiring”?

I assume this is some USA wiring system, am I right?
5
votes
4answers
45k views

How can I attach modern fixture to knob & tube wiring?

I have a modern external light fixture that needs to be attached to an existing exterior electrical 'box'. The older parts of the house have knob & tube wiring and there is evidence of gas ...
7
votes
4answers
23k views

Can I replace an outlet that uses knob and tube wiring with a grounded outlet?

Can I replace an outlet that uses knob and tube wiring with a grounded outlet? Obviously the best choice would be to replace the old wiring. Is there a standard way to ground these outlets? Do I need ...
7
votes
2answers
26k views

Is it unsafe if some three prong outlets don't properly test as grounded?

It's me again -- the pest ;-) On the general inspection report for the house we're looking at buying, there's a note about the house's electrical: Some three prong outlets did not test properly ...
9
votes
5answers
16k views

Should I use a GFCI or AFCI circuit breaker with knob and tube wiring?

My American house was built in 1942, and much of the wiring is still knob-and-tube wiring (2-wire, no ground). Over the years new modern wiring has been added to the house, but we still have some KnT ...
12
votes
2answers
9k views

Can disconnected knob-and-tube wiring be left in place?

The house I recently bought (over 100 years old) has had almost all of its wiring replaced with a new elctrical board. However, in two cases the new wiring has been connected to existing knob-and-tube ...
11
votes
1answer
18k views

Is it “normal” for a vacuum cleaner to trigger an arc fault breaker?

We recently had our main electric service panel upgraded (from a 50 year old 100 AMP panel to a 200 AMP panel). As part of the upgrade, the electrician installed an arc fault breaker on the bedroom ...
3
votes
2answers
10k views

Is it safe to put insulation next to knob & tube wiring?

I have a room that has some really ugly cheap panelling on the walls. I want to rip it out & replace with drywall. While I'm at it, I'd like to add soundproofing insulation between rooms & ...
2
votes
2answers
12k views

Wiring diagram to split one circuit for ceiling lights in multiple rooms?

I would like to replace some Knob & Tube wiring in my attic. Currently, the ceiling lights in most of our rooms are all on a single circuit and are branched using many knob & tube soldered ...
2
votes
2answers
4k views

Japanese Appliance has a Green/Yellow Ground Wire coming out of it, What should I do?

So I recently purchased a Japanese Toiletseat thing (I can't read japanese but I've just been translating little by little), and it has a ground wire (a green/yellow wire) Coming out of the back, ...
0
votes
4answers
8k views

Mount Ceiling Fan to Old Junction Box?

Is there anyway to safely mount a ceiling fan to this type of older ceiling junction box (see the photos)? I rent an old 1920's built house where an old hanging light fixture junction box was covered ...
4
votes
4answers
2k views

Box in knob and tube wiring between ceiling and cellulose?

I know that code says no cellulose insulation with knob and tube wiring because of possible heat build up. I also know that evidence of it causing fires because of this is scarce and a few states ...
2
votes
3answers
551 views

Knob and Tube Wiring with AFCI

We have a rental house that still has some knob and tube wiring. We did not know about the knob and tube wiring when we bought the house 18 years ago. We didn't know such a thing existed but remember ...
0
votes
2answers
1k views

How can I reduce the humidity in my home?

Moisture inside my home fills up moisture bucket within a month, and the furniture and anything on the ground has green mildew/mold growing. When the humidity is high the tile floors on the screened ...
0
votes
3answers
427 views

Electric outlet only has 2 wires and no power, how to replace?

I am wondering how I am going to replace this outlet. It is dead as I've tested for power and got nothing. It has 2 wires only. Please help, TY.

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