ELECTRIC Flashcards
7 cards from real NEC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 ELECTRIC flashcards as text
In a dwelling, the maximum spacing between receptacle outlets along a wall is intended so no point is more than:
Answer: 6 feet
Receptacles are spaced so no point along the wall is more than 6 feet from an outlet.
What is the function of a bonding jumper in an electrical system?
Answer: Ensure electrical continuity between metal parts
A bonding jumper ensures electrical continuity and conductivity between metal parts that must be connected.
Which type of cable is commonly used for interior dwelling wiring in dry locations?
Answer: Type NM (Romex)
Type NM nonmetallic-sheathed cable (Romex) is widely used for interior dry-location dwelling wiring.
A continuous load must be calculated at what percentage for conductor and overcurrent sizing?
Answer: 125%
Continuous loads must be sized at 125% of the load for conductors and overcurrent protection.
The required working clearance in front of electrical equipment operating at 120/240 volts is generally a minimum of:
Answer: 36 inches
A minimum 36-inch working clearance is required in front of equipment at these voltages.
Which color is reserved for the equipment grounding conductor when insulated?
Answer: Green or green with yellow stripe
Green, or green with a yellow stripe, identifies the equipment grounding conductor.
What does a double-pole circuit breaker typically supply in a residence?
Answer: A 240-volt appliance such as a dryer or range
A double-pole breaker supplies 240-volt appliances like dryers and ranges by using both legs.