Duncanson Electric Co

I have published and made available herein some of the key training materials I have written for electricians and would-be electricians alike.

Click here to view the full article entitled “ABOUT”

Electrical Basics was written for electricians and would-be electricians alike to introduce and explain the basic concepts of electricity in the sequence in which these concepts were discovered and developed historically.  It was intended to assist in the training of electricians by providing definitions, examples, and applications of terminology, concepts, and technology used or encountered in the electrical trade.

Click here to view part 1 of this series

Click here to view part 2 of this series

Modern, high-tech electrical measuring instruments do not always produce better, more accurate results than the low-tech instruments of yesteryear. What would be best depends on the application. The electrical measuring device one chooses to use must be correct for the situation and measurement needed. The wrong type of meter could give incorrect results.

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First, one must determine if one or more of the tubes are bad. One bad tube can cause another good tube to go dark in a 2 tube fixture.

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“Trouble-Shooting” refers to the process of locating, identifying, repairing, handling or eliminating the specified trouble AND ALSO the SOURCE or CAUSE of that trouble.

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If you are altering or disassembling electrical equipment, wiring, switches, outlets, circuits, etc, where the wires make up in a specific manner then pay attention. There are lessons to be learned.

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Over the years I have seen and created a number of computer tools (e.g. Spreadsheets) for making Electrical Load Calculations, Voltage Drop Calculations and Panel Schedules.  None were as nice and useful as these which you will find at http://www.newcalc.com/engineering-software.htm.

IF one had 12 seemingly identical coins, with 11 being of the exact same weight and 1 being either heavier or lighter than the other 11,

THEN using only a balance, not a scale, and with only 3 measurements allowed, how could one determine which of these 12 seemingly identical coins is different and whether it is heavier or lighter than the other 11?

See if you can solve this problem
BEFORE you click here to view the solution

I’m an American. I am not a hyphenated American! I believe the founding fathers of our country exercised exceptional clarity of thought and vision when they wrote The Constitution of The United States of America.