NEC Organization
Article 90
What article is the NEC introduction in?
3 hours or longer
What is the definition of a continuous load?
UFC 3-530-01
What is the lighting UFC number?
3-580-01
What is the telecom UFC?
180va
What is the load for general use receptacles?
Definitions
what is in chapter 1
125%
What is the demand factor for a continuous load?
1 w/sf
What approximate power density do we design to?
CAT 6A
What is the latest ethernet cabling standard for NAVFAC?
250%
What is the maximum overcurrent protection for motors when using a circuit breaker?
Working Space
What is in 110.26
125%
what is the demand factor for motor loads?
Lighting power density standard
What does ASHRAE 90.1 prescribe?
PET (protected entrance terminal)
Where do cat3 (phone lines) land?
250% of the largest and 100% of rest
How do you size circuit breakers for circuits feeding mulitiple motors?
Motors
What is in article 430?
60 degree C
What column of 310.16 do you use for conductors up to 100amps?
50% of receptacles
What percentage of receptacles require control in offices?
12" headroom
What is the maximum clear space above cable tray?
125% of the largest and100% of the rest
How do you size conductors for circuits with multiple motors?
Transformers
What is article 450?
90 degree C
What column of 310.16 do you use for deratings?
Type V
What is the designation for a circular light distribution?
25% fill ratio
What is the maximum fill ratio for new construction for cable tray?
1.2
What is the shortcut conversion factor for kva to amp at 480Y/277V?