My understanding is that this CEC "secondary seal" requirement only has to do with the conduit/cabling/gland system used to connect instrument/electrical devices. We are using armored cable with glands. Does this requirement mean that we need to put a conduit seal (EYS or other type) AND a cable...
we are installing a 1500 kva dry type transformer in a chemical plant on a concrete pad. we are feeding the transformer from underground. i have been asked if the conduits that feed the transformer have to come up through the concrete itself or if they can come up by the side of the concrete...
waross, i'm curious as to why you don't think you should megger instrument cables. as i mentioned before, others share your belief but i don't know why. the "megger-a stitch in time" book from megger.com does have a procedure for megger testing instrument, control and communication cables. as i...
thanks all for the help. to followup on your comment racookpe1978, we will be meggering individual twisted pair cables, just from the local junction box to the mounted instrument. should we disconnect both ends of the cable for the test?
sagarini
Hi all,
It has been my experience and I have heard from others that it is not standard procedure to Megger instrument cables. In our specific case we are using a 300V cable for 24VDC service. What is the forums opinion of Meggering instrument cable and what megger setting would be used for our...
i would really appreciate some clarification on the differences in these 2 specs: 1) A105N/A516 GR. 60 2) A672 GR. C60/A105. I understand that the materials of consstruction are different but for a given size and schedule, 48" standard schedule for example, are the IDs the same?
thanks
sagarini
