When planning or diagramming a floor-mounted transformer supplying a power panelboard, what are important components to include?
What will be an ideal response?
You should include the following:
| ? | feeder busway, |
| ? | cable tap box, |
| ? | primary fused switch, |
| ? | transformer, |
| ? | power panelboard, |
| ? | motor controllers, |
| ? | conduits to motors, |
| ? | secondary feeder protection; and |
| ? | wireway. |
You might also like to view...
When the control cartridge is energized in a typical single actuator EUI, which of the following passages is immediately closed off?
A. cylinder head return gallery B. EUI pump chamber to nozzle duct C. nozzle valve pressure chamber D. EUI control valve spill
Given that vC(0) = 2cos(155°) V, what is the instantaneous voltage across a 2-?F capacitor when the current through it is I = 4 sin (10? t + 25°) A?
What will be an ideal response?
As a technician's rule of thumb, fan speed should not be adjusted more than ________ percent above or below manufacturer's specifications
A) 25 B) 50 C) 10 D) Do not adjust the fan speed.
When calculating electrical power consumption you need to know:
a. Ohm's and Watts b. Watt's and volts c. volts and Ohms d. amps and volts