Electrical outlet symbol cad5/19/2023 ![]() ![]() By using this method, the symbol should print out at the same size regardless of the output scale of the drawing. If I need to produce a drawing at 1:50, I then halve the scale of the blocks otherwise they would print out at double the intended size when printed at 1:50. I work in metric so I'll give metric examples: all of my electrical blocks are sized for use on drawings to be printed at 1:100. Regarding scaling of symbols your CAD blocks should be scaled up or down depending on the output scale of your drawings. Fortunately, this is still one area that the nannies haven't got their hands on, and it's up to draughtsman to decide the size of symbols. The main intention of any drawing is clear communication and so your primary aim should be legibility. In the old days we used to use stencils which used to regulate the sizes but now there's no convention. ![]() David, there aren't any standards for sizes of symbols.
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