A grounding electrode conductor shall be installed in one continuous length without a splice or joint except as permitted by 250.64(C).
Permitted splicing methods include irreversible compression-type connectors listed as grounding and bonding equipment or the exothermic welding process.
Busbars and other specifically permitted arrangements shall comply with the article conditions.
Exceptions / Watch Items
The rule contains specific allowances for taps and busbar arrangements.
Common Field Gotchas
A listed irreversible H-tap used within its listing is materially different from an ordinary mechanical split-bolt splice.
