Class e is an electrical fire. Water is not usedbecausewater and electricity do not mix.
Oh, dude, a class E fire alarm system? That's like the unicorn of fire alarms. It doesn't actually exist! You might be thinking of Class A, B, C, D, or K fire alarm systems, but definitely not Class E. So, unless you're in a parallel universe where Class E fire alarms are a thing, I'd say it's time to double-check that question.
Because it is for LIFE SAFETY.
As per Americal standard CLASS C is for electrical fire but in british standard it is not there because technically Electrical fire is not applicable since it will turns to CLASS A fire once it happened. so Dry Powder extinguisher is enough to extinguish the same.
C02 is a clean and gaseous agent which displaces oxygen. These fire extinguishers are good for Class B flammable liquids and Class E electrically energised equipment fires.
Carbon dioxide fire extinguishers can be used on Class B, C and E.
An electrical fire is a class 'C' fire. In addition, Class 'A' is combustibles that leave an ash. (Paper, etc.) Class 'B' is flammable liquids. Class 'C' is electrical. Class 'D' is a metal fire.
Class A fires.
Class D, combustible metals.
A class C fire is an electrical fire. A class C extinguisher is approved for electrical fires.
An electrical fire is a class "C" fire. A Class "C" fire is actually a class "A" or "B" fire that is caused by electrical current.
A class A fire is a fire that happened because of normal combustibles. This includes wood, paper, fabric, and most types of trash.