When assembling SIPs in corners and intersections, any type of fastener is acceptable
Indicate whether the statement is true or false
FALSE
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As shown in Fig. 12.72, a three-phase four-wire line with a phase voltage of 120 V rms, with a positive phase sequence, supplies a balanced motor load at 260 kVA at 0.85 pf lagging. The motor load is connected to the three main lines marked a, b, and c. In addition, incandescent lamps (unity pf) are connected as follows: 24 kW from line a to the neutral, 15 kW from line b to the neutral, and 9 kW from line c to the neutral.
Grounding requirements for AC systems are contained in _____.
a. NEC Sections 250.20 and 250.21 b. NEC Table 400.4 c. NEC Table 310.15(B)(16) d. NEC Article 280
Productivity is defined as the _____.
a. total amount of material a crew places for a given job b. amount of material an individual worker places to complete a job c. amount of material scheduled to be used in a given time d. total amount of material an individual or crew places in a given time
Ceiling-suspended paddle fans that weigh more than __________ pounds may be supported by an outlet box as long as the box has the maximum weight it can support marked on it.
a. 35 b. 40 c. 50 d. 55