Article 250Grounding and Bonding Sections 250.1 to 250.50. {As in NEC} Section 250.52. Grounding Electrodes. Sections 250.53 to 250.66. {As in NEC} Section 250.68. Grounding Electrode Conductor and Bonding Jumper Connection to Grounding Electrodes. {Introductory Paragraph as in NEC} Sections 250.70 to 250.109. {As in NEC}