110.26

Working space about equipment

Depth, width, and height of clear working space in front of electrical equipment.

210.8

GFCI protection for personnel

Typical dwelling locations where GFCI protection is required for receptacles.

210.12

AFCI branch-circuit protection

Arc-fault circuit-interrupter protection on dwelling branch circuits.

250.66

Grounding electrode conductor sizing

GEC size follows Table 250.66 based on the largest ungrounded service conductor.

250.52

Grounding electrode system

Common electrodes: metal water pipe, building steel, ground rod, concrete-encased (Ufer).

300.5

Minimum cover (burial depth)

Minimum cover requirements for underground installations — Table 300.5.

110.14

Conductor termination temperature

Termination temperature limits drive ampacity selection for many circuits.

250.4

Effective ground-fault current path

Bonding creates a low-impedance path so overcurrent devices clear ground faults.

210.52

Dwelling receptacle spacing

Wall-space receptacle placement rules for dwelling units.