Conductors
What is true
The circuit between the final overcurrent device and the outlet is known as?
What is a branch circuit?
What are the two types of protection for conductors?
What is physically and electrically
What does let-through refer to?
What is the current that can pass through a device before the circuit can be interrupted by the protective device.
What is the maximum allowable VD for branch and for branch and feeders combined?
What is 3% for branch , and 5% for branch and feeders.
What color is a grounded conductor?
What is white or gray?
# what and larger may be permitted to be solid?
What is #8 and larger
What does AWG stand-for?
What is American Wire Gauge
What are the most common lengths of tap rule?
What is 10', 25'
What are the two derating tables for ambient temperature? What degrees?
What is 86 degrees, and 104 degrees
How can 2/0 also be expressed?
What is 00?
Why would compacted conductors be useful?
What is especially useful when increasing the ampacity of an existing service or feeder circuits.
How do you convert square mils to circular mils?
What is multiply by 0.7854
For taps exceeding 25' long, what elevation must the taps be made up?
What is 30' above finished floor
What is the ampacity for NEC 310.16? What voltage range?
What is 0 volts - 2000 volts.
What is SD, MHD, HD stand for in reference to cables and conductors?
What is soft drawn (SD) , medium hard drawn (MHD) , and hard drawn (HD)
What is an acceptable way of identifying a grounded conductor (#6 and larger)?
What is tagging
What is the derating table for more than three current carry conductors?
What is 310.15 (C) (1)
What is the service voltage for low voltage?
What is the service voltage for high voltage?
Low Voltage :
120v
208v
240v
High Voltage :
277v
480v
What are the constants for aluminum and copper?
What is 21.2 for aluminum, and 12.9 for copper
What are the most common amount of strand configurations?
What is 7 strands, 19 strands, and 37 strands.
What is the max continuous load on a 20A molded case circuit breaker?
What is 16A
What is the standard ampere rating table in 240?
What is 240.6 (A)
What is the smallest wire available?
What is #40 (small as a human hair)
Calculate the voltage drop in volts, not percentage, for a circuit we are feeding that is 110', with a current draw of 200A, and we are utilizing copper in the 90 degree column.
What is 1.69 volts