Introduction to the National Electrical Code
NEC Chapter 5 contains _____. ️️c. information on special occupancy areas
What is the purpose of a dedicated circuit in residential wiring?
A dedicated circuit is used to supply power to a specific appliance or device, ensuring it does not sh...
NEC Chapter 5 contains _____. ✔️✔️c. information on special occupancy areas
What is the purpose of a dedicated circuit in residential wiring?
A dedicated circuit is used to supply power to a specific appliance or device, ensuring it does not share
capacity with other devices, preventing overloads. ✔️✔️
What is the minimum distance a ground rod must be from a building?
A ground rod must be installed at least 2 feet away from the building’s foundation to ensure proper
grounding. ✔️✔️
Can electrical panels be installed in bathrooms?
Electrical panels should not be installed in bathrooms due to the risk of electrical shock and the need for
sufficient working space. ✔️✔️
What is the minimum size for a branch circuit to supply kitchen countertop outlets?
A 20-amp branch circuit is the minimum required to supply outlets for kitchen countertops, ensuring
they can handle typical appliance loads. ✔️✔️
What is required when installing receptacles in a kitchen under the NEC?
Receptacles in a kitchen must be installed no more than 24 inches apart along countertops and must be
connected to at least two 20-amp circuits. ✔️✔️
What is the NEC rule for the placement of electrical outlets in laundry areas?
Electrical outlets in laundry areas must be installed in accordance with NEC regulations, requiring
grounding and GFCI protection to ensure safety in these wet environments. ✔️✔️
How should the installation of junction boxes be handled when there are multiple conductors?
, Junction boxes must be large enough to accommodate all conductors, connectors, and devices, ensuring
no crowding or overheating. ✔️✔️
What is the required protection for electrical wiring that passes through an exterior wall?
Electrical wiring passing through an exterior wall must be protected by a conduit or approved method to
shield it from potential damage. ✔️✔️
What is the NEC rule regarding the use of flexible conduit for a fixed installation?
Flexible conduit can be used for a fixed installation only when the circuit requires flexibility, such as in
areas where the wiring might need to move, like connecting appliances to outlets. ✔️✔️
What is the minimum clearance between a recessed light and insulation material?
Recessed lights must have a minimum clearance of 3 inches from any insulation material to avoid
overheating and ensure proper ventilation. ✔️✔️
What is required for the installation of electrical outlets in bathrooms?
Electrical outlets in bathrooms must be GFCI protected to prevent electric shock in wet conditions.
✔️✔️
What is the purpose of using tamper-resistant receptacles in residential installations?
Tamper-resistant receptacles prevent the insertion of foreign objects into the outlet, providing safety,
especially in households with young children. ✔️✔️
What is the rule regarding the installation of a service disconnect?
A service disconnect must be installed at the point of entry of the service conductors to isolate the
electrical system from the power supply for safety and maintenance. ✔️✔️
What is the NEC rule for the installation of smoke alarms?
Smoke alarms must be installed in every sleeping room, outside each sleeping area in the immediate
vicinity, and on every level of the home. ✔️✔️
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