Linked Questions

26
votes
4answers
142k views

Should all Federal Pacific panels be replaced?

I understand that Federal Panel Stab Lok breakers have the potential for becoming stuck, overheating, and starting fires. My home has a Federal Pacific panel but no outward markings of being a Stab ...
6
votes
4answers
64k 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 ...
12
votes
3answers
2k views

What is “knob and tube wiring”?

I assume this is some USA wiring system, am I right?
7
votes
4answers
32k 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
28k 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 ...
12
votes
2answers
12k 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 ...
9
votes
5answers
23k 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 ...
4
votes
2answers
13k 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 & ...
11
votes
1answer
20k 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 ...
2
votes
2answers
14k 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 ...
0
votes
4answers
16k 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 ...
5
votes
5answers
3k 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
2answers
6k 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, ...
2
votes
3answers
1k 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
3k views

what 2017 NEC code talks about knob and tube replacement

Have an insurance job and the home owner wants to redo the 1st floor apartment. The apartment is wired with knob and tube so I recommended it needed to be updated. When pitched to the insurance ...

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