Electrical wire sheathing should not project more than about 1 inch into the Aplumbing line B floor joist C electrical panel D ground?

Electric Panel

----------------------------

Based on the answers you have proposed, Electric Panel is the correct choice. However, I do not know of any requirement in the NEC that prohibits the sheathing from extending further into the panel. There is a requirement that it must extend through the connector, but I know of no NEC requirement on when it must stop. --Sparkfighter