Shortcircuit, I do not have the 2005 CD-Rom I will try my best to type out (3) & (4) exactly as printed. I have shortened (1) and (2) they are similar to 2002 just laid out different.
2005 NEC
250.64(C)Grounding conductor(s) shall be installed in one continuous length without a splice or joint except as permitted in (1) through (4):
(1) Addresses splicing with irreversible connections
(2) Addresses Sections of bus bar bolted together
(3) Bonding jumper(s) from grounding electrode(s) and grounding electrode conductor(s) shall be permitted to be connected to an aluminum or copper busbar not less than 6 mm x 50 mm (1/4" x 2").
The busbar shall be securely fastened and shall be installed in an accessible location. Connections shall be made by a listed connector or the exothermic welding process.
(4)Where aluminum busbars are used, the installation will comply with 250.64(A).
Bob
