This thorough Works Sign Off – Sub Mains Cables QA Checklist contains a total of 11 checks to be completed, to ensure all relevant checks are completed and to ensure that a quality install is achieved. This document is in Word format for easy electronic infilling. When purchased, you will be sent an email with a downloadable link for instant and easy download to any electronic device. The link does not expire, that means you could download this document in future as and when you need it.