Hi anorlunda, thanks for the advise and caution.
I am working from home unsupervised however I feel I am competent to perform basic tests and measurements safely. I have various control measures in place that reduce the level of risk to a level I feel acceptable. I understand that safety is...
Thought of doing this one years ago!
Basically, I want to 'see' the magnetic force lines that surround a conductor when energized (with an alternating current).
I appreciate that what I will see (or at least I am hoping to see) is the pattern formed by the iron dust in response the the field...