Scribd
Upload
257 views3 pages

Electrical Formula - Tecfind

Electrical Formula - Tecfind Voltage Drop Formula Maximum Circuit Length Legend R = resistance, in ohms P = power, in watts V = voltage, in volts = current, in amps HP = Horsepower L = Length Eff = Efficiency e.g. 85% = 0.

Uploaded by

dzack83
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
257 views3 pages

Electrical Formula - Tecfind

Electrical Formula - Tecfind Voltage Drop Formula Maximum Circuit Length Legend R = resistance, in ohms P = power, in watts V = voltage, in volts = current, in amps HP = Horsepower L = Length Eff = Efficiency e.g. 85% = 0.

Uploaded by

dzack83
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 3

Electrical Formula - Tecfind http://www.tecfind.com/Info_Form1.

htm

Technical Library, Electrical


Home April 15, 2011

Electrical Formula

Contents Legend

Ohms Law R = Resistance, in ohms


Three Phase, Single Phase & DC Formula P = Power, in watts
Voltage Drop Formula V = Voltage, in volts
Maximum Circuit Length = Current, in amps
HP = Horsepower
L = Length
Eff = Efficiency e.g. 85% = 0.85
pF = Power Factor
Output kW = Net effective mechanical power of a motor

Ohms Law

Back to Top

Three Phase, Single Phase & DC Formula


Three Phase Single Phase Direct Current

1 of 3 4/15/2011 9:34 PM
Electrical Formula - Tecfind http://www.tecfind.com/Info_Form1.htm

2 of 3 4/15/2011 9:34 PM
Electrical Formula - Tecfind http://www.tecfind.com/Info_Form1.htm

Back to Top

Voltage Drop

Back to Top

Maximum Circuit Length Calculation

Back to Top

Disclaimer

Tecfind takes reasonable steps to ensure that this web site is kept up to date, but makes no warranties, representations or assurances,
whether expressed or implied, as to the currency, reliability, accuracy or completeness of any information or data provided.

Author: Bill Wood


Copyright © 2003 [Tecfind]. All rights reserved.

3 of 3 4/15/2011 9:34 PM

You might also like