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power supply

  1. CCTV power supply amperage question

    Hello, I want to run 8 CCTV cameras and 8 motion LED lights from one 12V 20A power supply. My cameras are rated as 500ma and the lights are 850ma. I will have eight wires coming off the power supply. Each wire will be running one camera and one light. I am using a Y splitter to split the power...
  2. Looking for an electrical booster

    I am trying to build an off grid power supply combining solar and wind. I would like to add a coil or something to boost the power created by the solar panels. Does anyone one know of 12 V or 48V coil that would increase electrical output? I need to run 8, 220 volt irrigation pumps, house...
  3. Humidifer Power from Lennox Furnace

    My Aprilair 600m humidifier does not have its required 24V power. I have wired it as described on the Lennox SL280UHV furnace schematics (Humidifier to "C", other wire to HUM1 contact, HUM2 contact to "R"). I can not control humidity from my iConnect thermostat, but it does sense it. The best...
  4. How long is too long for an LED wire between power supply and Led strip?

    Hi, I have a 12 volt led circuit. I have a 10 watt led strip but plan to add many more. The power supply is going 40 feet from the actual led strips. The led strips are each a meter a piece. I am not worried about voltage drop across them. I am not sure which power supply to get or how a...
  5. Does these power supplies match?

    I need to replace a damaged 24V DC power supply for a water pump. The PSU's specs are: Input: 100-240V~ 50/60Hz 2.5A Output: 24V = 5.0A Can I use a power supply with the following specs, even if the input amps rating does not match? Input: 100-240V~ 50/60Hz 0.3A Output: 24V = 5.0A...
  6. How to convert 12VDC to 9VDC

    General DIY Discussions
    I need some power supply DC Voltage conversion expertise PLEASE.... I have 8 Canon digital cameras EACH requiring a 110VAC to 9VDC 2A Power Supply. That takes up a ton of space with all these supplies. I want to find or modify a single power supply to power all 8 cameras, maybe even 9...
  7. Resheathing round power meter, what should I do?

    I'm resheathing and siding my house and I'm not sure what I should do around where the electrical comes in, it looks like the original sheathing was put under the power meter which will make it hard to tear off the old stuff. Or should I have an electrician (or power company) come and pull it off?
  8. DC Gear Motor Operation

    I just bought a DC gear motor- I'm trying to spin a 20 pound disk at approximately 33 rpm. I realize I need to hook it up to a power source, but I'm having trouble figuring out the proper source. I'm not too keen on buying multiple 12v batteries and connecting them, also, I've heard something...