Cal. Code Regs. tit. 8, § 2395.51
(a) The path to ground from circuits, equipment, and conductor enclosures shall:
(3) have impedance sufficiently low to limit the potential above ground and to facilitate the operation of the overcurrent devices in the circuit.
(Title 24, Part 3, Section 250-51.)
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code.
1. Editorial correction filed 11-2-83 (Register 83, No. 45).