Branch circuits that supply all other sign and outline lighting systems more not be rated more than how many amps?

A commercial building has a continuous heating load of 24 amps and a noncontinuous water pump load of 18 amps. What is the minimum OCPD rating required for these combined loads?

*Using the optional method, what size overcurrent protection would you select for a load calculated at a total of 68,000 VA  on a 120/240V system?

*In a residential dwelling unit, what is the minimum number of 120-volt, 20-ampere branch circuits that must be provided?

*What is the minimum overhead clearance for service conductors that pass over residential driveways, and commercial areas without truck traffic, not more than 300v to ground

*What is the minimum height for overhead service conductors that pass over areas or sidewalks accessible only to pedestrians where voltages are not more than 150 volts to ground?

*Which one of these is the correct way to figure 3 phase voltage for calculation purposes? (This example is the last step before figuring a service calculation.)

*Given a load with a calculated magnitude of exactly 47 amperes, what nominal rating of an over-current protective device (such as a fuse or circuit breaker) should be selected as the appropriately sized protection?

*For wind-powered electric generating systems, the sizing of conductors together with the corresponding overcurrent protective devices must be determined using a calculated value of not less than ______percent of the system’s rated output.

*Electric swimming pool water heaters are required to have their heating elements divided into individual loads not exceeding how many amperes, and these loads must also be protected against currents greater than how many amperes?

*When a branch circuit is designated to supply neon signs, the circuit rating must not be greater than how many amperes?

What size main breaker would you select for a home with a total calculated load of 32,560 VA on a 120/240V system?

*For a single-family dwelling having a total habitable floor area of 1,800 square feet, determine the minimum quantity of 120-volt, 15-ampere general-purpose lighting/receptacle branch circuits that must be provided?

How many general 20-amp branch circuits are required for a dwelling unit that is 2,700 square feet?

For a single-family dwelling, what is the minimum service size in amperes?

What is the maximum number of disconnecting means allowed for a single service?

*For a building supplied by a three-phase, 4-wire 277/480-volt system with a total calculated demand of 90,000 volt-amperes, what ampere rating should be selected for the single main circuit breaker serving that installation?

What size breaker would you select for a building with a total calculated load of 65,000 VA on a 120/208V, 3-phase system?

*For a dwelling unit served by a single-phase 120/240-volt system with a total calculated demand of 65,000 volt-amperes, what ampere rating should be selected for the service main circuit breaker?

What size breaker would you select for a home with a total calculated load of 48,000 VA on a 120/240V system?

What is the term for the conductors that run from the service point to the service disconnecting means?

*What is the term for all circuit conductors between the service equipment, another source or a separately derived system and the final OCPD?

What do you call the conductors that run from the last overcurrent protection device to the outlets or connected equipment?

When a branch circuit is servicing sensitive electronic equipment, what is the maximum voltage drop % allowed?