Linked Questions

5 votes
2 answers
3k views

Do I really need to replace a Federal Pacific Electrical panel? [duplicate]

If just received an estimate from a recognized A/C installer. He said my FEDERAL Pacific Electrical panel had to be replaced before/during A/C install. Also had to upgrade water heater and furnace. Is ...
Jim d's user avatar
  • 51
49 votes
10 answers
70k views

Should old knob and tube wiring be replaced?

I have been doing some electrical work in my house and I noticed it has old knob and tube wiring that is still hot, should this be replaced as found or is it fine to just leave it? It seems really ...
Tester101's user avatar
  • 131k
7 votes
5 answers
3k views

Is short-circuiting a good way to test if a breaker is safe?

I am looking at the electrics in a house that a friend just bought, and it has one of the problematic "Stablok" Federal Pacific panels. Watching this video, made by a supposed master ...
RustyShackleford's user avatar
3 votes
4 answers
2k views

How to predict when the electrical infrastructure on my 1950s rental is going throw a breaker?

I live in an old house; it has old electrical infrastructure. Last night it was really hot, and we were running an external dishwasher on the same circuit as the TV and a fan and a ceiling fan. Only ...
leeand00's user avatar
  • 507
5 votes
2 answers
1k views

Where to land ground in main panel

If one were to add a new branch circuit to this panel and didn’t want to use metal conduit, where would you land your ground wire to? Would you need to add a grounding location to the panel?
Pahah's user avatar
  • 51
8 votes
3 answers
2k views

Federal Pacific 200a main panel problem with oversized 100a 2pole breaker

There is a 200a FPE breaker box (yes, I am aware of all the problems). It is not in the homeowners budget to replace at this time. He has 2 issues: His panel is full His electric furnace is an older ...
Danyael's user avatar
  • 81
8 votes
4 answers
5k views

Can my home's power supply handle this tankless water heater?

So my home was built in 1960 and 15-20 years later another room was added on. There are panel boxes everywhere ha. I have mapped it all out and isolated almost everything. Anything that is ...
Corbin Ringley's user avatar
2 votes
4 answers
2k views

Can I replace a 40A breaker with a 50A breaker?

I am changing a 40A 2-pole (240V) Federal Pacific Electric Co. circuit breaker but I can't find one. Can I use a 50A 2-pole? It's for a wall oven.
Rick Strom's user avatar
4 votes
2 answers
5k views

neutral bar is burnt

The neutral bar is burnt in the breaker box of my mobile home. The kids hooked up a small window cooler and ran it a couple months ago, by morning we woke up smelling wires burning. We traced it to ...
carol lee's user avatar
6 votes
1 answer
3k views

Breaker panel location next to sink. Is this okay?

This is in our garage. There’s a slop sink with a breaker panel close to it. Is this okay? I want to upgrade the panel so that I can install a charger for an electric car. Will the sink or the panel ...
milesmeow's user avatar
  • 4,982
5 votes
3 answers
2k views

Floating service panel ground

The main lug panel in my parents garage appears to have a floating ground. This is in Florida. Earlier today my father observed some sounds from the office. By the time I got there you could smell a ...
Stanwood's user avatar
  • 1,539
2 votes
2 answers
2k views

What can I do about a breaker that trips frequently on a Stab-Lok panel?

I have a 120V/20amp breaker that trips if I run a kettle boiler, toaster oven and microwave at the same time. The only other load on this circuit is a small computer/modem/wi-fi router running at < ...
Gaia's user avatar
  • 145
2 votes
2 answers
2k views

Do I have space in the main panel for a 60 amp double pole breaker?

Completing a workshop in the garage and I've installed a 60 amp sub panel in it for all the garage circuits. I plan on running 6/3 nmd from the main panel to this sub panel (a run of about 15 feet). ...
hhrahman's user avatar
0 votes
3 answers
2k views

Where to find main shut off switch for breaker

Where can I find the main shut off breaker It doesn’t let upload my picture but my breaker is small but doesn’t have main shut off and meter doesn’t have a switch either
Anthony Alvarez's user avatar
5 votes
2 answers
2k views

Voltage increase when connecting a large load to household circuit

So in the place I'm currently staying, they use an inline hot water heater1. This is a ~5500W, 50A beast2 that replaces the shower head and heats up the water as it comes out. Notably, even 5500W isn'...
BeeOnRope's user avatar
  • 181
1 vote
1 answer
1k views

Unsure about wiring in electrical box

My circuit box door says that Dryer and outside outlets are connected on breaker 13 and 14, uppon opening the box and retracing wires I found that Dryer wires are just dangling inside the box not ...
Marcel's user avatar
  • 11
3 votes
2 answers
615 views

Circuit breaker not accessible

My dryer stopped working and I found out that the circuit breaker (fuse) had burnt out. I measured the voltage in the socket and it's none. I live in an older house in USA and the cable is inside the ...
Grasper's user avatar
  • 434
0 votes
2 answers
1k views

Subpanel installation breaker size: is it big enough?

I have a 220v 15amp compressor and 220v 15amp pressure washer. I have an attached garage that doesn't have 220v service. My main panel is full. I've installed a sub panel in the garage. Feeding it I ...
Angus Sutherland's user avatar
2 votes
1 answer
242 views

What is this panel with two 30A breakers for?

I recently newly moved into an apartment in the west Bay Area, in California. Because I have an electric car & want to use L1 (120V 12A) charging, I took a look at the breaker panel to see what ...
Kevin Liu's user avatar
4 votes
1 answer
521 views

Are older Federal Electric breakers a fire hazard?

I live in an apartment with a very old circuit breaker box that looks like this: The panel's description says that it's from the Federal Electric Products Company, Catalog No. 116. According to this ...
Rafterman's user avatar
1 vote
2 answers
201 views

Need help to understand my electric panels and subpanels

I moved into this home few months ago in California (U.S.), and want to understand how much electric load I can use in each room. The house doesn't have HVAC and I am using floor heaters. I would not ...
Asad Iqbal's user avatar
2 votes
1 answer
148 views

ALL but one CBs were open and the MB was closed. The open CB's ALL tripped at the same time How is that possible?

Last night I woke up about 3AM. I noticed my clock wasn't on. I thought maybe there was a community power outage. I got up to investigate. I then observed my outside lights to be off and other lights ...
David's user avatar
  • 21
0 votes
1 answer
74 views

Federal Pacific Stab- Lock verses bolted in panels [closed]

I have a 1961, Apartment with Bolted on panels vrs the Stab-lock is bolted on safer?
Julie's user avatar
  • 1
0 votes
0 answers
97 views

Breaker temperature rating [duplicate]

I am using a 100amp Stab Lok breaker in my main panel to power a subpanel in same area. The breaker I have says 40c. Is this ok or should it have a rating of 75c? This is for 36” runs of 3 gauge to ...
Steve's user avatar
  • 1
0 votes
0 answers
69 views

Federal pacific breaker panel problems

I have a FPB panel in my home. I'm losing power in different areas of home but no breakers have tripped. Now I have a tracing nightmare. Also what is the function of the adjusting screw?
Mike Lovisone's user avatar