Questions tagged [generator]

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28
votes
10answers
11k views

Propane appliances throwing orange flames suddenly and generator's back firing

So here's the deal: about 1.5 to 2 weeks ago, our generator started backfiring like crazy and our cookstove, water heater and heater are throwing yellow orange flames intermittently as well as ...
20
votes
8answers
299k views

Can I backfeed a portable generator into my house's electrical system?

Is there a safe way to power my house using a portable generator? The power rating for the generator is 6kW, and I want to run my electric water heater (4.5kW) and my refrigerator (0.5kW) and possibly ...
12
votes
7answers
86k views

Can I plug a generator into a dryer outlet [duplicate]

I have an electric dryer with a 30 amp circuit running to it. If I had a male-male plug to run from a portable generator to this outlet, would it be safe to run essential appliances (water pump, ...
8
votes
3answers
2k views

How can I ensure portable generator success during a long natural disaster?

I live in the SF Bay Area. My house is blocks from the Hayward Fault, where a large earthquake is likely during my lifetime. Along with the usual disaster-prep things (water, food, etc.) I'm ...
8
votes
1answer
1k views

Is it reasonable to create a 30amp branch circuit for the purpose of feeding the panel from a generator?

I recently purchased an 8kW generator (Briggs and Stratton). It has a 4-wire twist lock outlet that can handle 30 amps. Suppose I were to: Run a 10/3 NM cable from the panel in the basement out to ...
8
votes
3answers
44k views

Are generator interlock kits permitted in residential applications?

There have been some questions on the site lately, that reference using interlock kits with portable generators. This has inspired me to read through article 702 Optional Standby Systems of the NEC (...
6
votes
3answers
9k views

What is a good generator for emergency backup?

So recently, during Irene, I learned that my car's lighter outlet was insufficient to power a sump-pump (hello, two inches of water in the master bedroom) Thankfully, the car's circuitry was fine but ...
5
votes
1answer
410 views

8500 W generator with L14-30 plug.. How to access full capacity for house?

As an emergency generator I purchased a Wpro8500 from Westinghouse. My house has a transfer switch and the wiring supports 240V 50A. The generator has a few outputs, but the 240V is a 30A. This limits ...
5
votes
2answers
3k views

Portable generator won't start

Cliched story, I know: I didn't use the generator (4 Stroke Briggs & Stratton) for a long time, and when I tried it, it wouldn't start. I'd pumped the gas out of the tank after I last used it, ...
5
votes
4answers
86k views

Can my generator power my deep well water pump?

I have a 120/240 volt generator with an output of 3250 watts peaking at 3750. I want to be able to power my well water pump but I'm getting conflicting answers on whether this generator packs enough ...
5
votes
3answers
319 views

How can I loosen a hard-to-reach square nut whose holder is broken?

I've been attempting to disassemble a generator at work to replace the starter cord. Being a suitcase-type generator, it's proved to be excessively painstaking. However, it's almost apart - I just ...
5
votes
2answers
5k views

Are the wires for my generator transfer switch undersized?

I purchased a Reliance Q510-C transfer switch to use with a 50 amp generator at my house. The transfer switch is rated at 50 amps. I have wired it into my main electrical box. I also wired a 50-amp ...
5
votes
2answers
5k views

Generator tripping GFCI breakers in main panel

I recently had some electrical work done on my home to bring it up to code - there was no GFCI protection in the kitchen or bathroom when we bought the house, so our electrician fitted GFCI breakers ...
5
votes
1answer
211 views

How can I check my generator to see if its ok?

I let a friend of mine use a 6500 watt generator that ran my house great, when he brought it back he said it was getting hot and stalling but could run 110 plug. He blew up lots of appliances, how can ...
4
votes
6answers
22k views

Can I connect a portable generator to a subpanel to backfeed my house?

I have a portable 6500 W generator. I have a main house electrical panel and a subpanel in my garage, which are on opposite sides of the house. My subpanel is on the outside wall of my garage. The ...
4
votes
3answers
67k views

Why won't my portable generator start?

With a storm bearing down on the mid-Atlantic US and robocalls from the local power utility warning of the possibility of extended power outages, I figured tonight would be a good time to check the ...
4
votes
2answers
285 views

What Good and Affordable Alternative Power Source Would You Recommend?

I am woking on a startup (read: using my computer always). 80% of the time, I generate my own electricity with a petrol/gas generator. On new years day, the Nigerian government increased the price of ...
4
votes
3answers
7k views

How can I shut off circuits when I have a generator with an automatic transfer switch?

We had professionals install a generator with an automatic transfer switch. I showed them our circuit-breaker box and told them which circuit numbers should be on generator power. Okay, everything's ...
4
votes
1answer
205 views

Can I retrofit a wind-power system for my home?

I live in a VERY windy place. My neighborhood is a new development of your typical suburban single family homes. There isn't really room for a full windmill, nor would it look very well. But there has ...
4
votes
1answer
2k views

How should I hook up my generator to a manual transfer switch?

I have a couple of questions about hooking up a generator to a manual transfer switch and I'm really hoping somebody with knowledge can help guide me here. The idea is I will have an exterior weather-...
4
votes
3answers
2k views

Will my wood platform support my generator?

I built a wood platform out of pressure treated lumber 6ft X 4ft 2x6 with beams every 16 inches and 2x6 deck. It is bolted into the house 2x10 on the 6 ft rear wall and carriage bolted to an existing ...
3
votes
1answer
3k views

using two outlets as extension cord

I'm helping a friend build a cabin and we have a generator. I was wondering if I could wire an outlet on the outside of the cabin and another inside. The outside outlet would be for power in and the ...
3
votes
4answers
2k views

Does “inverter generator” mean it is a “pure sine wave” generator?

I know that an inverter alone can be a "modified sine wave" or "pure sine wave", but the price difference is huge. Does this apply to "inverter generators"? When these companies market it as "...
3
votes
2answers
8k views

How do I troubleshoot my generator and transfer switch installation?

I recently mounted a 10 circuit Transfer switch and attached about half of the wires to the electrical panel. After I start and plug in the generator, some of the circuits work fine (well pump, which ...
3
votes
1answer
18k views

How can I get a standby generator with GFI to work with a 2-pole transfer switch?

I have a home standby generator that is equipped with a GFI, and my original electrician (who has long since flaked out on me leaving me in a lurch with this) installed a standard 2-pole transfer ...
3
votes
2answers
136 views

How do I relocate a generator inlet box?

From the images above, I have a 30 amp generator inlet that connects to a transfer switch. I’d like to relocate that inlet box to the outside of the house so that I don’t have to run my L14-30 cable ...
3
votes
1answer
83 views

1 generator + multiple ATSes: how can I install this to Code without unobtanium?

I want to supply standby power to both units in a separately metered duplex from a single permanently installed generator. The cheapest way to do this is a pair of bog-standard ATSes and a smallish ...
3
votes
2answers
194 views

Battery start for generator

We recently acquired a 20 year old Honda EM3500SX generator for use with a manual transfer switch when the utility power goes out. My wife would like to be able to operate the generator when I'm away, ...
3
votes
2answers
253 views

Efficiency of diesel generator running a geothermal heat pump

I'm looking at a 40KW (continuous) Kubota Diesel generator for whole house backup in a sustained power outage of a week or two. Everything in my house is electric, including the heat, and the house ...
3
votes
1answer
1k views

Proper way to plug in generator cord?

I recently purchased a Champion portable 5500W generator for use with my home's existing transfer switch. It has the familiar 30A L14-30R circular twist lock connector on it, that I use with a 40ft ...
3
votes
4answers
19k views

Why is my emergency generator hard to pull for starting?

My portable generator ran fine for 5 hours, then ran out of gas. I refilled the tank but now the pull is excessively hard and the unit will not start. I removed the spark plug and the pull was ...
3
votes
1answer
3k views

Should a generator transfer switch have continuity between all contacts in the “Gen” position?

I am finishing up installing my generator transfer switch today and I think I have a wiring problem... I have a six circuit transfer switch wired in with a power inlet box outside. Everything is ...
3
votes
1answer
93 views

adding new circuit to generator subpanel without a ground bar

I have a main Square D panel with a post-installed Generac (Siemens) subpanel with automatic transfer switch to standby generator. I want to add a new 15A circuit to the subpanel so I can move a ...
3
votes
1answer
46 views

Thoughts on furnace generator transfer switch install

I'm replacing my cast iron boiler for hydronic heating and domestic hot water in Massachusetts. Plans are to install a new Viessmann gas fired condensing boiler. Living in New England, it's not out of ...
3
votes
1answer
204 views

Offgrid L14-30 connector to solar generator

I have a small off-grid cabin in the woods that I recently purchased. The previous owner had a L14-30 generator connector installed on the outside of the cabin and wired it with normal 120v outlets 4 ...
3
votes
2answers
479 views

Using Power Curtailment Terminals on a Carrier Heat Pump to Shed Heatpump

I am considering installing a Generac 22kW whole house generator and automatic transfer switch. The transfer switch is designed to shed the Carrier Infinity heat pump if the start up load is more ...
3
votes
1answer
275 views

Is there a wireless way to cut off the HVAC y wire from my generator transfer switch?

I recently had a Generac Synergy generator installed, which went smoothly, however there was no good way to get the Y wire from my thermostat to the transfer switch and back in order to allow the ...
3
votes
1answer
841 views

Does a replacement propane supply line have to be made of a special material?

One of the propane rubber hoses in a portable generator has cracked and broken in several spots while the other one is in fine condition. As a stop gap a washing machine supply line was cut and used. ...
2
votes
2answers
97 views

How to operate generator transfer switch?

Our house came with a generator hookup already installed by a previous owner. How do I use it? Presumably I attach the generator to the 4-prong socket outside, and get it going, but what sequence of ...
2
votes
2answers
9k views

How can I plug my portable generator into a “wall outlet”?

Ok, before everyone starts immediately telling me "NO" let me explain. I bought a new house last year and the original owner had installed a brown wall outlet in the garage. Now, there are also 2 ...
2
votes
1answer
125 views

Can a switchover to backup power be seamless for a whole house?

We're contemplating a backup generator for the house. Most of them have transfer switches that kick in quickly, and automatically, but naturally the generator has to start, spin up, and stabilize ...
2
votes
4answers
124 views

120v house equipment with 240v generator question

Tornado took out power around here for a good while. Parents aren't here and I'm stuck with the task of hooking up a generator. I'm not savvy with this stuff very much at all. Here's the issue. The ...
2
votes
2answers
360 views

“power buffer” in front of generator for peak power shaving?

I need to do some work off-grid, and I only have a 1000W generator to drive my power tools, which easily draws twice that (and probably more when starting up) when cutting steel. Instead of getting a ...
2
votes
2answers
209 views

Can I power a two-phase home service with a single-phase generator?

It is hurricane season here in Florida, so naturally I pulled out the generator to check it and had a question. The generator I have says it can output 30amp single phase. Let's say you wanted to ...
2
votes
3answers
16k views

How to determine (not estimate) starting amperage of a motor?

I want to buy an inverter-generator to run my Trane heating system in case of a power outage. The Trane is on a 20 amp circuit. The sticker says it needs a minimum of a 15.2 amp circuit. My question ...
2
votes
2answers
3k views

What can I replace my generator's starter cord with that will last longer?

I broke the cord on my generator and I want to replace it with something stronger than typical rope. Does anyone have experience with another material?
2
votes
2answers
2k views

Did I damage the breaker by incorrectly wiring a generator?

During a power outage I attached my generator incorrectly (I have never done this before - I just was not paying attention). Anyway, I crossed the ground at the box with the black. When I turned on ...
2
votes
1answer
35k views

Generator carburetor problem, is it the float?

Hopefully this is an appropriate place to post: I had to use my generator today and it ran fine for about an hour but when I went outside to check on it, I noticed it was dripping gas from the ...
2
votes
1answer
43 views

Gronding requirements for standby generator

I'm installing a standby generator for my son's new home build and have questions about grounding, bonding the genset. We are installing a Kohler RXT 200 amp transfer switch between the meter base ...
2
votes
1answer
138 views

Wiring generator to shed panel

I purchased a pre wired shed that has a small panel in it. The panel itself has a single bus bar for neutral and ground, and two hot rails. Currently all the circuits in the shed have ground and ...