Dimensions: 220 x 125mm, Thickness: 1.2mm Made from transparent, orange plastic. The rate of transparency allows to see the drawing medium below template for easy positioning. This electrical engineering stencil contains symbols of contacts, switches, rectifiers, capacitors, transformer coils, terminals, diodes, transistors, polarity and many others. Ideal for students, teachers, engineers, useful when drawing diagrams, schematics, plans, layouts. High quality, brand new item supplied in slide-in plastic wallet for easy storage and protection against scratches. Possible applications: diy pencil screwdriver pliers nec ieee edition iee regs exam national code textbook residential nesc handbook guide electrician on-site inspection 2011 lighting building services room tools testing nfpa course design home domestic alarm tester cable cutters electricity energy apprenticeships electricians circuit draw switch switchboard socket outlet fire alarm cctv data cabling diy pencil screwdriver pliers regulations regs test home domestic designer construction planning free metric dwg symbol engineer school student stensil power