Our chimney sweep tools includes a power sweep to sweep up chimneys, which is more time efficient, safer, and doesn’t add wear and tear to the rooftop. Furthermore in most chimneys it actually does a better job than the old traditional brush and rod method.. yes I do have brushes and rods if needed.. but most of the time a power sweep does a better job!
This video shows you how we clean a chimney through the clean out port with common plumbing fittings. When we power sweep up through the clean out, we go through a curved PVC plumbing pipe that we adapted for this purpose.
Years ago in Quebec, my early training was in electrical. Hence am always interested in these things.
Here is one you may find interesting, the operation of a residential circuit breaker in two types of failure (direct short and overload), as each protection method is different depending on failure type.