PSN-L Email List Message

Subject: Re: Thermal Control for Sensors
From: ChrisAtUpw@.......
Date: Sat, 17 Nov 2007 16:15:19 EST


 
In a message dated 17/11/2007, gpayton880@....... writes:

I do not like the idea of exposed  100v or 240v AC, in your case, loose 
inside the vault.  I can conceive a  safety factor as-well-as possible ac hum.  


Hi Jerry,
 
    Entirely your choice. 
 
    I use three core cable, a cable clamp and I  earth the Al plate. The 
electrical connections are soldered to the resistors and  they are completely 
covered with adhesive heatshrink insulation. The plug is  fused. 
 
    There is NO exposed wiring to touch, NO hum and it  is PERFECTLY safe.
 
    Regards,
 
    Chris Chapman



   





In a message dated 17/11/2007, gpayton880@....... writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3D"Times New Roman" color=3D#= 000000=20 size=3D3>I do not like the idea of= exposed=20 100v or 240v AC, in your case, loose inside the vault.  I can conceiv= e a=20 safety factor as-well-as possible ac hum. =20
Hi Jerry,
 
    Entirely your choice.
 
    I use three core cable, a cable clamp and=20= I=20 earth the Al plate. The electrical connections are soldered to the resistors= and=20 they are completely covered with adhesive heatshrink insulation. The plug is= =20 fused.
 
    There is NO exposed wiring to touch, NO hum and= it=20 is PERFECTLY safe.
 
    Regards,
 
    Chris Chapman

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