// CODE SNIPPET
Part VIII Direct-Current Systems
Related Code Sections
685.12 Special Equipment, Direct-Current System Grounding
Two-wire dc circuits shall be permitted to be ungrounded ...
685.12 Special Equipment, Direct-Current System Grounding
Two-wire dc circuits shall be permitted to be ungrounded ...
(A) Wiring and Protection, Two-Wire, Direct-Current Systems
with 250.20 shall not be required to be grounded. Exception No. 3: Direct-current fire alarm circuits having a maximum current of 0.030 ampere as specified ...