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Wire Properties

Properties
Wire	THHN/THWN/THWN-2 XHHW/XHHW-2/XHH THHW/THW RHW/RHW-2/RHH Copper Aluminum
Temperature Rating	60° Celsius 75° Celsius 90° Celsius	Conduit Type	EMT (RNC) PVC 40 (RNC) PVC 80 (RMC) Rigid GRC IMC ENT Flex LFMC (RNC) Type DB-60 (RNC) Type EB-20	Voltage	Line-to-Neutral Line-to-Line 120V AC 208V AC 277V AC 480V AC

Wire Properties Ampacity1 No Data Circular Mills No Data Diameter No Data Area No Data Reactance3 No Data Resistance3 No Data Impedance2 No Data Max Length (2%VD) N/A  (N/A) Max Length (3%VD) N/A  (N/A) Max Length (5%VD) N/A  (N/A) Custom Voltage Drop Length ft Anticipated Load A Actual N/A (N/A)

Conduit Table

Notes:

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1Ampacity based NEC 2005 Table 310-16, which is based on three (3) current carrying conductors at 30 degrees Celsius Ambient

2Calculations Based on 0.85 Power Factor.

3Base on NEC2005 Table 9.

4Check Conductor De-Rating Factors for more than three (3) current carrying conductors.

5Load for Voltage Drop is calculated based on 80% ampacity load of maximum allowable ampacity.

No guarantees are made as to the accuracy of the calculation or compliance with local codes.  Verify all calculations with a professional engineer. If you find an error, or have a suggestion, please send us an email.

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