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  1. General DIY Discussions
    Hi, Newbie here. I have a question I hope someone can help me with. I have a burnum oil fired boiler with hot water baseboard radiators, circa mid 1970s. When I bought the house 17 years ago, the radiators banged a little when the circulator pump came on. I bled everything and the banging...
  2. Electrical
    Hi, First, thanks in advance for your assistance in helping me understand the following question that has me perplexed. Suppose there are two wires, A and B, a DC power source, and a light bulb. Suppose both wires A and B have zero (0) voltage difference between them and the ground of the...
  3. Electrical
    If I Google "electrical theory on audio books" I get lots of hits but none seem to be what I'm looking for. My son-in-law is working for a substation specialist and getting into a real interesting field. What I am looking for are some books on tape or better yet on CD that will give him basic...
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