NEC Code Test Study Guide (General)
What is the required protection for a receptacle installed near a sink in a kitchen?
Receptacles installed within 6 feet of a sink in a kitchen must be GFCI protected to reduce the risk of
electric shock. ️️
What is the minimum height for a receptac...
What is the required protection for a receptacle installed near a sink in a kitchen?
Receptacles installed within 6 feet of a sink in a kitchen must be GFCI protected to reduce the risk of
electric shock. ✔️✔️
What is the minimum height for a receptacle installed in a kitchen above the countertop?
A receptacle installed above a kitchen countertop must be at least 15 inches above the countertop to
ensure proper accessibility. ✔️✔️
What is the minimum conductor size for a 60-amp residential service?
The minimum conductor size for a 60-amp residential service is typically 8 AWG copper or 6 AWG
aluminum. ✔️✔️
When should a grounding electrode conductor be used?
A grounding electrode conductor should be used to connect the electrical system to a ground rod, water
pipe, or other suitable ground to provide a safe path for stray electrical currents. ✔️✔️
What is the minimum clearance required for electrical wiring above a finished floor?
Electrical wiring must be installed at least 6 feet above a finished floor in areas with high pedestrian
traffic or to avoid damage to the wires. ✔️✔️
What is the rule for installing electrical outlets in a kitchen island?
Electrical outlets in a kitchen island must be installed with GFCI protection and should be placed within
easy reach of countertop work areas. ✔️✔️
What is required for a panelboard installation in a dwelling?
A panelboard must be installed in a dry, accessible location, and should have at least 36 inches of
working space in front of it for maintenance and operation. ✔️✔️
, What is the minimum wire size for a 240V, 60-amp electric range circuit?
The minimum wire size for a 240V, 60-amp electric range circuit is 6 AWG copper or 4 AWG aluminum.
✔️✔️
When is it permissible to install electrical systems in an exposed position?
Electrical systems can be installed in an exposed position only if they are suitably protected from
physical damage and comply with the NEC’s specific installation requirements. ✔️✔️
What is the NEC rule regarding the installation of GFCI outlets in wet locations?
GFCI outlets must be installed in wet locations, such as bathrooms, kitchens, garages, and outdoor
areas, to prevent electrical shock hazards. ✔️✔️
How should junction boxes be installed in ceilings?
Junction boxes in ceilings must be securely mounted, easily accessible for maintenance, and not hidden
behind drywall or other permanent fixtures unless an access panel is provided. ✔️✔️
What is the required depth for burying non-metallic cables under a driveway?
Non-metallic cables must be buried at least 24 inches deep under a driveway to protect them from
mechanical damage and ensure safety. ✔️✔️
What is the NEC requirement for using conduit in residential installations?
Conduit must be used in residential installations when the wiring needs additional protection from
physical damage or when required by specific code sections, such as in wet or damp locations. ✔️✔️
What is the minimum number of circuits required for a residential kitchen?
A minimum of two 20-amp circuits is required for a kitchen to supply power to countertop outlets,
ensuring they can handle common kitchen appliances. ✔️✔️
What is the minimum clearance for overhead electrical lines above a residential driveway?
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