This module provides Learners with knowledge and understanding of the steps in the process for installing electrical systems and the underlying principle of safety and protection. Learners will develop skills in designing/planning electrical installations up to 400 A1 per phase that meet the performance standards required by the Wiring Rules. Learners will learn to determine the number and type of circuits required for lighting, heating, power and other purposes and to select wiring systems, compatible protection devices, switchgear and controlgear for a particular purpose and application, and which comply with the safety requirements of Wiring Rules. Also covered are requirements for damp areas, ELV installations and an overview of special installations and skills in completing mandatory documentation and the need to record design and equipment selection decisions.