Tip: If you need a Spectacle Blind symbol for your electrical schematic drawing quickly and easily, Capital Electra X has you covered! There’s an entire library full of pre-made P&ID ISO fitting symbols for your electrical or P&ID drawing requirements. Whether it's a P&ID Spectacle Blind symbol or a Spectacle Blind open or closed symbol, all you have to do is drag and drop the symbol you want into a schematic, and you’re all set!