IET Publishing Student Guides and City & Guilds Examination Preparation Books - IET Publishing PWR5210B, City & Guilds - Exam Preparation Electrical Installation, 2391.This level 3 qualification helps learners develop the knowledge and practical skills required to carry out inspection and testing on electrical installations.The qualification offers three pathways depending on the type of inspection and testing required or previous qualifications gained by learners.It sets out methods of studying, offers advice on exam preparation and provides details of the scope and structure of the examinations.The book includes practice examinations, with fully worked and ‘model' answers to help learners prepare for the sorts of questions they are likely to face in their exams.2391 is intended for practising electricians who want to expand their skills and knowledge in the area of Initial Verification and/or Periodic Inspection and continue their professional development. IET Exam Prep: Initial & Periodic Electrical Inspection & Testing (2391) 2nd Ed