Oscilloscopes and grounding

[ViperDoc]

I'm about to take delivery of my first oscilloscope, I'm looking forward to knowing more about my builds. I wanted to ask if there is reason behind ground-lifting the scope itself to avoid arcing from chassis voltage. Is this "current wisdom" (see what I did there?), or is it fine to rely on the oscilloscope's fuse/keep the scope grounded to the wall?

Thanks.

[martin manning]

Some recent discussion here: https://ampgarage.com/forum/viewtopic.p ... 85#p417085 I recommend watching the EEVblog You Tube linked there.

[ViperDoc]

Some recent discussion here: https://ampgarage.com/forum/viewtopic.p ... 85#p417085 I recommend watching the EEVblog You Tube linked there.

Many thanks, Martin.

[Aurora]

Back in the days when TVs had the chassis connected to one phase, it was a common problem for us with IT power networks. With IT there's no neutral.... If you then had a scope with line ground connected to scope chassis...... Boom....
A lot of modern scopes have separate ground and chassis earth, - but no all. Check, or even measure, what your scope has, - and handle it correspondingly. Most scopes also have a chassis gound connection at the front. Just measure the resistance between this point and power ground.....

[ViperDoc]

Thanks for the tip, Aurora. This is the scope I picked up: a Siglent SDS1104X-E 100MHz. Should be more than what I need.

https://siglentna.com/product/sds1104x-e-100-mhz/

I've seen people using their phone as a signal generator. That's likely the last thing I'd want to do. Any good, efficient signal generators you guys like?