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resistance

  1. General Electrical Discussion
    I recently purchased a fluke insulation tester. (1507 is the model number, I think.) I tested some wiring today and I was getting about 550 megohms between the conductors using 500V test voltage. When I used 1000V test voltage I got 11.5 gigaohms. - I have very little experience using an...
  2. General Electrical Discussion
    I have a customer who said she has some wiring running under her home that has been chewed on by some little varmints. - I am wondering if anyone can tell me how I ought to test these wires to make sure they are safe. (I am not able to do a visual inspection as they are located in an...
  3. General Electrical Discussion
    It seems that the heating elements in water heaters and other equipment are hardly ever rated for the same voltage that is available. The elements are rated for a specific wattage, but this is at a given voltage. In reality, the elements all have a fixed resistance. The wattage depends on the...
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