J. J. Fowler

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Conduit-Wire Calculator
Paid
A convenient reference tool for electricians and electrical designers. Determine the proper conduit size to use for the job at hand. Select the...
iOS
Wire Current Calculator
Paid
Determine the proper wire size when designing or installing new circuits. The current calculator calculates the maximum allowed current for wire...
iOS
Resistor Color-Code
Free
Bill's Notepad - Resistor color code.A handy reference that displays the resistor color-code. Useful for the engineer, electrician, student, or...
iOS