NSI 4 Contractor Categories

Overhead line course

NSI 4 - There are four courses available depending on the type of work carried out.

CP A Scaffolding, Building Work, Anti Climbing Devices, tree Surgeons. LAC (Limited Access Certificate) only

CP B Tower Painting, Aerial Installation, Fibre Optic Cables. PFW (Permit For Work) excludes application of drain earths

CP C Tower Painting. Including application of drain earths

CP D Over Head Line Refurbishment.

The chart below indicates the sections of the Computer Based Training that need to be completed.

With the index of NSI4 at the bottom of the page showing in more detail the knowledge required for each of the four courses.