10 Questions
What details should be clearly marked on the LED lights?
Voltage, wattage, power factor, country of origin
Which materials should not be used for the construction of LED lights?
Cotton, wood, silk, paper
What material should the earthing screw of LED lights be made of?
Brass or similar materials
What should be used to test the protection against accidental contact with live parts of LED lights?
Test finger
After being kept in a humidity chamber for 48 hours, what should the insulation resistance of LED lights be?
Greater than 2M ohm
What is the purpose of the 28-day test for circuit breakers IC 898?
To test the mechanical and electrical endurance
What should be done to the terminals for external conductors of circuit breakers IC 898 during testing?
Tighten the screws and pull
Which aspect of circuit breakers IC 898 should be tested using a test finger?
Protection against electric shock
What should be checked after leaving circuit breakers IC 898 in a humidity chamber for 48 hours?
Insulation resistance
How long should circuit breakers IC 898 be run at rated operational current to check for temperature changes or smoke?
4 to 8 hours
Test your knowledge on LED lights and their compliance with international standards such as BS EN 62031, IC 60598 1 -, IEC 598 1 - & BS EN 61347 1 -. Learn about the importance of clear markings on LED devices and the materials used in their construction. Challenge yourself to understand the provisions for protection in LED lights.
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