The findings should explain the work recommended for your actual installation. If another contractor must provide access, make that task clear. Do not let an unidentified connection be removed as garden debris or assume a freshly painted energiser enclosure represents the condition of the less visible parts of the fence.
For a new electric fence installation, have the complete arrangement assessed, including the equipment, boundary and relevant earthing provisions. Obtain applicable owner or scheme approval. Keep the completed-work description and useful installation information so future ground work can be planned around known components without an owner guessing at their function.