21-07-2020, 02:15 PM
While agreeing totally with the above guidance on the high voltages I think it can be a good assumption to make that most anything with valves (which with a scope there is an obvious large one) will have some potentially nasty voltages about. Another point I would make is that in my experiences I have noticed that the high voltages seldom kill (but take heed as they can). It is the instinctive reaction which results in nasty gashes from metal chassis and similar which are the most common problem. From that point any higher voltage can be an issue.
I will re-iterate the original fact that 1kV mains derived EHT is likely to be lethal as that is important to know. Personally, although I seldom work with them, some valve equipment with 250V and higher supplies will not be good either. Maybe the danger here though is to make the false assumption that solid state equipment is low voltage. That is often not the case, as in, for example, scopes, CRT TV and higher power amps (particularly RF but thats another subject in itself).
Tracy
I will re-iterate the original fact that 1kV mains derived EHT is likely to be lethal as that is important to know. Personally, although I seldom work with them, some valve equipment with 250V and higher supplies will not be good either. Maybe the danger here though is to make the false assumption that solid state equipment is low voltage. That is often not the case, as in, for example, scopes, CRT TV and higher power amps (particularly RF but thats another subject in itself).
Tracy







