Pull a pull string in the conduit along with the wires.
When you pull new cable you use the existing pull string and pull a new pull string through the conduit at the same time; this was you still have a pull string.
Pull a pull string in the conduit along with the wires.
When you pull new cable you use the existing pull string and pull a new pull string through the conduit at the same time; this was you still have a pull string.