Introduction to Electrical Engineering

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

Strana 68 z 112

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SAFETY SYMBOLS AND SAFETY IDENTIFICATION FOR USE ELECTRICAL EQUIPMENT 69 7. safety colours and safety signs are chosen and designed such way draw attention rapidly to objects and situations affecting safety and health. .3. Such principle are given the international standard ISO 3864: 1984.1 Safety colours The general meaning assigned safety colours shall given Table 7. 7. To understand this identification coding, the basic principle them should learned.1.2 Example use safety colours and contrast colours The following combination safety yellow and black may used indicate temporary or permanent risk locations such as: − locations where risk collision, falling, stumbling falling objects; − steps, holes floors, etc. The safety colours and safety signs equipment and devices are used give basic safety information. 2) Fluorescent orange-red may used place safety yellow except safety signs.3. Safety signs shall used only for instructions related safety and health. The purpose such information prevent accidents and health hazards.3.) Warning for steps, low passages, obstacles 2) Green Safe condition Escape routes Emergency exits Emergency showers First aid and rescue stations 1) Blue considered safety colour only used circular shape.1 General meaning safety colours. Safety colour Meaning objective Example use Red Stop Prohibition Stop signs Emergency stop Prohibition signs This colour also used for fire-prevention and fire- fighting equipment and its location Blue Mandatory action Obligation wear personal protective equipment Yellow Caution, risk danger Indications dangers (fire, explosion, radiation, toxic hazards, etc.3. Table 7.3. Safety information electrical equipment and devices To recognize what electrical equipment device for and whether may used for the intended purpose, the identification coding used. This colour very conspicuous, especially conditions poor natural lighting. 7