Iec 60417 Symbols Pdf

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Placido Teofilo

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Aug 5, 2024, 2:24:52 AM8/5/24

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Thiscollection includes both ISO and IEC graphical symbols that can be placed on equipment to indicate how to use it correctly and safely. It includes symbols for all types of equipment, from automobiles and home entertainment products to earth-moving machinery.

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A power symbol is a symbol indicating that a control activates or deactivates a particular device. Such a control may be a rocker switch, a toggle switch, a push-button, a virtual switch on a display screen, or some other user interface. The internationally standardized symbols are intended to communicate their function in a language-independent manner.

Because the exact meaning of the standby symbol on a given device may be unclear until the control is tried, it has been proposed that a separate sleep symbol, a crescent moon, instead be used to indicate a low power state. Proponents include the California Energy Commission and the Institute of Electrical and Electronics Engineers. Under this proposal, the older standby symbol would be redefined as a generic "power" indication, in cases where the difference between it and the other power symbols would not present a safety concern. This alternative symbolism was published as IEEE standard 1621 on December 8, 2004.[2][3][4][5]

Universal power symbols are described in the International Electrotechnical Commission (IEC) 60417 standard, Graphical symbols for use on equipment, appearing in the 1973 edition of the document (as IEC 417) and informally used earlier.[2]

The standby symbol, frequently seen on personal computers, is a popular icon among technology enthusiasts. It is often found emblazoned on fashion items including t-shirts and cuff-links.[14] It has also been used in corporate logos, such as for Gateway, Inc. (circa 2002), Staples, Inc. easytech, Exelon, Toggl and others,[2] as record sleeve art (Garbage's "Push It") and even as personal tattoos. In March 2010, the New York City health department announced they would be using it on condom wrappers.[15] The 2012 television series Revolution, set in a dystopian future in which "the power went out", as the opening narration puts it, stylized the second letter 'o' of its title as the standby symbol. The power symbol was a part of exhibition at MoMA.[16] In the anime Dimension W, Kyouma Mabuchi wears a Happi with the power symbol on his back. In the television series Sense8, the hacktivist character Nomi has a tattoo of the power symbol behind her ear.

With the various markings available to identify ground terminals, how do you know which specific symbol should be used? The international standards are the right place to go for guidance, and this column will outline these best practices for use of earthing (grounding) symbols and markings.

Identifying the ground terminal is critical to ensuring the products you design can be properly used and serviced in a safe manner. The actual symbols used to indicate ground terminals are found in IEC 60417 Graphical symbols for use on equipment (Figure 1).

No. 5019 Protective earth (ground): To identify any terminal which is intended for connection to an external conductor for protection against electrical shock in case of a fault, or the terminal of a protective earth (ground) electrode.

After our recent blog Why the Power Symbol Looks the Way It Does we went down the rabbit hole of looking for more symbols and stumbled upon this online catalog of all the graphic symbols from ISO 7000 / IEC 60417 standards:

The aforementioned document contains a huge array of symbols used in everyday as well as niche settings. On the ISO website, the icons are displayed without descriptions, so for those inclined to make a game of it: try to guess each symbol before you click to learn more.

Establishes uniform graphical symbols, their graphic form, meaning and application. These graphical symbols are placed on equipment or parts of equipment of any kind in order to instruct the persons handling the equipment as to its use and operation; they are also placed on sites and ways where people may assemble, or move, giving them instructions, such as prohibitions, warnings, rules or limits, for their behaviour. They are used in pictorial reproductions, such as plans, drawings, maps, diagrams and similar documents. For use in information processing and retrieval systems, a coded designation is applied to each of the symbols in this publication.This is a loose-leaf publication; supplements, containing new and revised sheets, are issued from time to time (see below).

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