4B last hw

What's the feeder conductor demand load for 50 linear ft of show-window lighting?

12.50 kVA

Using the optional method, what's the service demand load in amperes for a 6,000 sq ft school having a total connected load of 150 kVA at 277/480V, three-phase?

123A

What's the general lighting load for a 200,000 sq ft warehouse?

126 kVA

How many receptacle outlet strap/yokes are permitted on a 20A, 120V circuit in a commercial occupancy?

13

What's the load in amperes for five 32A, 480V, three-phase and three 26A, 480V, three-phase 70 percent duty cycle motor-generator arc welders?

154A

What's the general lighting demand load for conductor sizing for a 250,000 sq ft warehouse?

156 kVA

What's the general lighting load for a 100,000 sq ft hospital before any demand factors?

160 kVA

Using the optional method, what's the service demand load in amperes for a 9,000 sq ft school having a total connected load of 175 kVA at 277/480V, three-phase?

166A

What's the feeder conductor demand load for 75 linear ft of show-window lighting?

18.75 kVA

What's the minimum feeder conductor size for five 50A motor-generator arc welders with duty cycles of 50 percent?

2/0 AWG

What's the general lighting load for a 100,000 sq ft hotel?

76.50 kVA

Each unit of a 100-unit hotel is 12 × 15 ft. In addition, there's a 60 × 20 ft office. What's the service demand load for conductor sizing for lighting and receptacles?

20 kVA

What's the feeder conductor demand load for receptacles in a 20,000 sq ft office building?

20,000 VA

A new restaurant has a total connected load of 400 kVA and is all-electric. What's the service demand load for conductor sizing using the optional method?

210 kVA

What's the general lighting load for a 200,000 sq ft hospital?

320 kVA

A marina shore power facility has twenty-four 20A, 250V receptacles and thirty 30A, 250V receptacles. What's the feeder/service demand load in amperes for the marina shore power outlets?

552A

What's the feeder demand load for conductor sizing for an electric sign circuit?

1,500 VA

What's the minimum feeder conductor size for five 50A nonmotor-generator arc welders with duty cycles of 50 percent?

1/0 AWG

A motor-generator arc welder has a primary current rating of 30A with a duty cycle of 40 percent. What's the minimum size branch-circuit conductor permitted to be used for the welder?

10 AWG

A motor-generator arc welder has a primary current rating of 40A with a duty cycle of 30 percent. What's the minimum size branch-circuit conductor permitted to be used for the welder?

10 AWG

A nonmotor-generator arc welder has a primary current rating of 40A with a duty cycle of 30 percent. What's the minimum size branch-circuit conductor permitted to be used for the welder?

10 AWG

What size branch-circuit conductor is required for a motor-generator arc welder having a 30A primary current rating and a 40 percent duty cycle?

10 AWG

What size branch-circuit conductor is required for a resistance welder having a 30A primary current rating and a 50 percent duty cycle?

10 AWG

What size branch-circuit conductors are required for a 30A resistance welder with a duty cycle of 50 percent?

10 AWG

What's the service demand load in amperes for five 32A, 480V, three-phase and three 26A, 480V, three- phase 50 percent duty cycle resistant welders?

110A

What's the kVA load for a 120/208V three-phase transformer for a 15,000 sq ft office building containing the following loads? The service is 277/480V three-phase, and the transformer is sized to 100% of the continuous load.Parking Lot Lights—ten 200 VA at 277VWater Heater—15 kVA at 480VAir-Conditioning—40 hp at 480V, three-phaseHeating—50 kW at 480V, three-phaseAir Handlers—two 10 hp at 480V, three-phaseMotor—20 hp at 480V, three-phaseA 480V-120/208V, three-phase transformer supplies the following 120/208V loads:Outside Lights—eighty 100 VA at 120V, continuous loadingReceptacles—one hundred at 120V, noncontinuous loadingComputers—twenty at 2A at 120V, continuous loadingPrinters—two at 12A at 120V, continuous loadingMiscellaneous Loads—40 kVA at 120V, continuous loadingReceptacles continuous duty use—ten at 120VComputer (machine tool)—30A at 208V, three-phase, continuous loadingSump Pump—5 hp at 208V, three-phase(Note: Transformers are sized to the sum of 100% of the continuous load plus 100% of the noncontinuous load. )

112.50 kVA

A nonmotor-generator arc welder has a primary current rating of 30A with a duty cycle of 40 percent. What's the minimum size branch-circuit conductor permitted to be used for the welder?

12 AWG

What size branch-circuit conductor is required for a resistance welder having a 50A primary current rating and a 15 percent duty cycle?

12 AWG

How many 20A, 120V circuits are required for fifty noncontinuous use 20A, 120V receptacles and one hundred 20A, 120V continuous duty receptacles?

14 circuits

If there are 100 receptacle outlets in the hall and other areas of a motel (not including the motel rooms), the demand load added to the service for these receptacles is _____.

14,000 VA

What's the general lighting demand load for a 20-room motel where each unit is 750 sq ft?

14.75 kVA

Electricity costs 13 cents per kilowatt hour. Ten metal halide high bay lights draw 2A each at 240V for 12 hours a day, five days a week. How much will it cost to use these lights during a four-week period?

149.76

What's the service demand load for conductor sizing for 110 receptacle strap/yokes (15A or 20A, 125V) in a commercial building?

15 kVA

Calculate the service load in amperes for a light industrial manufacturing facility containing the following loads. The system is 277/480V, three-phase.} Electric-Discharge Lighting—11,600 VA at 277V,} Receptacles—twenty-two at 120V,} Arc Welders, Motor-Generator Type—five 23A at 480V single-phase, 60 percent duty cycle,} Air Compressor—7½ hp at 480V, three-phase,} Grinder—1½ hp at 480V, three-phase,} Industrial Process Dryers—three 15 kW at 480V, three-phase, continuous use

151A

Calculate the service load in amperes for a light industrial manufacturing facility containing the following loads. The system is 277/480V, three-phase,Electric-Discharge Lighting—20,500 VA at 277V,Receptacles—one hundred fifty 20A, 125V,Arc Welders, Nonmotor-Generator Type—five 49A at 480V, single-phase, 40 percent duty cycle,Air Compressor—10 hp at 480V, three-phase,Grinder—2 hp at 480V, three-phase,Industrial Process Dryers—three 10 kW at 480V, three-phase, continuous use

193A

What's the service demand load for a manufactured home park containing seventy-five homes rated 14,000 VA?

264 kVA

What's the general lighting demand load for conductor sizing for a 90,000 sq ft school?

270 kVA

A new restaurant has a total connected load of 400 kVA and isn't all-electric. What's the service demand load for conductor sizing using the optional method?

296 kVA

What's the minimum feeder conductor size for five 30A motor-generator arc welders with duty cycles of 30 percent?

3 AWG

What's the service demand load for ten 5-foot sections of multioutlet assembly not used simultaneously and five 2-foot sections of multioutlet assembly simultaneously used?

3,600 VA

What's the calculated demand load in VA for five 49A, 240V, 40 percent duty cycle nonmotor-generator arc welders?

30,747 VA

What size feeder/service conductor is required for a marina if the total demand load for each phase is 570A and the service is paralleled in two raceways?

300 kcmil

Calculate the service size for a light industrial manufacturing building with the following loads: Lighting; 40,000 VA electric-discharge luminaries, 277VTwo hundred 20A, 125V receptacle outlets on general-purpose branch circuits supplied by a separately derived systemFive Welders; nonmotor-generator arc type: 40A, 480V, single-phase, 50% duty cycleAir Compressor; 20 hp, 480V, three-phaseGrinder; 5 hp, 480V, three-phaseThree continuous use industrial process dryers, 480V, three-phase, 20 kW each

300A

What's the service load in amperes for a 15,000 sq ft office building containing the following loads? The system is 277/480V, three-phase:Outside LightsOutside Lights-eighty 100 VA at 120VParking Lot Lights-ten 200 VA at 277VReceptacles-one hundred at 120VReceptacles, continuous duty use-fifty at 120VWater Heater-15 kW at 480VComputers-twenty 2A at 120V Printers-two 12A at 120VComputer (machine tool)-30A at 208V, three-phaseMiscellaneous Loads-40 kVA at 120VAir-Conditioning-40 hp at 480V, three-phaseHeating-60 kW at 480V, three-phaseAir Handlers-two 10 hp at 480V, three-phaseSump Pump-5 hp at 208V, three-phaseMotor-20 hp at 480V, three-phase

300A

What's the service demand load for conductor sizing for 130 ft of show-window lighting?

33 kVA

What's the service demand load in VA for five 38A, 480V, 30 percent duty cycle resistance welders?

34,108 VA

Using the standard method, what's the service load for a 4,000 sq ft restaurant containing the following loads?Lighting (actual); 6 kVAReceptacles; sixty at 120VGas Furnaces; two 5A at 120VAir Conditioner; 50A at 240VHeat; 10 kW at 240VSign; 1.20 kVA at 120VKitchen Loads:Mixer; 10A at 240VGas Ovens; two 250W at 120VGas Steamer; 350W at 120VElectric Warmers; four 5 kW at 240VElectric Steam Table; 20 kW at 240VAppliances; 5,000 VA at 120VElectric Deep Fryer; 15,000 VA at 240VThe service is 120/240V, single-phase.

355A

What's the service demand load in amperes at 120/240V, single-phase for a 10,000 sq ft commercial warehouse containing the following loads?Lighting (actual); 5,000 VAShow-Window Lighting; 50 ft at 120VSign; 1,200 VA at 120VReceptacles; seventy-eight at 120VRefrigerator; 10A at 120VWater Heater; 3,000W at 240VMicrowave; 1,100 VA at 120V2 hp motor at 120V5 hp motor at 240V7½ hp motor at 240VAir Conditioner; 50A at 240VHeat; 25 kW at 240V

375A

What's the minimum feeder conductor size for five 30A nonmotor-generator arc welders with duty cycles of 30 percent?

4 AWG

What's the minimum size feeder conductor for five 40A resistance welders with duty cycles of 30 percent? The conductor terminals are rated 75°C.

4 AWG

What's the general lighting demand load for conductor sizing for a 3,200 sq ft exercise center?

4,480 VA

What's the service demand load in amperes at 120/240V, single-phase for a 15,000 sq ft commercial warehouse containing the following loads?Lighting (actual); 5,000 VAShow-Window Lighting; 25 ft at 120V Sign; 1,200 VA at 120VReceptacles; one hundred twelve at 120VRefrigerator; 12A at 120VWater Heater; 3,500W at 240VMicrowave; 1,500 VA at 120V3 hp motor at 120V7.50 hp motor at 120V10 hp motor at 240VAir Conditioner; 75A at 240VHeat; 50 kW at 240V

525A

What's the service conductor load in amperes at 120/240V, single-phase for a 10,000 sq ft office building containing following loads?Outside Lights—twenty 180 VA at 120V, continuous loadingParking Lot Lights—five 200 VA at 120V, continuous loadingReceptacles—seventy-five at 120VReceptacles, continuous duty use—twenty at 120VWater Heater—two 4.50 kW at 240V, continuous loadingComputers—twenty 2A at 120V, continuous loadingPrinters—two 12A at 120V, continuous loadingMiscellaneous Loads—20 kVA at 120V, continuous loadingAir-Conditioning—two 10 hp at 240VHeating—40 kW at 240VAir Handlers—two 3 hp at 240VIrrigation Pump—5 hp at 240V

541A

Using the standard method, what's the service load for a 5,000 sq ft restaurant containing the following loads?Lighting (actual); 6 kVAReceptacles; sixty at 120VSign; 1.20 kVA at 120VAir Conditioner; 50A at 240VHeat; two 25 kW at 240VKitchen Loads:Mixer; 10A at 240VOvens; two 25 kW at 240VSteamer; 350W at 120VWarmers; four 5 kW at 240VSteam Table; 20 kW at 240VAppliances; 5,000 VA at 120VElectric Deep Fryer; 15,000 VA at 240VThe service is 120/240V single-phase.

595A

What's the service demand load for a marina shore power facility with twenty 20A, 240V receptacles; seventeen 30A, 240V receptacles; and seven 50A, 240V receptacles?

630A

What's the general lighting demand load for conductor sizing for a 100,000 sq ft warehouse?

66 kVA

What's the general lighting load for a 100,000 sq ft warehouse?

66 kVA

What's the service demand load at 120/240V, single-phase for an RV park that has twenty 50A sites and forty-five 30A sites?

687A

What's the service demand load for conductor sizing for the general lighting and receptacles for a 30,000 sq ft office building?

70 kVA

What size branch-circuit conductor is required for a direct-current rectified nonmotor-generator arc welder having a 50A primary current rating and a 60 percent duty cycle?

8 AWG

What's the service demand load in kVA for a recreational vehicle park with forty-two sites where nine sites are equipped with 50A, 120/240V supply facilities; thirty sites are equipped with 20A and 30A, 120V supply facilities; and three sites are equipped with 20A, 120V supply facilities?

91.50 kVA