美國國家電氣制造協會（NEMA）公布ANSI Z535.4-2007標準，用于規范美國國家產品安全標識和標簽。在這一標準中對于設計，應用，使用和標識放置提出了要求，標簽用于用戶識別，操作，服務或是親近各種產品時使用。 　　ANSI Z535標準歷史性地規定了怎樣在工作場所，工共場所，工業區域和消費者產品中使用的標識進行安全的信息溝通。ANSI Z535.4-2007尤其對產品應用作了規定，為安全招牌建立了統一且一致的視覺格式，標簽用于各種各樣的制造產品。這一應用考慮了產品安全標識可能要比環境標識所包含的內容多，通常需要走近觀察，所以在視覺上需與型號范圍，形狀和顏色結合在一起。 　　ANSI Z535.4-2007把產品安全招牌的設計最小化，為全國建立一個統一的規范的標識系統方便識別潛在危險的標識。這一版本鞏固了許多先前的在普通設計中的圖形化方式。這些圖形化的表達方式與有序地和視覺感應結合實現有效的溝通。 　　ANSI Z535.4-2007的表格內容和范圍已經可以查閱，也可以登錄http://www.nema.org/stds/z535-4.cfm　購買硬拷貝或電子稿，價格為72美元。也可撥打電話800-854-7179 （美國）, 303-397-7956 （國際電話）, 303-397-2740 （傳真）進行購買。 original text [COLOR=#708090]NEMA Publishes ANSI Z535.4-2007, American National Standard for Product Safety Signs and Labels （ROSSLYN, Va.）—The National Electrical Manufacturers Association （NEMA） has published ANSI Z535.4-2007, American National Standard for Product Safety Signs and Labels. This standard specifies requirements for the design, application, use, and placement of safety signs and labels intended to identify hazards for persons using, operating, servicing, or in proximity to a wide variety of products. The ANSI Z535 standards historically have addressed how to communicate safety information in the workplace, public and industrial areas, and consumer products. ANSI Z535.4-2007 specifically addresses product applications and establishes a uniform and consistent visual layout for safety signs and labels that are applied to a wide variety of manufactured goods. This application takes into account that product safety signage is likely to contain more information than environmental signs, is usually observed at a close distance, and must visually integrate with a wide range of sizes, shapes, and colors. ANSI Z535.4-2007 minimizes the proliferation of designs for product safety signage while establishing a national uniform system for the recognition of potential personal injury hazards. This version consolidates a number of previous graphic approaches into a common design that has been carefully selected to present product hazard information in an orderly and visually consistent manner for effective communication. The table of contents and scope of ANSI Z535.4-2007 may be viewed, or a hardcopy or electronic copy purchased for $72.00 by visiting NEMA’s website at http://www.nema.org/stds/z535-4.cfm. Copies may also be purchased by contacting IHS at 800-854-7179 （within the U.S.）, 303-397-7956 （international）, or 303-397-2740 （fax）.[/COLOR]