Unit15Practical Applications
Youparking lot is 275ft by 200ft (Figure 15–23). A trade size 4 conduit has beenburied 2ft beneath the concrete. The conduit runs at an angle from one cornerof the parking lot to the other. Two pull boxes have been placed in the conduit run.The pull boxes are equally spaced along the length of conduit. Your job is to pullconductors through the conduit from one end of the run to the other.(A) Allowing 12ft of extra conductor, what is the length of each conductor?The conductors are not to be spliced.(B) How much cable will be required to pull these conductors through theconduit, allowing an extra 5ft at one end that is to be connected to the pulling deviceand 3ft extra that is to be used to connect the conductors to the cable?
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