Tip. Bare copper ground wires do not need to be capped. Similarly, BX cable's metal armor sheathing, which conducts to ground without the need for an additional ground wire, may be left alone.

Can I leave ground wire exposed?

Exposed Grounding Wires

Grounding wires do not have electric current running through them most of the time, and commonly have exposed wires and connections. ... The grounding wires are safe to touch unless there is an electrical surge that causes electricity to flow through the grounding wire.

Does ground wire need to be insulated?

Grounding wires serve as an alternate path for the current to flow back to the source, rather than go through anyone touching a dangerous appliance or electrical box. ... The grounding wire is required by the National Electrical Code to be a bare wire, or if insulated, a green or green with yellow colored insulation.