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Fitted some Street CCTV Cameras with plastic cases, on coulomb's, they are powered from a 24 volt Power supply which is is double insulated class 2. the out put feed from this is then taken to the Camera in shoot gun cable with the video. Customer claims Highway Street Furniture ECS...

Runs of for short time, then stops and starts, I can hear the relay on the PCB clicking, then stops completely, sometimes water empty light flashes. I have checked for blockages in condenser etc and the water inlet to tank is ok. What is the sensor at the front by the filter ? is that the...

Many hanks for the reply, it does make sense what you say, and I suppose a motor would be the easy way to do it.

Can some one explaine this, a friend of mine has a 3 phase lath in his workshop connected to a single to 3 phase inverter, he has trouble with the lathe motor phaseing at slow speeds and when reversing, he read in a engineering magazine that if you connected another small "slave" motor across...