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3 votes

What is a Non-automatic AC Disconnect

The device you're referring to is a molded case switch in a box All fusible and most non-fusible AC disconnects are of a type known as a "pullout disconnect" where there are fuses or blades ...
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2 votes

What is a Non-automatic AC Disconnect

Non automatic disconnect is a switch that requires a person to disconnect (no fuses). There are really inexpensive one that has a shorting bar that is pulled out. This is the most common type in use ...
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1 vote

Costco CST80SL fan wiring

This will work This will work fine -- there's no issue with having an exhaust fan on the same circuit as other lights. Just don't put it over a shower or tub, because then it'll need to be on a GFCI, ...
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2 votes

blower motor wiring

Today I went into the hot attic looked at the wiring and the posted wiring diagram and noticed the black wire to the relay switch was on 2 when it should of been on terminal 1. Once I made that change ...
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-1 votes

How many 12-2 cables can I put in a short run of conduit?

If your multiple romex lines are going from point a to point b in a straight line inside of pvc conduit you simply pre pull the romex inside the pvc leaving the excess 12" or so coming out each ...
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2 votes

Right size liquid tight conduit for #6 wire

This is a very good question down vote reversed! all the information is there needed to calculate or look it up in the tables. Thhn #6 4 wire. Look in the code book Informative annex C table C5 the ...
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2 votes

Need to know if my 1/0 wire will suffice

Maximum wire capacity We have to go strictly by Table 310.15(B)(16) and we use the 75C column - this says 150A. If you are sure the equipment at both ends of the cable is listed for 90C terminations, ...
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6 votes
Accepted

Why would a fusible AC disconnect require a bonded neutral when a non-fusible disconnect only requires the equipment grounding conductor?

A fused disconnect can be a main disconnect and if used as a main or service entrance disconnect the neutral is required to be bonded by code. A non fused or safety disconnect requires over current ...
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3 votes

Must NM cable from floor to wall go through sill plate?

Not without putting a notch in the sill plate and then running the cable flat inside the notch and then protecting the cable with a nail plate. NM cable has to be laid in such a way as to avoid ...
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  • 1,168
2 votes

Adding a duplex outlet to a gang box that had capped off wires

I would measure the distance to the next outlet if there is more than 12’ between outlets someone removed it (code states 6’ max distance so they are spaced 12’) I see this on home inspections all the ...
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1 vote

Switch with weird voltages and wiring

I suspect you have two independent switch loops. But let's put that to the test. I think there are 4 pairs of wires that should be tested. (crossing cables is a mistake). Black and white in the /2 ...
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1 vote

How do I connect my DSL socket?

You don't. There are only two operational wires on a phone line. "24Mbps" is the max possible from your provider, not the guaranteed minimum. Most likely you are on a long run from the ...
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1 vote
Accepted

Switch with weird voltages and wiring

So what you have here is almost certainly a switch loop and a three-way switch. The top cable /2 white is the constant hot from the fixture and the top cable black is the switched hot. Those go on one ...
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  • 1,168
0 votes

Can I use a NEMA 6-20r on a 15amp circuit?

TL;DR No Wire is behind-the-scenes and totally generic. So bigger wire is OK - it will still do the job, and in fact will do the job better in a way that matters on really long runs (voltage drop). ...
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5 votes

100amp subpanel with long 1 1/4 PVC run - what size wire will pull better?

#2 AL/#4 CU isn't allowed to be protected at 100A in this application. It would be allowed for overhead, full load of a residential service, or for terminations (UL) Listed for 90°C. Your panel at ...
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5 votes

100amp subpanel with long 1 1/4 PVC run - what size wire will pull better?

Your wires are undersized for Full 100 Amps unless you use #2 copper, and #2 copper will cost a LOT. (#3 will actually work, but good luck finding that in stock, and it will still cost hugely) You can ...
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2 votes

What's the cheapest way to wire these lights that are 400' away at the end of the driveway?

I'm unfamiliar with USA wiring codes, but in the UK everything goes away if you use 12V DC LED lighting. What you might spend on thicker cabling, you save by not having to employ an electrician. How ...
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-5 votes

100amp subpanel with long 1 1/4 PVC run - what size wire will pull better?

I am assuming it is in the US. Your installation should not pass inspection. Reason per the NEC (National Electrical Code) limits the total number of bends in one continuous run to 360 degrees or four ...
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3 votes
Accepted

Wire type from meter base to panel, conduit end to end, underground, and through a crawl space

I would go one size up in Aluminium, to 250 kcmil. 4/0 Aluminium is technically under the 200A at 75ºC in the ampacity chart. There may be a carve-out in the NEC for service feeders specifically but I'...
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  • 1,168
1 vote
Accepted

material for low voltage conduit on FACE of wall, basement to attic

All of these items would do the trick. The electrical PVC is a good choice and it can be painted. The advantage to using it over regular PVC are the bends and fitting available and the strength of ...
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  • 53k
-1 votes

Why would a pendant light work while the recessed down lights don't?

I just moved into a new house. Here are some possible explanations: If you bought the house from someone who flipped it: no bulbs in downlights. Or they're not connected, purely for decoration. Or ...
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  • 5,780
1 vote

What's the cheapest way to wire these lights that are 400' away at the end of the driveway?

I've heard suggestions to use solar, but we don't get a lot of sunlight, so I'm not sure if that would work. I think this assumption has to be fundamentally addressed. Solar doesn't require direct ...
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9 votes

What's the cheapest way to wire these lights that are 400' away at the end of the driveway?

What's the cheapest way to wire these lights? The right way, period. "The cheap man pays twice" is thoroughly applicable here. If you run anything other than a wire which is rated for 20A ...
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4 votes

How to prevent live/neutral/ground cables being swapped?

The individual wires within an appliance cable are often color coded or (with lamp cord, for example) have a pattern molded into the cable housing on one side. Before you disassemble: Look at the ...
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11 votes

What's the cheapest way to wire these lights that are 400' away at the end of the driveway?

What's the purpose of these lights? Are you just illuminating the step for pedestrians in the dark? Or is it all-night lighting? is it for security? If you just want people to not trip, I'd suggest ...
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22 votes

What's the cheapest way to wire these lights that are 400' away at the end of the driveway?

Lights only? Anything. It all pivots on the receptacle. If you never want a general-use 120V receptacle there, then any wire will do down to #14 copper. So you can price based on the cheapest wire ...
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4 votes
Accepted

How to prevent live/neutral/ground cables being swapped?

First, school up and follow Code. A lot of people try to "stretch" their skills when doing electrical work. Don't do that - take your time to learn how to do good work. Don't guess or ...
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5 votes

How to prevent live/neutral/ground cables being swapped?

Most wires for where it matters, hot, neutral, and ground are colour coded. Neutral can only be white or sometimes grey, ground is bare or green, and hot can be most other colours(for North America). #...
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6 votes

What's the cheapest way to wire these lights that are 400' away at the end of the driveway?

There is one important thing missing, what type and size of bulb. Assuming 2 100 W tungsten bulbs and allowing 7.2 Volt drop #12 would work fine on a 15 Amp circuit. You can use LED bulbs they will ...
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  • 3,011
34 votes

What's the cheapest way to wire these lights that are 400' away at the end of the driveway?

14 AWG and LED lights. Practically no current so practically no voltage drop. Easy enough to get LEDSs that run on 240V, so half of practically no current at double the volts if you're overly ...
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2 votes

Can I use the same 240 circuit for hot tub and sauna outdoors?

Each one should have it's own breaker. You can install a sub panel fed from the existing hot tub wires. From the sub panel, run a 30 amp breaker run to the sauna and a 30 amp breaker run to the hot ...
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  • 53k
1 vote

Why would a pendant light work while the recessed down lights don't?

How could some lights not work when a dimmer is used? As I read it the pendant always works the down lights do not work when dimmed. The lights that do not work are electronic of some type, led or cfl ...
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  • 95.3k
1 vote

Lava lamp UK to Canada

Strictly speaking, in going from 240V 30W to 120V 30W, you have doubled the current in the wiring. But when you work out the current, it's gone from 0.125A to 0.25A. That's such a small current that ...
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2 votes
Accepted

Existing thermostat wire colors - no white?

Someone used telephone wire (2-pair red/green & black/yellow) for the thermostat wire here. So, ignore anything you may think applies about "thermostat wire colors" and just pay ...
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  • 132k
1 vote

Lava lamp UK to Canada

Most cordage in the world has a minimum of 300v with 600v being more common the reason this lamp should not be used in North America is a fault will most likely be on a much larger circuit without ...
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  • 95.3k
1 vote

What's the right way to bypass non-functional ballast in bathroom exhaust?

Is the area that the ballast is in the same as where the branch circuit wire enters the fixture? As long as the terminations are enclosed inside the fixture in an area that was designed to house them, ...
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2 votes

Replacing Power Cord for Electric Chainsaw

For garden use, you want orange cable, so you can always see it. You can get 10m of orange 2-core from B&Q for just a few quid. They also sell the 2-pin extension plug/socket combos too, if you ...
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3 votes

Replacing Power Cord for Electric Chainsaw

Make sure that you get "cordage", not "cable". There's a distinct difference. Cordage is designed with a tougher but more flexible outer housing that's designed to take the ...
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7 votes
Accepted

Replacing old receptacle that had 2 wires under 1 screw

Yes, pigtailing is fine, and may actually be a requirement since the wires need at least 6" of length and to come at least 3" beyond the face of the box. You're not allowed to do oblige the ...
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2 votes

Replacing old receptacle that had 2 wires under 1 screw

I have to assume you also have these heavy duty outlets available in Canada. They have four holes on the back for wiring which would be a legal, direct replacement for what you have. I think this ...
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  • 26.6k
2 votes

240 to thermostat for electric heat reading 120v and 70v

Somewhere in that line, between the breaker where it's 120 to neutral (or ground) and the thermostat where it's not, there is a bad connection. High resistance is bleeding off roughly 50 volts under ...
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1 vote
Accepted

Lennox Wiring for Ecobee SmartThermostat

The issue was that the C and Y wires apparently went nowhere. I traced them as best I could, but couldn't figure it out. Fortunately, there was a deprecated humidifier control box right next to the ...
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0 votes

Does a conduit running through a ceiling need to be supported?

A wire is generally not acceptable, period (exception might be a grounding wire as a lone wire.) A cable (several wires in one outer jacket, such as NM/B aka "Romex® - a brand name) is NOT ...
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  • 132k
1 vote

How to wire this 4-wire range terminal block with pin style connectors?

Not an expert, but to answer my own question, from my research, it looks like I could just use a ferrule, heat shrink ssleeve and a crimper to make similar connection. On the other hand, according to ...
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2 votes

Pool Load Center Wiring from Main Panel

After discussion with a local county inspector I was able to answer the following Running Aluminum SER of the size I was targeting 1-1-1-3 was acceptable and I could fish the cable and suspend it ...
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0 votes
Accepted

Pool Load Center Wiring from Main Panel

Connecting the SER to copper will require the proper connectors or you'll end up with a fire like they did in the 70s. Consider running AL outside, too - eliminates the issue and likely will be ...
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17 votes

I’m trying to make a 220V power cord

What Ed Beal says, but let me backfill some details. Here is our cast of characters. If you're confused about neutral and ground, perhaps it's the welder has a NEMA 10 connector. (Hot hot neutral). ...
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1 vote

Is it possible that Thermostat Y wire and C wire is the same wire on my air handler (furnace)?

Connect your C to the purple wire The reason the first diagram seems confusing is because they dot the Y wire in from the thermostat to the outdoor unit, but do not specify a color for it. This is ...
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10 votes

I’m trying to make a 220V power cord

Ok, your plasma cutter is 220, well I will update you and say 240 as some like the modern voltage standards. So you can use a 3 conductor cord, 2 current carrying conductors and the ground. As someone ...
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0 votes

Can I run a 60A sub-panel off of another 200A sub-panel?

2x12.9x100x60/7.2= wire size required.21,500 #6 wire is 26,240. #8 to small is 16,510 #6 wire is ok. Main feed to meter, then to disconnect 200Amp, then to main panel in home, then to a panel in the ...
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