Modifications to Existing Switchboards and Panelboards
Update: 2025-04-17
Description
In this episode, Tabatha L welcomes a special guest, Bill Snyder, as she discusses the rules for modifications to electric switchboards and panelboards (also known as “tapping the bus”). Bill, a commercial journeyman and creator of Nat King Code, joins Tabatha L as she discusses:
*Local authority requirements that align with National Electrical Code safety requirements
*Guidelines from utility companies, equipment manufacturers, or independent evaluation groups
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