Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [power-backup]

58 questions
22
votes
4 answers

Getting UPS Power from One Room to Another

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 in, then run wire under the house to another…
staticGenerator
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12
votes
1 answer

Can a Backup Generator SubPanel Neutral be tied to the Main Panels Neutral bus, if both panels are energized at the same time from different sources?

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 I were to have the generator running whilst the…
Nate
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5
votes
2 answers

How can I mitigate device transformer hum caused by solar equipment?

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 in my home entertainment system, and a…
GrowlTiger
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4
votes
2 answers

Can I move the inlet ground and neutral to the main disconnect?

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 inlet because we live in an area that may lose…
BMC
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4
votes
6 answers

Electric backup just for heating system?

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 transfer switch so it could be run from generator or…
keshlam
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4
votes
2 answers

Could I use a UPS to power my humidifier on an underrated breaker with a little trickery

I recently bought a house with really nice hardwood floors, but the builder didn't put any thought into installing a humidifier system. I'm now looking into my options and steam humidifiers seem to be the highest output solution, albeit overkill. …
Jake
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4
votes
2 answers

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 petrol/gas by 120%, instantly doubling the cost…
OoTheNigerian
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3
votes
3 answers

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 is, how do I determine (not estimate) the surge…
Yehuda_NYC
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3
votes
2 answers

Solar panel: Current-related question

I found a solar panel rated 9v, 70mA. I want to use it to create a power backup for a 9v, 1A router. Is this possible?
user1649
3
votes
1 answer

What's the proper cable to connect this power station to a solar panel?

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 avail. I also tried google lens and it didn't…
Christian Burgos
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3
votes
4 answers

Trying to power two panels from one generator

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 under the meter. Neither inside panel has a main…
James Schlankey
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3
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2 answers

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 from the generator through an open door or…
Tito Valentin
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2
votes
1 answer

Solar powered charger for laptop

How do I build a solar powered charger for a laptop with dc rating 19v, 3.42A? I'd also prefer to use some other batteries to store the electricity? How can I accomplish this?
user1649
2
votes
0 answers

Is a LiFePO4 battery safe, reliable, and efficient to use with a DC backup sump pump?

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 secondary DC sump pump is a more efficient, safe,…
cr0
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2
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3 answers

Replicate "Behind Wall TV Power" - Idea or Explosion?

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 backup power to 3 devices upstairs (modem,…
Tim
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