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Recent content by ziggyfrst

  1. ziggyfrst

    Creating Hyper-links

    I have photos filed on a daily basis. I want to create an index of subjects that when a phrase or word is clicked will go to all the photos associated. To link the photos to key words or phrases.
  2. ziggyfrst

    Underground electrical duct bank (de-rating??)

    I have sched 40 rigid PVC (NEMA TC-2) underground duct bank buried in sand. Double tiered, some 6", some 4". It was buried mostly touching both vertically and horizontally. (no cradles were used) Some places it is wired to re bar with the wire completely encircling individual and/or multiple...
  3. ziggyfrst

    MV cable damage

    I have the following Cable: Uniblend, Spec 6350, 250 kcmil: EPR/Copper Tape Shield/PVC, Medium-Voltage Power, Shielded 15 kV, UL Type MV-105. 1.25” overall nominal cable diameter. IAW NEC and mfgr specs the min bend radius is 15" It has been pulled through a Greenlee 9 ¾ radius sheave at...
  4. ziggyfrst

    Megger Test Voltages

    I've been doing electrical for 29+ years. In my experience, I ahve always considered the over potential test to do no harm. Recently people in my organizations I've met believe that it does cause harm. Which is true?? I've read that recent technology shows that the megger test of cable may...
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