Red(R) RN Off On -Generator Neutral (N) 3 phase 42 volt Power Supply Ph2 Neutral Ph1 Ph3 Yellow (Y) VYN BN Neutral Blue (B) Red Yellow Blue Figure 14: 3 Phase Power Supply

Why is the voltage between two phases of 2400 volts 4160 volts and not 4800 volts?

12.a. You're working on an installation at a patient care facility. You have two panelboards next to eachother that supply the critical and the normal feeder circuits. These two panelboards must be bondedtogether using an insulated copper conductor with a minimum size ofA. AWG 10.B. AWG 6.C. AWG 8.D. AWG 4. 12.b. You're installing an isolated power system in a hospital that'll serve a group of patient care areas. Whichof the following colors must be used for the wire that connects to the terminal at each receptacle that'susually reserved for the neutral conductor?A. Green with a white stripeB. Orange with a distinct stripeC. Red with a black stripe

Explain the concept of predictive maintenance in power substations and its potential to reduce maintenance costs and downtime.