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Why does the load matter?

Why does the load matter? Q: Why are the folks at Novinium so insistent on knowing the loading of my feeder cables? This guy named Steve keeps asking me to estimate the load growth. How am I supposed to do that? Is this effort really worth it? Your NRI20 [Novinium Rejuvenation Instruction 20, Tailored Formulation™ &…

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Wet, Wetter and Wettest

Wet, Wetter and Wettest Q: I have two areas under consideration for rejuvenation next year. The first is a sub-division with 40 year-old cable that is in relatively dry sandy soil. The second sub-division has 15-20 year-old cable that is in very wet, swampy soil. All other things being equal, which area would enjoy the…

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Water Trees – Too Big to Fail?

Q: We had three cable samples sent out for testing from different areas. Each area has suffered multiple failures. We would like to have your opinion as to whether the injection process will be able to revive cables that have deterioration to this extent. Please send us any literature that you have, which can illustrate the extent of damaged cables and their successful rejuvenation.

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Using TDR to Identify Neutral Corrosion and Splices

Q: The blog post titled Neutral Corrosion — How Much Is Too Much? includes a waveform from a TDR (time domain reflectometer, often called a radar) that is used to pinpoint bad sections of cable neutral. The TDR is also used to pinpoint splice locations on the cable. How does the TDR determine the neutral corrosion and splices on the cable? And how is the waveform read to tell them apart and to pinpoint their locations?

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The Color of Money – Part IV

The Color of Money—Part IV In my post of February 27th, The Color of Money – Part I, I gave the big picture answer. In February 28th’s follow-up post we delved into the details of depreciation. On my Leap Day post we deliberated discounting. Today, in the fourth and last post of the series, we…

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The Color of Money – Part III

The Color of Money—Part III In my post of February 27th, The Color of Money—Part I, I provided the big picture answer. In yesterday’s follow-up post we delved into the details of depreciation. Today we will deliberate discounting—muse over money’s time-value. A dollar earned or saved today has a greater value than a dollar earned…

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The Color of Money – Part II

The Color of Money – Part II In yesterday’s post, The Color of Money – Part I, I gave the big picture answer to Cap’s query. Today we will dive into the first of three sets of details that impact the answer, namely depreciation. In subsequent posts we will examine discounting and other assumptions. I…

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