Black background with white and orange text that reads "Level 2 Diploma Electrical Installations". City & Guilds logo at the top right corner and Optima Electrical Training logo at the bottom left corner.
Black background with text advertising a Level 3 Electrical Installations diploma course offered by City & Guilds and Optima Electrical Training, with a logo of a light bulb.
Cover page for an electrical training course titled "C&G 2391-52 Inspection & Testing of Electrical Installations" by Optima Electrical Training, featuring the City & Guilds logo in the top right corner.