Must the ground wire be continuous from the panel box, through the meter to the grounding rod?
In most circumstances it isn't necessary (or advisable) to go &quot;through the meter&quot;, but your exact installation would need to be addressed. The wire should be continuous.
NEC 250.64 Grounding Electrode Conductor Installation (C) Continuous...shall be continuous...If necessary, splices shall be...(1)..irreversible compression-type connectors listed as grounding and bonding equipment or by the exothermic welding process.