What are used to save time and space in the preparation of wiring plans?

The use of symbols in wiring plans is essential because they provide a standardized way to represent various components, such as switches, outlets, and fixtures, on a schematic. This standardization means that anyone reviewing the plans can quickly and accurately understand what each component represents without needing to read extensive descriptions. Symbols condense complex information into a simplified visual format, making it easier to convey ideas and instructions in a clear and concise manner.

By using symbols, electricians and engineers can create plans that take up less space, which is particularly important in documentation where clarity and brevity are crucial. Additionally, the use of symbols helps save time during the planning process, as they can be rapidly used and reused instead of redrawing detailed representations of each component every time. This efficiency is especially valuable in the fast-paced environments where these plans are often needed.