Key Switches and Neons
- Thread starter thomo27
- Start date
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AM2 exam?
A keyswitch is just a switch, just the same as either one way or two way switch.
There are others available such as intermediate and double poled.
Neon indicators are just the same as a lamp, apply L to one side and N to the other and it lights up.
Emergency lights come in a few different varities such as non maintained (off when power is applied, on when power fails) and maintained (on all the time or switchable, on when power fails).
What is the configuration you are looking at? An emergengy light test keyswitch can be wired with permanent live to com, L1 to the emergency light and L2 to the neon so the neon illuminates when the test key is operated thus removing power to the emergency light.
A keyswitch is just a switch, just the same as either one way or two way switch.
There are others available such as intermediate and double poled.
Neon indicators are just the same as a lamp, apply L to one side and N to the other and it lights up.
Emergency lights come in a few different varities such as non maintained (off when power is applied, on when power fails) and maintained (on all the time or switchable, on when power fails).
What is the configuration you are looking at? An emergengy light test keyswitch can be wired with permanent live to com, L1 to the emergency light and L2 to the neon so the neon illuminates when the test key is operated thus removing power to the emergency light.
Hi Spark
No not the AM2 but I understand why you would ask
The Neons are to be lit permanently to show that there is power to the switch , the emergency are to be wired so that when the key is inserted the mains are switched off and the emergency kicks in...
Am I right in saying that you would run mains to the switch to wire the Neon as youd need a Line and Neutral
Could you then take a link from the Line on the Neon to the Supply side of the key switch and then run the line from the Load side to the emergency fitting ?
The reason I ask is that I am an adult trainee working on a job at the moment and I have taken the lighting plans home to work out how I would go about wiring the lights - im ok with wiring up to the key switches I just need a bit of fine tuning on the key switches
Appreciate your help
Thanks
Stephen
No not the AM2 but I understand why you would ask
The Neons are to be lit permanently to show that there is power to the switch , the emergency are to be wired so that when the key is inserted the mains are switched off and the emergency kicks in...
Am I right in saying that you would run mains to the switch to wire the Neon as youd need a Line and Neutral
Could you then take a link from the Line on the Neon to the Supply side of the key switch and then run the line from the Load side to the emergency fitting ?
The reason I ask is that I am an adult trainee working on a job at the moment and I have taken the lighting plans home to work out how I would go about wiring the lights - im ok with wiring up to the key switches I just need a bit of fine tuning on the key switches
Appreciate your help
Thanks
Stephen
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