input

input

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  1. I

    UK Does my UPS need a dual input supply?

    Hi everyone, For a UPS serving as the secondary supply for life safety loads in a residential building (such as a fire fighting lift and sprinkler pump), would a dual input be required as shown in the photo below, or is a single feed sufficient?
  2. Electrical2go

    Electrical2Go - Beginners Guide to Positive Input Ventilation (PIV) Units: A Solution to Indoor Air Quality Woes

    Electrical2Go - Beginners Guide to Positive Input Ventilation (PIV) Units: A Solution to Indoor Air Quality Woes A guide to Positive Input Ventilation Units In the pursuit of energy efficiency, our homes have undergone significant changes in recent years. Double-glazed windows, loft, and...
  3. V

    Is This an Audio Input Box?

    I recently purchased a vacation condo and found this box back behind where the tv goes, next to a coaxial outlet. Never seen one before, and haven't been able to find it on a google search. There are 4 sets of small bose speakers in each corner of the room so wondering if it is for those, but...
  4. K

    voltage reading on the output AND input of the solar panel battery controller?

    any idea why do I get the same voltage reading on the output AND input of the solar panel battery controller?
  5. LouiseSJPP

    Near off-grid system: question on grid input

    My little house in Spain sits in the forest and has a little wire from the electricity supplier, 20 amps max. It's a fragile link, caught up in trees which fall down regularly. I'm planning to renovate this house with lots of PV on the roof, and make it is independent as I can of the grid...
  6. Helloworld88

    Needing Input - Major renovation planning.

    Hey All! Living here is Sunny SW Florida and loving it. Getting ready to do some kitchen remodeling, which will have us upgrading our electrical panel. Since we are doing this, we are also considering installing an exterior Main Shutoff and Bypass out by the Utility meter for a couple of...
  7. K

    Relay 220V 2 input and 1 output Question

    Custom hot tub with a spa pack controller. Everything is 3 wire (red, black, white) 220V. Everything is grounded with lugs. Goal: I have two jet pumps and one air blower controlled by the spa pack. I would like to use a relay system to prevent the air blower from turning on unless one or...
  8. tylarius1

    wire diagram for leds 2 input 1 output

    hi, I want to install leds that turn on from door open which is a negative switched signal ive already checked and to stay on after car is switched on. so basically if door is open/ ON if engine on/ ON if door open and engine on then/ ON doors closed engine off/ OFF by engine on i mean as soon...
  9. M

    Generator input Breaker

    I recently purchased a Natural Gas generator and was prepared to purchase a transfer switch, when I learned that my new generator has a bonded neutral, and that this particular manufacturer, Firman, does not allow you to disconnect the neural (modification voids warranty). I decided to purchase...
  10. C

    New Here - Big DIY Project and looking for input.

    New to the community. I installed DC mobile electronics in vehicles back in the late 90's & early 2000's, and have done my share of small home AC projects. I'm ready to start on a new big project and would love some professional input. It's a combo solar/generator/battery/grid mobile power...
  11. F

    electricity issue - problems with LCD monitor - input lag

    Hello, at first sorry for my english, its not too good but i think you will understand what i say.. I am writing for me and tens of people which i met on forums.. This problem killing mind, just listen please.. I am fighting for 5 years with heavy input lag in all games,desktop.. Symptoms...
  12. A

    The weirdest problem you have ever heard: slight input voltage increase seems to affect my pc performance drastically

    So for the longest time I had issues in this location while gaming. I am on a second pc build that exhibits the same weirdness that made me actually quit playing Fifa though I loved the game. To use a simple clear example of weird behaviour, a game like Rocket League (maybe some have heard of...
  13. H

    how would i calculate resistance using Vcc, input impedance and logic-high threshold?

  14. M

    ABB ACS880 - INPUT PHASE LOSS (FAULT 3130)

    We are using ABB ACS880 for rootsblowers, when the drive is in REMOTE MODE, after running several minutes the drive will trip the equipment indicating FAULT 3130 - INPUT PHASE LOSS. When we run it in LOCAL mode, we are having continuous operation. We need it to be in REMOTE MODE so we can...
  15. Sojournerjohn

    How to hard wire phone USB station to DC input

    Hi, This is for my yacht. Has DC power supply. I’m wanting to hard wire a phone /pad/tablet USB station to DC input. The unit currently is AC input with internal adapter.
  16. S

    Alternative dimmable transformer with dual input

    Please help! A number of my mother's lights in her kitchen are no longer working and I suspect the transformers need replacing as I had a similar problem in our kitchen that I fixed by changing them. I took a couple of her spotlights out to see if she could use the same transformers as I have...
  17. B

    Auto selecting DCDC charger input

    Hi guys, I have a strange situation where I am designing a system for my mother's motorhome. I want it so she doesn't have to change any wiring while on the road. I have a 12v LiFePO4 battery bank in parallel, and will connect it to a DCDC charger, which will connect to the alternator for...
  18. D

    Hi from New York! Dpelito here. Hope to learn and input help as well.

    Hi from New York! Dpelito here. Hope to learn and input help as well. Source URL: The Welcome Forum - https://www.electriciansforums.net/forums/the-welcome-forum.19/
  19. C

    Servo Drive burning out encoder input.

    Evening, we have a machine (being deliberately vague) it has a main motor, which is driven by a VFD, on the spindle of the shaft driven by the motor is a rotary incremental encoder, something like 1000 pulse / revolution. This encoder controls a Servo Drive which drives a small motor for another...
  20. I

    Electrical Input for Digital Piano

    I just moved back from the USA with a digital grand piano. The sticker near the plug input has 130v so I was looking to install a transformer. I opened up the lid and the transformer inside has the attached sticker so I assume its good to plug straight in but want to confirm with other...

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