GENERAL KNOWLEDGE

GK

TECHNOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In the UK, what type of installation requires a fireman’s switch?
A
Neon Lighting
B
High Pressure Sodium Lighting
C
Water Features
D
Hotel Rooms
Explanation: 

Detailed explanation-1: -Where any circuit operates at a p.d. (potential difference) exceeding low voltage a fireman’s emergency switch must be provided. Such installations usually take the form of discharge lighting (neon signs), and this requirement applies for all external systems as well as internal signs which operate unattended.

There is 1 question to complete.