Questions tagged [generator]

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Power to Electrical Panel in Shed

We bought a storage shed that is wired with outlets and an internal light/switch running to the breaker box. Attached is picture of the breaker box in the shed. This panel will only be powered by ...
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Portable Generator with Manual Transfer Switch Troubleshooting

When I hook up a generator to my house via a transfer switch it does one of the following: Trips the main breaker on the generator immediately. It does this when the generator is neutral bonded. Or, ...
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3 votes
1 answer
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Bonded neutral generator - connecting to house and removing bond in main panel instead of within generator

When connecting a generator to a house, since it's a bonded neutral generator, I was told that I need to first remove the bond within the generator since there's already a house bond. I was going to ...
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3 answers
101 views

Two main panels? One generator to power them all!

I believe I have two main panels that feed from one service line coming from the street. My assumption is they split the wire inside the wall with correctly sized wires to accomplish this (See older ...
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1 answer
71 views

How to wire a Generator 4 prong 30 amp 230 volt male to 3 prong 30 amp female or open wire

I've searched for 3 weeks looking for a simple answer. warning after warning about how dangerous this is. Still no answer. I have a generator that uses a 4 prong 30 amp 230v female plug. I am only ...
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What are specs for pipe to install between two concrete slabs connecting a generator to a propane tank

I live in the desert outside Palm Desert in a rural flat area (everything is sand). I am adding a generator and a propane tank behind my house (15' from back of house). I am doing my own concrete for ...
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1 vote
2 answers
81 views

Sizing generator based upon the NEC calculation

What size generator would you guys recommend for a 73amp load calculation? I read that a generator should run at 80% of max amperage. Generac has a 24kW (87amp on natural gas) and a 26kW (93 amp on ...
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1 answer
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Can I run a home run to the main breaker in an attached building with a subpanel?

I'm working with an installer on a solar system that can power essential loads when the grid is down, and this requires moving all essential load circuits (refrigerator, boiler/furnace, etc) to a new ...
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1 answer
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Running 240v generator inlet and 240v house power outlet in the same conduit?

I'm simultaneously installing a 50A NEMA 14-50 outlet in the garage (for ev charging) and running a line for a portable generator from just outside the garage, back to the panel. I'll be using PVC ...
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4 votes
1 answer
143 views

Enabling heat-pump load shedding when running on generator power

I electrified my heating system by replacing my air conditioning condenser with a heat pump. I hired a contractor to install a Trane variable speed heat pump and matching air handler. The air handler ...
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Alternative gen interlock needed [duplicate]

I’m installing a 60a sub panel in the garage to feed a car charger and serve as the tie point for a portable generator. The garage is on the other end of the house so I only want to pay for 1 cable ...
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2 answers
133 views

Trying to practically size a generator

I am trying to size a generator by measuring power from the breaker. I would to get some advice from you guys on my plan. I put an A/C clamp around both the cables from each terminal wire ("red ...
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1 answer
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Re-use existing 10-2 wiring run for generator interlock, AND feed both legs of panel?

Following on this question, I am in a similar situation, but with a few different details: I currently have 125A utility electrical service to my house, feeding an outdoor Square D Homeline panel. ...
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0 votes
1 answer
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Seeking Wiring Schematic or owners manual for my 1977 RV 4000 Watt Onan Generator model: 4NH-3CR/12014D

I'm have trouble getting my Onan Generator that I acquired about a year and a half ago to run. It turns over and had an exceptionally weak spark. The coil seemed to be okay and the plugs and wires in ...
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3 votes
1 answer
266 views

Generator automatic transfer switch + main panel not configured as sub panel

I bought a house in Massachusetts (USA) that was built around 2009. It has a generator with a service rated automatic transfer switch (ATS) connected to a main panel that is set up as a main panel (...
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2 answers
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I have a 8000/5000 watt generator with 20 amp/240 4 prong . Can I upgrade it to a 30amp/240?

I have a 8000/5000 watt generator with 20 amp/240 4 prong . Can I upgrade it to a 30amp/240 ?
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How do I replace a generator's 4 pin socket with a 3 pin socket?

I acquired a Briggs & Stratton "Storm Responder" 6250 watts, 8500 starting watts 1850-series 425cc generator. It´s American. I now live in Spain - were 240 volts as normal. The generator ...
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Connecting a 5 gallon BBQ propane tank to a larger 250 gallon tank

I need to keep my propane fired generator going during a power outage. My main supply tank is running low and I want to know if it’s possible to connect a smaller BBQ tank to the larger one to keep ...
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3 votes
1 answer
244 views

House generator with 4 prong female end

Our home is wired with a female end for a generator. All generators have female ends for plugging things in. Can you get a male-male adaptor to connect the generator to the house? If not what is the ...
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2 votes
2 answers
189 views

What are benefits of a subpanel over pre configured 6 , 8 or 10 circuit Transfer Switch Kits? which one is better for Portable Generator?

I am planning for a Generator based power back up. Need to have the back up to run the sump pump in case the there is a power outage in Spring when the snow melts making water flow in my sump pit and ...
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2 votes
2 answers
67 views

Why might a circuit panel have limited capacity on the labels but full capacity in its hardware?

I am making a breakout box for my portable generator's 120/240 outlet. It is a small GE Powermax load center with added outlets in attached metal boxes. (I will be adding the extra ground bar for ...
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Can I use an inlet with a 5-15R plug to connect a 120v 20A generator to a transfer switch?

I got a pretty modest generator in case we lose power this winter and I'm learning a bit about limitations of power, running the extensions, etc. I'd like to wire up the house with an inlet and a ...
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2 votes
2 answers
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how can a generator inlet peacefully co-exist with grid-connected solar?

I have a small grid-connected solar PV system. If it is connected to my main load center via a two-pole breaker, how can I safely add a generator inlet to this system ? The usual method is to ...
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0 votes
1 answer
119 views

Generator - bonded neutral connecting to house

I have a bonded neutral generator that I plan to hook up to the whole house using a 50A cable which includes a ground wire (Conntek TES1450-20). I understand that in theory I should first modify the ...
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Generator Stator Cover Purpose

I recently purchased a generator and upon receiving it, and comparing it to the picture on the box, removed the black stator cover. Did I do something I shouldn't have? Is the stator cover necessary, ...
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2 votes
1 answer
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Generator hookup

I am looking to install a portable generator for supplying some things when there is a power outage. I have my main panel outside and a sub panel inside. The breaker at the main panel suppling the sub ...
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0 votes
1 answer
59 views

wiring portable generator to home service panel

I have a portable generator neutral bonded to the frame, I use a 4 prong twist lock extension cord plugged into a 4 prong inlet which is wired to my 200 amp home panel green wire to ground bar white ...
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1 vote
1 answer
95 views

Dual fuel generator - using natural gas on propane input

Instead of using a conversion kit to make a generator be able to take natural gas through the gasoline side of it (e.g. Nash Fuel or Century Fuel Products), is there a way to feed natural gas in ...
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2 votes
1 answer
50 views

30a outdoor generator inlet box to transfer switch

I have a 8K watt running (10k peak) tri fuel generator with a cord to a 30a inlet box, which is on the exterior of my home. Can I run a single 35ft run of UF 10/3 straight from my inlet box to the ...
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1 vote
1 answer
39 views

New Panel + Generator Sizing and Interlock

I am (finally) looking seriously at a backup generator for my house, plus panel replacement. Current panel is 2 fuse boxes + an 8-space breaker panel (installed with kitchen upgrade in 2000). Rule of ...
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1 vote
2 answers
66 views

Will installing a home generator (Generac) use blank spaces in my breaker box?

We are getting a generac generator installed in a few months. Does anyone know if it uses any of the circuit breaker spaces that we have left? We are getting close to using all the circuit breaker ...
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2 votes
1 answer
261 views

Single phase 240V generator hooking up to whole house

I'm considering a portable generator which provides 240V power to run both 240V and 120V items in the house during an outage, but it says the generator is single phase. Is this correct for what is ...
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1 vote
2 answers
118 views

Connecting portable generator to house 30A to 50A inlet

I have a floating neutral inverter generator (low THD - Firman model WH02942) with a TT-30R female receptacle that I'd like to connect to a L14-50 male inlet on our house (GE model T050N). I was ...
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0 votes
0 answers
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Wiring a transfer switch for a generator

I bought a 12500 W generator and I am shopping for a transfer switch. My question is this: On my main 200 amp panel I have a 50 amp subpanel which i would like to wire into the transfer switch. Is ...
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0 votes
1 answer
252 views

Transfer switch- only connect hot lines for circuit

I have a Generac automatic standby generator with a 8 circuit transfer switch. I was wondering if because the neutral bars in the main breaker panel are directly connected to the neutral bar in the ...
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2 votes
1 answer
377 views

Generator Hook-up to Main Breaker Panel

I would like to add 240V/50A infrastructure to support a portable generator for power outages. I’m planning to buy a Westinghouse WGen1200DF, 15000/13500 Peak Watts and 12000/10800 Rated Watts (Gas/...
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0 votes
2 answers
420 views

How do I connect a sub-panel to a generator transfer switch?

Our house currently has a transfer switch to our main panel. Our barn has a subpanel that houses our electric fence and more importantly, well pump. As of right now, the transfer switch does not ...
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-1 votes
1 answer
42 views

Install battery on honda generator?

I have a Honda generator and I want to install the battery. Somebody else took the old battery out, so I don’t how they did that. The problem is that I only see a gray cable, a black cable, and a ...
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1 vote
1 answer
243 views

Gen on backfeed breaker won't power GCFIs

I've been doing research online to try to help me narrow down things. Here's what I've got: I bought a small (3500W) generator with a floating neutral. It has a 120v 3wire TT30 receptacle. No special ...
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0 votes
2 answers
529 views

To use any generator with the house inlet, may one leave the generator ground wire unconnected in the inlet?

tl;dr: To facilitate using any generator with the house inlet, regardless of transfer switch type or generator neutral-ground-bond status, may one leave the generator ground wire unconnected in the ...
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0 votes
2 answers
76 views

Can 2 different portable generators be wired to off-grid cabin's single panel - not used simultaneously but rather one or the other at different times

We have an off-grid cabin. Currently we have a Champion 7500 watt dual fuel generator powered with propane that is connected by a 120/240v cord directly into the cabin's electrical circuit panel. The ...
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1 vote
1 answer
294 views

Does my generator interlock require a ground rod?

I will back feed the main panel of my home with the portable generator, power inlet box and breaker. The schematic for the generator shows that neutral is connected to the ground inside the generator. ...
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Electrical Back-up Solution

I have a 350 Watt appliance that I need to run pretty much continuously. An electrical outage of a few seconds isn't a problem but more than a minute or two becomes an issue. So I need a back-up ...
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0 votes
2 answers
2k views

Rewiring a 4-Wire Generator Wire To 3-Prong Generator Plug

We have installed a generator fallback, so that we can switch between using city power and generator power. The cord socket that I we have to connect the generator to the house power-grid is 4-prong ...
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0 votes
1 answer
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How should I connect a power inlet box for a portable generator? [closed]

How to wire Generator Inlet Power box 50 amps in Main Panel? There is no Ground busbar in the Main Panel, only Neutral busbar bonded to the Ground which has mixed connection of Neutral & Ground ...
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2 votes
2 answers
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What does it mean to "flash" a generator?

My gennie stopped putting out power this weekend. We had a power outage for couple hours so I ran the gennie. Started out like normal, ran the house fine, but after a while even though the engine was ...
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2 answers
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Wiring a 100 Amp Transfer Switch to main panel

I have a 100-Amp 240-Volt Outdoor Non-Fused Transfer Switch and would like to wire it to the main panel outside. My main panel has 3 breakers (Oven [25 Amp], A/C [50 Amp], & House [100 Amp]) my ...
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0 votes
0 answers
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Portable generators - high THD (total harmonic distortion) ways to solve

I was looking at portable generator options and it seems like very few have THD below 5%. Is there a good (and reasonably priced) approach to cleaning up the power by using some sort of power ...
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1 vote
1 answer
224 views

How to install generator inlet box with my current house setup?

Attached are the photos of my outside “main” panel and the sub-panel inside my garage.  The panel outside in backyard (main) does not have a standalone breaker “main” breaker. It is inline with the ...
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1 vote
2 answers
2k views

50-amp inlet able to be used with 30-amp generator via adapter?

I'm thinking of putting in an inlet box so as to be able to use a generator if the power goes out (with interlock too for safety). I'm not sure what generator I'm going to get yet, but would like to ...
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