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Furnace fan doesn't work in manual mode

Furnace controls that use the 24 volt 2/4/5-wire control scheme normally have the R terminal connected to one pole of the 24 volt transformer and the C terminal connected to the other pole. The C-side ...
Greg Hill's user avatar
  • 31.6k
2 votes

Why are there two cables connected to this GFCI outlet?

You might look at cars and presume all cars are gasoline powered. No, "gasoline power" does not define cars and there are other options. Similarly, you might look at GFCIs and presume all ...
Harper - Reinstate Monica's user avatar
12 votes

Why are there two cables connected to this GFCI outlet?

GFCI outlets have two sets of connectors: Line and Load. The Line terminals receive power from the breaker/fuse box. The Load terminals carry power onto other outlet(s). These “downstream” outlets are ...
DoxyLover's user avatar
  • 13k
2 votes

How do I trace back a dead outlet?

Important: The non contact testers only work if you have power. Turn off the breaker, disconnect the wiring at the plug, otherwise you get false reading. Then use one of these tracers. They have ...
Traveler's user avatar
  • 18.1k
3 votes

How do I trace back a dead outlet?

There are professional versions of the circuit tracer that power the transmitter with a battery and do not require that the outlet be live. They appear on eBay fairly frequently. Not cheap, but when ...
keshlam's user avatar
  • 31k
3 votes

How many 6awg THHN wires can be run in a V700 Wiremold and be NEC compliant?

I cannot find a wire fill chart for V700 that includes #6 awg, but a ground wire is not required. (See edit below) 250.118 Types of Equipment Grounding Conductors (A) Permitted. Each equipment ...
NoSparksPlease's user avatar
4 votes

How can I charge two EVs from a 16A fuse box?

Power Sharing Yes, there is technology for this, but you'll need to evolve past the flimsy charge cords. Tesla used to call it "Power Sharing" and now calls it "Group Power Management&...
Harper - Reinstate Monica's user avatar
5 votes
Accepted

How many 6awg THHN wires can be run in a V700 Wiremold and be NEC compliant?

Only run two #6 THHN and run a bare #10 ground wire. That's going to help with fill. EVs do not use neutral. Mind you, many EV novices think NEMA 14-50 sockets are the way to hook up charge ...
Harper - Reinstate Monica's user avatar
0 votes

How many wires should be in a new thermostat cable?

18/5 would be required at a minimum for smart thermostat use. I had an 18/3 wire on my existing forced hot air furnace. I wanted to use a smart thermostat and purchased a Nest. After research I ...
Andrea Basney's user avatar
1 vote

Should I plan for potential current capacity demands when sizing a circuit?

If you ever decide to install a small generator, ie any one that is not "whole house", you'll want to ration power to the sump pump and other moderate loads while ignoring small but critical ...
jay613's user avatar
  • 41.8k
0 votes

Should I plan for potential current capacity demands when sizing a circuit?

Incandescent bulbs are no longer sold in the US, so the concern about higher wattage bulbs is minimal. If someone should find some incandescents and install them, in the worst case the breaker will ...
Phil Freedenberg's user avatar
1 vote

Should I plan for potential current capacity demands when sizing a circuit?

7 + 4 = 11 amps. This is never a problem on a 15 amp circuit. Sump pumps are not a continuous load in normal situations. If you treat the pump as a fastened motor for load calculation, it's still ...
Robert Chapin's user avatar
5 votes

How can I protect an unprotected hot tub outlet?

If you can get cabling from the panel to underneath the tub without breaking any walls do that. It doesn't matter if it's hard wired or if you put a receptacle under there. Either way it will be GF ...
jay613's user avatar
  • 41.8k
1 vote

How can I charge two EVs from a 16A fuse box?

My Volt and probably most EVs are able to be programmed for "time of use" charging" since some utilities charge more during the day. My utility charges about 50% more during the hours ...
ArchonOSX's user avatar
  • 20.2k
1 vote

How can I charge two EVs from a 16A fuse box?

Assuming 16 amperes (A) at 240 volts AC (VAC), the maximum charge rate would be ~4 kilowatt-hours (kW-h) per hour of charging, whether for one vehicle or split among two, e.g., each vehicle getting ~2 ...
DrMoishe Pippik's user avatar
0 votes

How can I charge two EVs from a 16A fuse box?

You can get a multi-charger or a set of chargers which do load sharing. If they are set up properly then if only one car is plugged in (or the other car is full charged) then the entire circuit is ...
ratchet freak's user avatar
1 vote

Cost for grounding an entire house?

FWIW I own a similar style home 1910 vintage, 2100 square feet, horse hair plaster and ornate woodwork. The wiring was a mix of everything used for the last hundred years (knob and tube, BX, Romex, ...
mikes's user avatar
  • 11.4k
5 votes

Cost for grounding an entire house?

Cost estimates are off-topic as they vary tremendously by location, and of course go up over time as well. That being said, we can still offer some advice that may help. Grounding performs two ...
manassehkatz-Moving 2 Codidact's user avatar
2 votes

Is my plan for a 125A subpanel feeder ok?

I would go much larger on the subpanel. 24 circuit is a lie. That requires tandems and almost every circuit needs GFCI or AFCI so tandems are not going to happen and you really have a 12-circuit panel....
Harper - Reinstate Monica's user avatar
2 votes

Wiring a new light fitting (pre 2004 wiring)

If this is the UK, you probably have 'ancient colours' (solid green not green/yellow). Here's a wiring diagram for a typical ceiling rose: (source, can highly recommend his videos too) We are ...
user1908704's user avatar
  • 1,551
1 vote

Adding outlets to a room via daisy chain using wiremold raceway

Wiremold raceway is expensive and as noted you are not allowed to install it in a rental even if the landlord agrees. If the goal is to avoid messy extension cords, consider a solution that plugs in ...
jay613's user avatar
  • 41.8k
6 votes

Adding outlets to a room via daisy chain using wiremold raceway

Since this is a rental, it is highly unlikely that either you or the landlord can do this work. (assuming USA's typical jurisdictions) If this were your house and you were allowed to do this work ...
Triplefault's user avatar
  • 8,478
0 votes

My Porter-Cable Air Compressor is drawing too many amps

This is a Good compressor. The invisible problem and intermittent until total stoppage. The symptom of on off then breaker off. The Plastic shell surrounding the Capacitor, the shell hole for ...
Wildman's user avatar
1 vote

Neutral connections are not grounded to the chassis

European and American wiring does not differ in the area of neutrals and grounds. Neutral is not ground. They are never connected together (except, America: in the service equipment i.e. main panel ...
Harper - Reinstate Monica's user avatar
1 vote

Is my plan for a 125A subpanel feeder ok?

First of all, I don't think you necessarily even need a ground wire if the two panels are connected by a metal nipple. But it can't hurt. As far as hot and neutral wire size, 3 AWG copper or 1 AWG ...
manassehkatz-Moving 2 Codidact's user avatar
1 vote
Accepted

Climbing down a ~6' drop in the attic

Wow, I've never been in an attic quite like that one. Interesting -- you could make yourself a little secret room in there or something. Anyway, yes, you could do a little better than what's pictured. ...
Greg Hill's user avatar
  • 31.6k
4 votes

Can I use this "lamp cord" style wire in a new junction box?

If by "can" you mean "in an electrical-code-compliant manner", then no, because what you have now is a code violation and always will be. All 120V wiring must use approved wiring ...
kreemoweet's user avatar
  • 3,660
4 votes

Neutral connections are not grounded to the chassis

"Chassis" is the metal housing of the appliance. "Connected to chassis" literally means one of the incoming wires is electrically connected to the metal housing, and usually is ...
Greg Hill's user avatar
  • 31.6k
3 votes

Help wiring European Stove In the US

Here is the manual. First, a few observations. It has four burners, EACH capable of 3.7kW. In theory (but not really) this could consume about 15kW, requiring 80 amps of cabling. It has different ...
jay613's user avatar
  • 41.8k
2 votes

How can I combine three switched circuits into one?

You can determine if it's possible by checking the following: The lights are all on the same breaker. Turn off the breaker that controls any of them, and they should all turn off. The lights are ...
jay613's user avatar
  • 41.8k
4 votes

Help wiring European Stove In the US

Virtually all such stoves have full isolation between the Neutral and the Ground (Earth) so you just use the "One Hot, One Neutral" 240V diagram with the two House Hots (one on the "Hot&...
Ecnerwal's user avatar
  • 221k
1 vote

Remote-Controlled Ceiling Light OK?

There are two possible concerns here. I'm going to assume US code. First - if there is no other switchable light in the room, and it's a habitable room, this isn't allowed. Code ref: 210.70(A)(1) ...
KMJ's user avatar
  • 12.2k
2 votes

Electric frustrated

Because your original outlet, the one with the GFCI, does not have any ground back to the panel. It is a code violation to extend a circuit which does not have ground. In fact, you have created an &...
Harper - Reinstate Monica's user avatar
6 votes

How can I power both sides of breaker box with two 120 volt battery backups?

Don't - but alternatives The "generators" you list are very small. 1.5kWh. It does not make a lot of sense to run those through your panel. Any non-trivial load will run them down ...
jay613's user avatar
  • 41.8k
3 votes

How can I power both sides of breaker box with two 120 volt battery backups?

You can only do this for your 120V loads. All 240V loads must be off or let's just say bad things will happen. Note that this means you have to go through a set of steps prior to switching this on ...
Tiger Guy's user avatar
  • 2,401
2 votes

Why did the main wire to my apartment burn before the breaker tripped?

While Ecnerwal his response is pretty good and explains the WHY is misses the fact that the shorting/arcing happened BEFORE the breaker, so from the main feed. The issue here is that from the breakers ...
Ramon Smits's user avatar
17 votes

How can I power both sides of breaker box with two 120 volt battery backups?

Assuming that the two battery backups are not designed to be synchronized, the problem is that the two together will not produce true 240 volts: this requires that the two generators run at exactly ...
DoxyLover's user avatar
  • 13k
-3 votes

Why did the main wire to my apartment burn before the breaker tripped?

Because the fault was before the breaker
Chris Butler's user avatar
13 votes
Accepted

Why did the main wire to my apartment burn before the breaker tripped?

And why'd the insulation melt near the breaker, and not some other random point from the building's mains input to my breaker box? Poor connection to the breaker. Probably not tightened to the ...
Ecnerwal's user avatar
  • 221k
1 vote

What electrical connection for a ceiling mounted fan forced industrial heater?

You need the 30 amp breaker because of derating for the wires. A common trip means both sides of the breaker trip together, making sure all power is shut off. For 30 amps, you want minimum of 10 gauge ...
crip659's user avatar
  • 26.5k
1 vote

Dryer not powering on

The black hot had a burn spot in it. Had to run a new one, I guess the first electrician I called missed something or isn't very good
Micheal's user avatar
  • 11
2 votes

Why do I see low voltage in a repaired underground cable?

If you're measuring those voltages with no load applied then it isn't a problem of damaged wire having a high resistance (being "almost broken"): with no load current flowing there can be no ...
Greg Hill's user avatar
  • 31.6k
3 votes

Adding a circuit to electrical service

I am a bit concerned about 10/3 on a 50A circuit for your oven. A 50A circuit usually requires either 6 AWG or 8 AWG copper (depending on wire/cable type) or 6 AWG aluminum. 10 AWG sounds like: ...
manassehkatz-Moving 2 Codidact's user avatar
26 votes

Why do I see low voltage in a repaired underground cable?

The wires are likely more damaged than you realized. For example, the excavator may have pulled the wire for a few seconds before it actually broke, resulting in hidden sections that are almost broken ...
manassehkatz-Moving 2 Codidact's user avatar
2 votes

What to do about this light fixture mounting?

The fact that we see gold lamp cord behind the lamp housing suggests that this was not intended for permanent installation to a box. I think I see a notch at the bottom where the cord would've ...
isherwood's user avatar
  • 142k
5 votes
Accepted

Dust Collector Fries GFCIs

I'd check the bearings - a fan (a dust collector is basically a big one, at its heart) really should not be that hard to start. It should have very low power requirements until it spins up, so hard ...
Ecnerwal's user avatar
  • 221k
-1 votes

Is there any code for running Ethernet cable (through attics)?

Depending on your country or local government, if you are having an electrical inspection on your home the inspector will have an “anything goes” attitude about Ethernet and other communication cables....
John berry's user avatar
3 votes

Is this chandelier incorrectly wired?

It is difficult to tell from the pictures exactly how things are wired. But there is an indication that there is a problem. This picture showing the wires coming from the chandelier show the typical ...
Triplefault's user avatar
  • 8,478
1 vote

Replacement cord for a window air conditioner, what guage cord should it have if it's a 0651515LY with the numbers 14478 on the plug?

A quick search of that number shows a 14 AWG 5-15 connector with a leakage detector. Assuming that (similar to GFCI, but different) is required either by local code or by the air conditioner ...
manassehkatz-Moving 2 Codidact's user avatar

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