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1. Where insulated power and lighting conductors are installed in raceways, an ampacity adjustment must be applied where _____. I. there are more than three (3) current-current carrying conductors in the same raceway II. an ambient temperature other than 86°F is encountered A. I only B. II only C. either I or II D. both I and II Part III of Article 310- Conductors for General Wiring, covers the general installation requirements for conductors rated up to and including 2000 volts. Section 310.14(B) tells the reader the ampacity of each conductor within a raceway needs to be corrected for ambient temperatures other than 30°C (86°F). Using the values shown in Table 310.15(B)(1), multiply the ampacities of the conductors specified in the ampacity tables by the appropriate correction factor shown in Table 310.15(B)(1) to correct the ampacities of the conductors. Also, Section 310.14(C) tell us the ampacity of each conductor is to be adjusted as shown in Table 310.15(C)(1) where the number of current-carrying conductors within a raceway or cable exceeds three. Again, multiply the conductor ampacities as shown in the ampacity tables by the percentage values given in Table 310.15(C)(1). 2. According to the Code, flexible metal conduit (FMC) enclosing circuit conductors is not approved for use as a type of an equipment grounding conductor in lengths exceeding _____. A. 4 feet B. 6 feet C. 8 feet D. 10 feet Part VI of Article 250 explains the wiring methods and installation requirements for equipment grounding and equipment grounding conductors. Section 250.118 lists the approved types of equipment grounding conductors. 250.122(5)d. specifies where flexible metal conduit (FMC) is longer than 6 ft. it is not considered an effective ground-fault current path. 3. Where a single 125-volt, single-phase, 20-ampere receptacle
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