Extend and Insulate the Neutral Wire Splice

What happens here

The neutral wire, which had sunk with the conduit, needs to be extended. The electrician uses a mechanical lug, also referred to as a butt splice, to connect the existing neutral wire to a new piece of wire, extending its length. The video indicates a transition from '250 MCM to 6 gauge' wire, implying a reduction in wire size, which must be carefully engineered for electrical capacity. After the splice is made, heat shrink wrap is applied over the connection. This shrink wrap is then heated with a torch or heat gun, causing it to contract tightly around the splice, providing insulation and protecting the connection from environmental elements.

Goal: Safely extend the neutral wire and protect the connection.