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Questions tagged [power-backup]

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Help me understand how well/poorly this portable power station might meet our needs. In a place where power outages are not uncommon, and we do not have a generator, I'm trying to decide whether to ...
nuggethead's user avatar
  • 2,021
5 votes
2 answers
201 views

After an upgrade to my home's solar array, transformers in three devices in the home began physically humming: A transformer for the lighting in the kitchen range, a transformer in an audio amplifier ...
GrowlTiger's user avatar
4 votes
2 answers
139 views

We have a new 200 amp service, with a new meter box and service disconnect on the exterior of the house. Directly behind the meter box is a new larger 40 spot sub-panel. We want to install a generator ...
BMC's user avatar
  • 41
0 votes
0 answers
59 views

I installed a pow-hvm3.2h-24v-n. It works ok without main but when main appears, Inverter does not recognize it. I did voltage measurements before and after the breaker and there was 240 V in both ...
Car394's user avatar
  • 1
2 votes
0 answers
504 views

A while ago I asked about backup battery power for a primary AC sump pump Is this 12V battery backup set up correctly for a 120V sump pump? That and other questions make it clear to me that using a ...
cr0's user avatar
  • 1,996
1 vote
1 answer
473 views

I am preparing to finish my basement and as part of that, finishing the electrical. Looking to see if the Manual Transfer Switch (MTS) generator panel as I have proposed to use it works. The main ...
JGrant's user avatar
  • 11
0 votes
3 answers
917 views

I'm trying to decide on which of three possible paths to take for building a backup system for my two sump pumps. Here's the use case based on a flood event from last year. My property has a high ...
5280Angel's user avatar
1 vote
2 answers
678 views

I'm trying to replicate the battery backup setup described in this video and in text below. I'll state what the video demonstrates, then share the parts and plan I have. I'm looking for input on how ...
cr0's user avatar
  • 1,996
3 votes
1 answer
119 views

My uncle gave me his old 1000w portable power station. I already have a Bluetti SP120 portable solar panel that has mc4 connectors. I'd like to use this to the power station. I tried googling it to no ...
Christian Burgos's user avatar
2 votes
3 answers
914 views

Looking to replicate this: https://www.amazon.com/dp/B001PB7UVA My reasoning is that there is a UPS battery backup in the basement that can't be moved upstairs (for wife reasons), but needs to provide ...
Tim's user avatar
  • 31
0 votes
2 answers
2k views

we live in rental home in Menlo Park, CA and we have experienced 3 power outages (lasting 36 - ~60hrs each) las winter. Normally, I wouldn't care too much since we can "deal with it" but we ...
lightweight's user avatar
0 votes
2 answers
2k views

I have a small roof that barely fits 12 panels, a row of 8 in portrait on top, and a row of 4 in landscape below. The 4 will get some shadow on the bottom for about 4 months of the year, so they would ...
Louis Somers's user avatar
1 vote
1 answer
1k views

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
0 answers
332 views

Here's my situation. I have two HVAC units connected to Ecobee smart thermostats. Both have C wires and were standard installs. We are having solar panels and an Enphase backup battery system ...
kenyons's user avatar
  • 11
0 votes
1 answer
535 views

Can I use an EZ Generator Switch as a transfer switch with a Generac GB1000 battery and a gas furnace (Bryant 340aav). If so, should it be setup as bonded neutral or floating neutral (I'm guessing it'...
Felix's user avatar
  • 3
0 votes
4 answers
9k views

I have a 50 amp breaker and space to put it in my main panel. Can I use that breaker or do I need to use a 30 amp does it matter? I will install a main panel interlock switch and a 30 Amp Generator ...
Mike's user avatar
  • 1
0 votes
3 answers
2k views

I live in an area where power cuts are common. In order to protect my TV from the sudden power loss from a power cut, I am planning to buy a uninterruptible power supply (UPS). Most of the cost ...
AB2008's user avatar
  • 1
3 votes
4 answers
3k views

Our house is basically two houses stacked: each floor with its own load center located in the garage. The load centers for each floor are fed from two 200 amp main cutoffs located outside the garage ...
James Schlankey's user avatar
4 votes
6 answers
4k views

It occurs to me that it shouldn't take much power to operate the relays or electronics if a gas or oil heating system. That has me wondering about the practicality of putting that one device on a ...
keshlam's user avatar
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0 votes
1 answer
673 views

My home has a Connecticut Electric EmerGen Switch #10-7500 with a 4 prong 30 amp locking power inlet. I also have a Goal Zero Yeti 1500X Power Station (a lithium battery and inverter). Is it possible ...
daxelrod's user avatar
  • 115
0 votes
1 answer
1k views

I have installed the Luminous Inverter Battery (lead acid) as power back up for essential electrical appliances at home. There is not much electricity cut. I just want to be sure that I'm not ...
CuriousMan's user avatar
2 votes
2 answers
343 views

I recently installed a 3.6kw solar panel setup at home. I added an inverter and a 3.6kw battery. When I asked if that would work on case of a blackout the installer told me it won't - backfeed ...
Juan's user avatar
  • 161
0 votes
2 answers
1k views

I have a Reliance ProTran2 manual transfer switch plugged into my Bluetti AC300 battery backup system which has a floating ground. The AC300 is supposed to be used as a UPS backup system and pass grid ...
Leon's user avatar
  • 1
1 vote
2 answers
475 views

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 ...
amrog's user avatar
  • 359
1 vote
0 answers
359 views

I have a 5HP well pump that's paired to a Franklin Electric SubDrive Connect VFD - the unit converts input 240VAC single-phase into three-phase power (30hz-60hz). I'd like to put a battery backup in ...
atanamir's user avatar
  • 383
0 votes
1 answer
119 views

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 ...
L84Dnr's user avatar
  • 3
1 vote
2 answers
3k views

I want to hook up two 3kw inverter generators together to power my house in case of power loss. They only have 120V not 240V. How can I make this work while supplying power to all circuits 120V & ...
argentbear 's user avatar
1 vote
1 answer
519 views

I'm looking to setup an option for long-term power outages. Our house was built in the 70s and the circuit layout is nowhere near logical enough to be able to say "these 3 circuits need emergency ...
Drew's user avatar
  • 961
12 votes
1 answer
3k views

Im new here, and Ive learned alot from many of these posts, although I have not found my exact issue yet, so I decided to upload this. I have a question regarding my installation, if its safe, and if ...
Nate's user avatar
  • 123
0 votes
3 answers
503 views

I have a Generac Guardian 22kw hardwired in via an RTS switch. When the power goes out (and it does so fairly often) the generator kicks on automatically and there is barely a flicker in the lights. ...
Jafruech's user avatar
1 vote
2 answers
303 views

I have a main panel and a critical loads sub-panel fed by a PV inverter + battery backup. I need to avoid overloading the normal capacity in the critical loads panel (50A), and I'm already at a ...
jcoleman's user avatar
  • 617
2 votes
1 answer
4k views

I have a Takagi T-K3-SP tankless gas water heater, which is installed outdoors. It still needs electricity though, so when I lose power at home, there's no hot water. The manual states it uses 86W ...
K. Don's user avatar
  • 407
-1 votes
1 answer
199 views

Shortly after hurricane Sandy I installed a generator (Powerland PDU6500E), which kept me and the rest of the county without a major power outage since. With winter approaching yet again, I went to ...
Mikhail T.'s user avatar
-1 votes
2 answers
727 views

Scenario at my home: In my home, refrigerator, washing machine etc and other heavy duty appliances(16A current) and lights and fans are connected to the same power line. It was a mistake done during ...
Shashi's user avatar
  • 99
1 vote
1 answer
3k views

In a situation of temporary backup power (short-term grid outages), is it ok to feed both "sides" of a standard split-phase main load center from a single 120vac backup source (e.g. an inverter driven ...
RustyShackleford's user avatar
3 votes
2 answers
1k views

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 ...
Tito Valentin's user avatar
1 vote
1 answer
227 views

I want to switch power somewhere where power outage happens frequently from utility to inverter and back and forth kind of like a UPS without giving up on my inverter and what I already have.
Superhuman's user avatar
22 votes
4 answers
9k views

I’d like to run power from a Uninterruptible Power Supply (UPS) in ROOM A to where a work computer is used in ROOM B. I was thinking of installing an outlet box in ROOM A near where the UPS is plugged ...
staticGenerator's user avatar
2 votes
1 answer
571 views

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 ...
Gaia's user avatar
  • 145
0 votes
1 answer
134 views

I have two UPS 10kva 220 volt used for controlling system. I need one ups online and the other one as backup. If the Grid supply out the main ups pick up the load and if the main ups fail to do that ...
user avatar
0 votes
1 answer
8k views

I'm replacing my old thermostat due to issues with it somehow not staying at my set temperature. It's a Simple Comfort 2001, and I'm replacing it with a newer model, a Simple Clean 2001L. Both of them ...
BestQualityVacuum's user avatar
0 votes
3 answers
5k views

I see 20kW backup generators advertised for homes, but this seems like total overkill, or maybe my math is wrong? According to my energy bill I use about 400 kW hours of electricity per month. So, ...
Tyler Durden's user avatar
  • 6,971
2 votes
2 answers
1k views

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 ...
oligofren's user avatar
  • 307
1 vote
2 answers
4k views

I have a DeWalt DXGNR7000 generator with a bonded neutral. I’m okay with house wiring, the fine folks here on Stack helped me out with that. However, I know that these types of gensets create 60hz ...
Kerry Thomas's user avatar
0 votes
1 answer
2k views

I received a used DVR, which expects a power supply like this -- note the 4-pin connector. I want to feed the DVR and the cameras from a battery-backed system like this so that the whole setup ...
Mikhail T.'s user avatar
2 votes
3 answers
2k views

AC 240V location. My computer at home keeps restarting at the time of fluctuations and i loose all my work, this happens minimum once every day and some days more than 2 times. I have 1100va Microtek ...
user avatar
2 votes
2 answers
3k views

I have a 900VA/480Watt UPS/surge unit, and it doesn’t quite reach the wall where I need to plug it in. I'm using it to power an iMac. The unit has a 3x16 AWG cord. Is there any harm or difference, in ...
v15's user avatar
  • 551
0 votes
5 answers
3k views

I have a steam boiler (natural gas fired) and I'm wondering if I can safely use a small UPS to backfeed power to the boiler, in case of a power outage. I'm not sure how much total run time I'd get - ...
Jeremy's user avatar
  • 267
0 votes
1 answer
59 views

I am looking for a distribution graph of power outages. I am assuming the graph would show that the lengths are positively skewed. From this I would be able to determine how long to have my ...
Eric Johnson's user avatar
1 vote
1 answer
2k views

I am trying to wireup a UPS (old one bought for my PC once) to power one of my ceiling lamps so it works as an emergency light. (Stupid idea? Yeah? :P) But since the ceiling lamp wiring is already ...
Ε Г И І И О's user avatar