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Questions tagged [generator]

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20
votes
7answers
283k 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
76k 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
3answers
39k 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 (...
7
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 ...
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
2answers
2k 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
3answers
74k 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
211 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
1answer
210 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
2answers
283 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
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
1answer
201 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
3k 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 ...
4
votes
1answer
1k 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
6answers
19k 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 ...
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
3answers
6k 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 ...
3
votes
2answers
7k 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
17k 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
49 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
2answers
199 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
902 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
15k 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
155 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
452 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
257 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
779 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
7k 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
2answers
258 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
3answers
104 views

Legal requirements for generator installation?

I would like to have a standby generator installed for my house. Based on my own assessment of our electrical needs, along with my desire to have a slower-running generator to reduce noise, and my ...
2
votes
2answers
92 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
12k 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
2k 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
32k 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
73 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 ...
2
votes
1answer
53 views

Natural gas line sizing with generator addition

I am looking at installing a standby generator that uses ~320cfh of natural gas. My utility company said I will have to have a bigger meter installed as I already have ~250cfh of potential usage with ...
2
votes
3answers
274 views

Why won't my furnace complete the startup sequence when powered by a portable generator?

We recently had a power outage that lasted several days and the house was down to 41 degrees and expected power restore was several days in the future. I purchased a 3500 watt (5250 starting watts) ...
2
votes
1answer
945 views

Generator RCD trips after startup

We currently have a renewable power system (solar, hydro and wind sources charging a 48v DC battery bank) connected to an inverter, which in turn supplies 230V power to a house. Due to the lack of ...
2
votes
1answer
88 views

How much upkeep for portable Tri-Fuel generators

A PM site says whole house generators need considerable upkeep: "After 24 to 48 hours of continuous use, get it serviced, installer ... says. After around 10 days, have a professional change the oil ...
2
votes
3answers
4k views

Why won't my new powerstroke 5kW generator start?

I purchased a power stroke 5,000 watt generator about a year ago. Only recently there have been some power issues in my area, which made me decide to take it out and get it ready. I purchased new gas &...
2
votes
4answers
16k views

What do I do with the neutral and ground when wiring a transfer switch?

I know there are a lot of questions about wiring a generator to a home electrical panel, but I can't find the answer to the questions that I have. I would like to wire a generator that has the ...
2
votes
1answer
66 views

Connecting 240 volt generator to Main Panel

I read previous posts that explained that the Sub Panel has a separate connection for ground and separate for neutral, while the Main Panel does not separate the ground & neutral - this is exactly ...
2
votes
2answers
91 views

Can I use a generator with a bonded neutral with my interlock switch?

My house has a separate electrical panel w/interlock switch for my generator that was installed by an electrician. I've used my current generator fine but am looking at a new one. I'm confused by the ...
2
votes
1answer
91 views

I have a buried wire for a generator in my shed. Is there a safe way to reverse the feed to power the shed?

My current setup: Main panel has 60A 240 breaker that feeds Generator subpanel which has 10 circuits on it. The Gen Feed to the subpanel comes from buried 10-3 in my shed. That works well for running ...
2
votes
1answer
71 views

Should I Ground a Generator Powering an UPS?

My inverter generator's manual states that "If this generator will be used only with cord and plug-connected equipment, National Electric Code does not require that the unit be grounded." I am not ...