Introduction to Electrical Engineering

| Kategorie: Kniha  | Tento dokument chci!

Pro: ČEKO IMPORT a.s.
Vydal: České vysoké učení technické Praha Autor: Vladimír Kůla, Michal Kříž

Strana 69 z 112

Jak získat tento dokument?






Poznámky redaktora
3 Geometric form and meaning safety signs Table 7.4 Safety signs The safety colours and contrast colours (foreground/background) and geometric form shall be used only the following combinations obtain the four basic types safety signs (Tab.3. 2) The symbol text shall placed centrally the background.3.3).3.SAFETY SYMBOLS AND SAFETY IDENTIFICATION FOR USE ELECTRICAL EQUIPMENT 70 7. . 7.1 Safety yellow and black Yellow shall cover least 50% the area the sign. Figure 7.3.3.2 Geometric form and meaning safety signs Geometric form Meaning Prohibition or mandatory action Warning Information (including instructions) 7.3 Four basic types safety signs Sign Safety colour Symbol text Background colour Foreground colour Prohibition white red circular band and crossbar black 1) Mandatory action blue white 2) Warning yellow black triangular band black 2) Information green white 1) The symbol text shall placed centrally the background, and shall not obliterate the cross bar. 7. Tab.3