Why yes, that is a bonding jumper between the main lug on the neutral bus and the neutral bus itself. I wonder what trade put this panel in? : r/electricians
Article 100 Bonding Jumper, Main.
Electrical grounding and bonding per NEC | Van Meter Inc.
Understanding Neutral, Ground, Grounding, and Bonding - Environmental Potentials
Panel Question - Electrical Inspections - InterNACHI®️ Forum
wiring - Can you have neutrals on ground bar only bonded through main panel body - Home Improvement Stack Exchange
Grounding and Bonding with Concentric and Eccentric Knockouts | UL Solutions Code Authorities
Old Square D Panel. Where is the bonding jumper? Is there one? : r/electricians
Grounding and Bonding — Part 1 of 3 | EC&M
The Grounded Conductor – New Informational Note Article 100 – 2020 NEC | JADE Learning
Should you bond the neutral and the ground wire in the main panel? - E&S Grounding Solutions