NEC Master practice test questions and complete correct answers 2024

If two 10-ohm resistors are connected in series, what is the total resistance of these resistors? - correct answer 20 ohms In a split-phase motor, how much greater is the starting current when compared to the full-load current? - correct answer 6 to 8 times The terminals of a motor can be identified using a battery and a ___ - correct answer voltmeter A 5-ohm and a 20-ohm resistor are connected in parallel. What is the total resistance of these two resistors? - correct answer 4 ohms The normal location to provide overcurrent protection in an electrical circuit is ___ - correct answer where the conductor receives its supply Which factor determines the outcome of an electrical shock? - correct answer The amount of current Isolated power systems are used to prevent ___ - correct answer power interruption The speed of a three-phase squirrel cage induction motor is controlled by the frequency of the applied voltage and ___ - correct answer the number of poles Where insulating protective equipment may be damaged, it ___ - correct answer requires its own protection (e.g., leather gauntlets over rubber gloves) Individual branch circuits are not required for portable X-ray equipment requiring no more than ___ - correct answer 60A