*Working exclusively from the 75° C ampacity column and assuming copper conductors installed in parallel, what is the smallest standard conductor size you would select—evaluated for the capacity of the combined parallel set rather than by any individual run—to serve a calculated load of 349 amperes?

*Referring only to the 75° C ampacity column for copper conductors, what is the smallest standard conductor size you would select that provides sufficient capacity to safely supply a calculated load of 229 amperes?

*For a single electrical circuit, what is the highest percentage of voltage drop that is generally recommended as the allowable limit?

*When dealing with intrinsically safe apparatuses constructed of metal, are they required to be connected to the equipment grounding conductor?

*Outdoor overhead conductors operating at more than how many volts are permitted only when installed as part of systems rated above what minimum voltage?

*According to the 75° C ampacity column, what is the specified current-carrying capacity (ampacity) of a copper conductor sized at 250 kcmil?

*Based on the 75° C ampacity column, what is the designated current-carrying capacity (ampacity) of a copper conductor sized at 4/0 AWG?

*Looking at the 75° C ampacity column, what is the specified current-carrying capacity (ampacity) of an aluminum conductor sized at 8 AWG?

*Referring exclusively to the 75° C ampacity column for aluminum conductors, what is the smallest standard conductor size you would select that provides sufficient capacity to supply a calculated load of 135 amperes?

*Limiting yourself strictly to the 75° C ampacity column and specifying aluminum as the conductor material, what is the smallest standard conductor size that you would choose whose rated capacity alone is sufficient to serve a calculated load of 229 amperes?

*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?

*Cabinets and cut-out boxes shall be deep enough to allow the closing of the doors when _____ amp branch circuit panel board switches are in any position.

*For a circuit carrying 200 amperes, installed with 4/0 AWG copper conductors, having a one-way length of 225 feet, and operating on a 120/240-volt system, what is the calculated voltage drop?

*Splices and taps that are installed within nonmetallic wireways are restricted such that their presence shall not occupy more than what percentage of the total wireway cross-sectional area?

*For conductors installed in intermediate metal conduit (IMC) routed beneath a building, what is the required minimum burial depth measured from grade to the top of the conduit?

*What is the aggregate cubic-inch volume attributable exclusively to conductor fill that you would compute for a grouping composed of five #12 conductors together with six #10 conductors?

*When performing a box-fill calculation, what is the complete total cubic-inch volume that must be assigned for a quantity of eighteen conductors, each being size #12?

*When determining box-fill requirements, what is the full cubic-inch volume that must be accounted for when the conductor count consists of sixteen conductors of size #10?

*In the context of conduit fill determinations, under what specific condition or application is the 60 percent fill column, as referenced in Chapter 9, Table 4, applied?