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  1. Tha fios agaibh

    Boost AC circuit

    Don't do it or you'll be replacing your motors. Who the heck installed 2000ft of wire without making sure it was the right size? Even with stepping up to 480v, your 12awg wire is too small to run both motor at once. You could run the 1/2hp well pump with your existing wire and interlock the...
  2. Tha fios agaibh

    Boost AC circuit

    ± Cnc manufacture or machine tool specs are not relevant here. This installation is governed by the national electrical code which does not stipulate a maximum voltage drop, although it recommends no more than 3% for branch circuits. I know of no machine tool standard for voltage drop of supply...
  3. Tha fios agaibh

    Ceiling fan speed transformer

    Yes, bluejets already pointed this out although I'd prefer to call it a tapped inductor.
  4. Tha fios agaibh

    Boost AC circuit

    What industry standard is that?
  5. Tha fios agaibh

    Boost AC circuit

    Wire size is way too small for a run this far. 1/2 hp motor full load current is 4.9a and1/3hp motor is 3.6flc with 12awg wire (.00198 per ft) it would be a voltage drop of 63volts at that distance. For both motors on the same branch circuit you would need 6awg wire. You could get away with #8...
  6. Tha fios agaibh

    Not really a repair, but some help going in the right direction appreciated

    This was not wired by the factory. The lugs are the wrong size for the wire. Someone crimped them with a pair of plyers instead of proper sta-kon lug crimpers. That jumper wire held on with a zip-tie, looks like stainless steel wire that's usually not used as a jumper like that. It's possible...
  7. Tha fios agaibh

    Please Help Water Pump Issue

    Never jumper out a breaker or a fuse. It is extremely dangerous. There is a lot of corrosion and poor connections that's part of the problem. Water has likely infiltrated the motor and may have caused bearing problems. I'd try separating the motor from the pump. From there you can try manually...
  8. Tha fios agaibh

    Please Help Water Pump Issue

    It was working fine for how long? Has anything else changed, such as changes to the water system that would increase the work it does? The increased load will mean increased amperage. It could be a blockage in the piping or something like that. Take a amperage reading with a clamp on meter and...
  9. Tha fios agaibh

    Videonics MX-Pro MX-3000 power supply

    How about this...
  10. Tha fios agaibh

    Not really a repair, but some help going in the right direction appreciated

    I agree that broken wire is likely a problem but it definitely doesn't look original. I don't see anything on the top side. Was this just jumpering out the two contacts?
  11. Tha fios agaibh

    Videonics MX-Pro MX-3000 power supply

    Try ebay
  12. Tha fios agaibh

    Not really a repair, but some help going in the right direction appreciated

    Are you sure it isn't dual voltage motor, and why is it apparent its been wired for 220v?
  13. Tha fios agaibh

    Subwoofer repair - RCA cable shorted in and out then it just stopped working.

    Picture link doesn't work. Please post a picture of your cat. I'd like to know how fat a cat has to be to destroy a RCA cable. Replace RCA cable with a new one, and put your cat on a diet.
  14. Tha fios agaibh

    Help with modification of radio Sony ICF-SW35

    May I ask a schematic question? I see jumper wire symbols labeled JWxx, but what does JCxx stand for? Sometimes it's helpful to see the stereo indicator light to confirm your locked onto a distant station. At times you can be tuned to the edge of a frequency and the stereo flickers in and out...
  15. Tha fios agaibh

    Beginner questions on wiring lights to speaker

    I wouldn't use a relay because they are very slow at opening and closing compared to the AC signal you'll have coming in. So the relay may just chatter a lot instead of switching on. A SCR might be a better option. You can do it with a relay if you want, just not directly.
  16. Tha fios agaibh

    Fitting resistor into lighting ring to stop flashing

    The problem is that these timed switches don't draw their power conventionally from line and neutral, instead they derive their power from being the open portion of the circuit and rely on the continuity of the load. So when the light turns off, a parasitic load from the timer switch acts like a...
  17. Tha fios agaibh

    Ceiling fan speed transformer

    The neutral connection from the cable must be landed somewhere, although it's not used by this device. I suspect the blue (N) from each cable are hooked together.
  18. Tha fios agaibh

    Ceiling fan speed transformer

    Ok, I see one cable on the top coming through the surface raceway, but I can't see where it goes. Then another below the rotary switch. I'm just used to seeing (on this side of the pond)a terminal strip with L, N and ground grouped together. It appears the neutral connection in this case is...
  19. Tha fios agaibh

    Ceiling fan speed transformer

    The odd thing is there should be a Neutral (grounded) terminal next to it. There is a possibility that L is for light if it has one attached. I wouldn't guess at this. I only see one cable. There should be one for line power (mains) and one for the load (the fan)
  20. Tha fios agaibh

    Ceiling fan speed transformer

    Sorry, I can't see enough of actual circuit to say for sure. Normally, a fan rated dimmer is used in place of the wall switch. This is located on the fan itself, or the wall? the cable is coming from the fan load itself, or the household circuit? What is the fan voltage, 240v?
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