Question

which is the nec® article that covers the general requirements for the grounding and bonding of electrical installations?
nec® article 210
nec® article 250
nec® article 410
nec® article 680

Explanation:

NEC® Article 250 specifically addresses the general requirements for grounding and bonding in electrical installations. Article 210 deals with branch - circuit requirements, Article 410 is about luminaires (lighting fixtures), and Article 680 pertains to swimming pools, fountains, and similar installations.

Answer:

NEC® Article 250