Disclaimer:
Irby takes no responsibility for any false or misleading information contained in the tables and calculators provided here. The use of these tables and/or calculators is the sole responsibility of the user. Irby does not guarantee that the results produced by using these tables and/or calculators is correct or applicable in all situations.  The user must also understand that the National Electrical Code may or may not be legally acceptable in their area. Furthermore, electrical codes may be modified or superseded by the locality in which the work is done.