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  1. fourleaf

    Voltage Drop

    After finding the formulas in the American Electricians Handbook, I have a theory. If you look at the formula right above it, it reads Voltage Drop = drop factor X dc voltage drop. This is the formula for a four wire two-phase system and each phase is considered as a separate two-wire...
  2. fourleaf

    Conduit Sealing in sub-0C temps

    I work offshore Louisiana coast and we had some of our sealing fittings that ruptured. After investigating we found out that we had used a certain type of seal and a different manufacturer of sealing compound. We were told that as long as you used the same manufacturer of seal and compound you...
  3. fourleaf

    Inrush current for a 300 KVA Step up Transformer

    I'm having trouble with a 300 KVA transformer. After hooking it up and ohming it out before turning it on the transformer unloaded is tripping a 150 amp breaker. I realize that 150 breaker cannot handle the transformer when it is fully loaded. I would have thought that the breaker could at least...

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