Questions tagged [generator]

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Sizing generator from power consumption from electric bills

I'd like to size my generator for the whole house. Can I use the usage stats from my electric bill or do I need to check the individual appliances. For example, the house uses 34 kwh per day on a ...
Dayton Brown's user avatar
3 votes
1 answer
600 views

Is a 125 amp service panel compatible with the 200 amp transfer switch?

I want to install an 18 kw Generac standby generator with 200 amp automatic transfer switch to our 125 amp service panel. Is the 125 amp service panel compatible with the 200 amp transfer switch?
Ljubica's user avatar
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1 vote
2 answers
74 views

How do you calculate a home load for a whole house generator?

How to total the house load and what size generator to handle it?
William Watt's user avatar
2 votes
1 answer
71 views

question about neutral/ground bonding when a generator runs a furnace

Looking to power my gas furnace blower with an unbonded inverter generator. Furnace has a hard-wired on/off switch (like a light switch) at the furnace. I don't want to power the circuit at the main ...
jourdin.antonius's user avatar
1 vote
1 answer
80 views

What are the pros and cons of adding a second ground rod at the "Alt Power" location In this diagram?

My question is whether or not I should add a second ground rod at the generator location? This is shown as the "Alt Power Source (2024)" box in this diagram. Please recognize that this ...
Tim Whitmore's user avatar
0 votes
0 answers
29 views

Proper grounding with a generator interlock kit in my sub-panel

My main panel/meter can is outside, but I want to install the interlock kit on the sub-panel inside my house to make it easier to adjust the loading. That part is easy, but my concern is how to ...
Eddie L's user avatar
14 votes
1 answer
3k views

Is oil normally this dirty after a 5-hour break-in period of a small inverter generator?

I bought a small inverter generator, filled it with SAE10-30 oil that shipped with it, taking care to check with the dipstick several times so as not to overfill it (though it did take the full bottle)...
mr blint's user avatar
  • 1,840
0 votes
3 answers
329 views

I have a 50 amp plug into my panel. How many watts can I push into it from a generator?

I have a 50amp into my panel that has a built-in manual transfer switch for a generator. I want to buy a generator to hook into it. If I am correct, the max Wattage I can push in would be 240V x 50 ...
Igal Nassi's user avatar
0 votes
1 answer
43 views

What is the best option for remote enabling generator for solar system? [closed]

My home is solar powered with outback system components. What I'd like to do is be able to monitor using a Mate3 and automatically charge the batteries over wifi utilizing a remote start generator. I ...
Busch's user avatar
  • 121
10 votes
2 answers
361 views

Why did my generator, with neutral/ground separated, almost start a house fire?

My 23 year old house has a manual transfer switch, a Gen Tran (now Reliance Controls) unit, which I’ve used off & on for 20 years. My generator is a portable 7500 watt that I purchased in 2018. I’...
DaveinPA's user avatar
  • 201
0 votes
2 answers
210 views

What are the Pros & Cons of a generator transfer switch vs an interlock?

I'd like to be able to power essential circuits with a portable generator. If local code allows, I could use either a manual generator transfer switch (I'm looking at the Reliant Controls ProTran), ...
zwiebelspaetzle's user avatar
-1 votes
1 answer
74 views

50AMP cord from generator into sub panel [closed]

My sub panel, located in the garage, does not have a main breaker. The main panel, located on the outside of the house, has a main breaker. The CB's in the main panel are as follows: Dryer, Subfeed, ...
David's user avatar
  • 21
0 votes
1 answer
68 views

Generator connection to two service panels at same time?

I have a single inverter generator with a floating ground that connects to my house panel using a manual interlock and double breaker. It works well. I have a garage and shop on a separate meter and ...
Steve  B's user avatar
  • 21
2 votes
2 answers
74 views

How do I resolve a shore power ground fault on a bonded neutral generator?

I have a 50A RV with a custom solar setup using a Victron 12v Multiplus II 2x120v inverter. In normal operation I run shore power through an EMS and the into the Multiplus, then from the Multiplus ...
Solar_Samuel's user avatar
0 votes
1 answer
87 views

Sub-Panel Separate Ground and Neutral Bars?

I have seen other posts about this question, but mine is slightly different. I have a sub-panel that has a bonded neutral and ground bar, which I believe is against NEC2008. I understand the concern ...
Select 'DBA''s user avatar
0 votes
1 answer
64 views

Connecting a Backup Generator to Only One of Two Panels

I have two 200 amp panels in my house connected to a single meter. I am wanting to connect a 22kW standby generator to power a portion of the total house load. Is it practical / legal to move all the ...
Bruce's user avatar
  • 1
1 vote
0 answers
70 views

Grounding question: Honda eu7000is generator connected through PG&E backup power transfer meter

Earlier this year PG&E installed a free backup power transfer meter at our California property (info sheet here). Using the cable supplied with the meter, it connects our Honda eu7000is inverter ...
Dave Millman's user avatar
2 votes
1 answer
78 views

Utilizing 2 separate utility grids through 2 ATSs

I have a unique power scenario at my house that I’m considering trying to take advantage of. My house is fed by an underground service that comes from the neighborhood above my property. My detached ...
Paul's user avatar
  • 21
0 votes
0 answers
35 views

Floating Neutal on Generator

I have a floating neutral on the generator that powers a sub-panel. Can the 110v outlets still be used to power other items such as saws, refrigerators? Or can the generator be configured to have a ...
Charles Chubb's user avatar
0 votes
0 answers
34 views

What are the rage of operating Temps, Crankcase and Alternator, of a 9500w Portable Generator

I have purchased a Westinghouse WGen9500DFc generator. My Home Owners Association is requiring me to have a temperature cut-off added to the generator to minimize the risk of generator over heating ...
Scott M's user avatar
1 vote
0 answers
33 views

New 6800/5500 watt generator, neutral connected to frame, replacing similar generator with floating neutral. Need help to rectify connecting to panel

The original generator had a 3 wire cable connected to a 3 prong locking plug on the generator. It feeds a 240 volt 20 amp Stab lock breaker (with a fitted manual interlock to prevent feedback) on the ...
Peter Doherty's user avatar
0 votes
0 answers
104 views

Will harmonics cause nuisance GFI tripping with a Kohler generator?

I have a Kohler 20RCA 20kW residential generator. About 10 minutes after the generator starts some of the GFI outlets will begin to trip. There are 19 GFI outlets across both legs and two panels. I ...
Keith Collins's user avatar
0 votes
2 answers
448 views

How to hook up generator transfer panel when main breaker is on different panel? [duplicate]

Is there a way to add a transfer switch to a main panel that does not have a main breaker? My main breaker is outside near the meter. I would like to have all circuits available for my generator. I ...
Lefebvres090428's user avatar
3 votes
2 answers
546 views

How to connect a generator without neutral to work with 5 pin 3-phase outlet

I have an older diesel generator, with an old panel, from an older ship, that i want to connect to use as a backup power supply. Generators specifications: The problem that I have is that there is no ...
demon's user avatar
  • 31
0 votes
1 answer
107 views

Feeding inlet power into a generator transfer switch

I'm installing a manual transfer switch for a generator in my basement. The transfer switch box requires that the inlet connect come from the bottom of the box. However, I will be running the wiring ...
InfestedTaco's user avatar
0 votes
3 answers
320 views

Connect generator to main panel

I want to connect a generator with a 50 amp power inlet box but as you can see from the picture, there's no space to install the circuit. Am i missing something? This main panel connects to a subpanel ...
Sam's user avatar
  • 1
0 votes
1 answer
76 views

installing a 10,000W generator to a 240amp house

I have a Firman H08053 10,000W generator. I would like to have it connected to my house which carried 240V. When i do the calculations: 10,000 / 240v=41.6amps if this is correct. Should I use a ...
Oral's user avatar
  • 1
0 votes
2 answers
156 views

How to ground 240v generator

I have a four-pin plug from my generator (240v/30A) that I would like to connect to an outlet, which is only serviced by three wires - two hot wires and a bare copper ground or neutral wire. The ...
Tom's user avatar
  • 1
-1 votes
1 answer
83 views

Generator question

Is it possible to use my 50a plug off the portable generator to run my main panel with interlock kit of course and the 30a plug off of a manual transfer switch. My house is electric heat and I would ...
Will's user avatar
  • 1
1 vote
2 answers
183 views

How can I get my portable generator to power my house with this setup?

I need help figuring out how to power my house with my 12000/10000w 50amp portable generator. The picture above is my main panel that also houses the meter. I don't have a single main disconnect, but ...
Professional Googler's user avatar
11 votes
4 answers
4k views

What happens if you connect the same phase AC (from a generator) to both sides of an electrical panel?

I have seen a variety of postings on similar questions online, but there seem to be different people replying with the exact opposite answers. It is, ahem, apparently contentious. So I am going to ...
user2330237's user avatar
0 votes
0 answers
95 views

How to add remote start to backup generator?

I have a Briggs and Stratton 040248. I use it frequently in the winter since I live off grid. Is there a way to add a remote start?
Busch's user avatar
  • 121
0 votes
0 answers
40 views

Do i need to remove the jumper wire from my 14 kw gen before hooking up i have no transfer switch i

I am hooking up a 14 kw kohler without a transfer switch i am completely off grid do i remove the jumper from neutral to ground and then hook up all four wires
Dwayne's user avatar
  • 1
1 vote
2 answers
109 views

What Amp Transfer Switch for Standby Generator?

I am planning on installing a Kohler 14kw standby generator for whole house emergency use. My home has 100 amp service. I have gas heat, hot water and stove. Biggest draws would be fridge, ...
CHiefrider's user avatar
0 votes
1 answer
200 views

Using a portable generator cord for 50 amps

I have a Westinghouse WGen9500 portable generator. The grounding prong space where the 4 prong end fits in has one flat edge. Can I put a plug with a round grounding prong into it?
Diane's user avatar
  • 1
0 votes
1 answer
153 views

Can I reuse the old dryer wiring for a generator plug? it's missing a ground

My generator needs a four wire connection but the dryer plug is only a three wire type. Can I just run a new ground wire along the path of the dryer wires? I know that electrically it would work but ...
josephwheeler1's user avatar
2 votes
3 answers
537 views

AC Soft Start and Portable Generator

I am having an interlock and power inlet installed for a portable generator to plug into for my home. I asked my electrician about adding an AC soft start kit to reduce the amount of start up watts ...
Jim Norwell's user avatar
0 votes
2 answers
325 views

Generator Breaker Placement

I'm trying to add a 30 amp generator inlet box to my panel. As you can see, I had room in my panel on the top left for a 30 amp breaker. I was planning to connect my generator inlet box to this but ...
Brad in Ohio's user avatar
2 votes
3 answers
140 views

Issues with switching over from mains to generator

This is my basic diagram: I'm facing an issue here - I have mains supply and generator supply and in order to incorporate a time delay I have have a UPS system in between. The UPS is just powering ...
albetroz's user avatar
1 vote
2 answers
630 views

4/0 AL ok for 24kw generator?

I have a generator, which needs wire, it’s a generac 24KW gen, with a 200 amp ATS, is it okay if I use 4/0,4/0,4/0,2/0 AL Wire ?
Gee mend's user avatar
4 votes
2 answers
653 views

How can I extend #6 wire in a service panel?

I need to move a 50A generator breaker in my service panel from one side to the other to match the configuration of the interlock switch. I will need another 12" of cable to move it where it ...
AKG's user avatar
  • 101
1 vote
1 answer
799 views

Generator Sub Panel and isolated shared neutral?

Okay I have seen this issue before on this forum but no specific answer for my question. I have a main panel 120/240 single phase with two poles A and B, neutral and ground. I have moved several loads ...
Brianbowman's user avatar
1 vote
1 answer
542 views

Details on installing 240 volt line to garage for emergency generator and future EV charging

High level background: I have inherited a very well maintained generator from my father-in-law (Troy-Bilt 5550). He had a 240v outlet in his garage in the event that he needed to use the generator ...
highbandwidth's user avatar
1 vote
2 answers
127 views

Provide utility and gen power to thermostat

I have a smart thermostat installed that is getting 24v power direct from the heat pump control panel. The T-stat is also controlling a boiler that kicks on when the HP can't keep up in the winter. ...
Marc's user avatar
  • 11
0 votes
2 answers
907 views

Can I have an interlock hooked up to the single main breaker panel outside?

I’ve got a 150 amp main breaker (by itself) outside with a sub panel in the laundry room for every other breaker. Can I add a 30 amp breaker for my generator to the main panel outside and then install ...
Hank Hill's user avatar
5 votes
1 answer
874 views

Trying to determine how large a generator I need for my minisplit HVAC system

I have a Mitsubishi Minisplit HVAC system. The compressor is a MXZ-3C24NA2 and the 3x head units are MSZ-GL12NA. When I pull up the wattage of the compressor I see a "rated total output" of &...
evt's user avatar
  • 263
0 votes
1 answer
82 views

Ground and neutral switched in old wiring

The house I live in has old wiring I haven't ever really looked at much. I have decided to add solar so have started looking at it. We are off grid and currently the entire house comes out on a ...
Keno's user avatar
  • 1
9 votes
4 answers
3k views

Does the NEC allow a sub panel to be powered by a generator and an automatic transfer switch?

I plan to install a sub panel next to my main panel. Mainly because as I do electrical upgrades, I'm accumulating more circuit breakers. Since I need one anyway, I'd like to be able to power it with a ...
Mike Gray's user avatar
  • 105
0 votes
0 answers
100 views

Grizzly 5hp planer trips breaker on my generator at start up

Trying to run my shop off grid. I have the duromax 12000 watt generator. It has a 50 watt connection but a 30 watt breaker. The generator is wired to a panel in the shop. The generator seems to run ...
Kevin's user avatar
  • 1
0 votes
2 answers
1k views

How to run a shed from a generator with no utility power?

I want to wire an off-grid shed with a bonded neutral Duromax XP9000iH generator. There won’t be much demand, but I want to make sure I do it right. I'm going to need around 10 standard 15A outlets, 1 ...
Matt Martinez's user avatar

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