Calculations-Branch and Feeder Circuits
NEC 220.14 - each outlet has an assigned load of ___ - ANS180VA
NEC Table 310.16 covers conductors rated up to ___ - ANS0-2000V
NEC 220.14(I) each receptacle is assigned a value of ___ - ANS180VA
NEC 220.54 the load for household electric dryers must be calculated at ____ or ____ -
ANS5000VA or the nameplate rating of the dryer — whichever is larger
When space heating equipment utilizes electric resistance heating elements, protection for the
resistance elements shall not exceed 60A. - ANSNEC 424.22(B)
If breaker is not sufficient to hold the starting current of the motor, the rating is permitted to be
increased but cannot exceed ___ or the branch circuit selection current, whichever is greater. -
ANS225% of the motor rated load current
Show window loads are ___ - ANSAlways continuous
NEC 220.14 (G) provided two options for calculating branch circuit loads for show window
lighting: either using the computed receptacle load of ___ (300mm) of show window. -
ANS180VA per receptacle or 200VA per linear foot
The actual sign load cannot exceed ___ - ANS80% of the branch circuit rating
NEC 220.14(E), outlets for heavy duty lamp holders are calculated at a minimum of ___ each -
ANS600VA
NEC table 220.56 lists demand factor for ___ - ANSCommercial kitchen equipment
NEC table 430.248 is used to determine - ANSFull load current for single phase AC motors
NEC Table 430.250 - ANSUsed to determine full load current for 3 phase AC motors
NEC table 310.16 used to determine - ANSBranch circuit conductor size
table 430.52 used for - ANSMotor short circuit and ground fault protection