ICEA P-32-382 PDF

6 Oct XLPE insulation is actually capable of withstanding short-term temperature up to ℃. According to ICEA P Curves based on formula. 27 Feb ICEA P (R) Equations have been established for short circuit calculations for conductors made of copper or aluminum. The Insulated Cable Engineers Association (ICEA) standard P provides a standard physics formula for determining the short-circuit withstand of.

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I did not author it. The testing methodology was to measure low-voltage short circuits. This is first year apprentice icea p-32-382. There has been a design change in some icea p-32-382 of 3-wire NM cable in that now they are almost flat like the 2-wire versions. Find all posts by Jim Port. Send icea p-32-382 private message to Paul W. From my limited personal experience, this failure did not occur with older Type NM cable using metal clamp connectors.

ANSI – ICEA-Ppdf

The time now is icea p-32-382 That is a great tool if you remember the torque limiter and only use icea p-32-382 you need. In one testing case the failure occurred only after some minutes icea p-32-382 the application of clamping force, though this cannot be strictly attributed to plastic creep as opposed to subtle movement of the cable.

Jim Port Unmoderated Guest. The trick with pp-32-382 things like this cable retention hardware is to icfa twist the shaft of the screwdriver. This is the standard cited in a new Informational Note under Find all posts by Marc D.

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With this data reported by p-2-382 test instrument I calculated the I2T heating that the 14 circuit was subjected to. There should not be that much strain on a cable. In out of tests, the value of I2T that was reached ices the short-circuit test exceeded the maximum icea p-32-382 limit for that value in ICEA P Issues icea p-32-382 excessive clamping force ciea Type-NM icea p-32-382 are not unknown. It happened when using two cables, the one cable would have a ‘tooth’ bite into it, and it quickly became immobile.

Send a private message icea p-32-382 Thomas H. However I have neither the authority nor expertise to make a specific recommendation for appropriate mitigation of this hazard.

Please respond if you are interested in this topic. The clamp connector consists of a cast, threaded frame with a stamped plate attached by icea p-32-382 screws. Electrical Inspections Contains discussions about electrical systems.

This includes receptacles, panels, wiring, etc. The instrument records the short-circuit current and the breaker trip-time in milliseconds.

ANSI-ICEA-P-32-382-1999.pdf

Recommendations My ethical responsibilities as a member of the IEEE require that I report this problem as a potential hazard to the public. Some anecdotes of similar failures are available on icea p-32-382 Internet using Google, including one at www.

Dietrich Visit Thomas H. Paul Keleher New User.

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While the other kept icea p-32-382, no teeth on the other side, so an electrician would crank down to get the one cable secure, and in part dig into the other cable. Dietrich’s Web site Find all posts by Thomas H. Northampton County – Pa Posts: You are really just trying to keep them away from the slings and arrows of outragous construction workers. Find all posts by Icea p-32-382 Keleher. So, I signed up to post here because I p-32-3822 be able to contribute to this discussion.

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The plate icea p-32-382 embossed with a dimple, apparently designed to provide an increased peak retention force for small-diameter cables. Alternative non-metallic clamp connectors are widely available. It appears likely that cable damage occurs even with clamping force below that required to cause low-voltage shorts. icea p-32-382

His findings regarding romex cable confirm my own, which were submitted to UL icae study by the Massachusetts State Fire Marshal’s Office, to whom I reported my findings and icea p-32-382 two samples in evidence of the same problem. I think I mentioned it here before.

Experimentally flattening this dimple eliminated the failures, as did bending the plate such that the minimum opening at the fully screwed-down position was increased from icea p-32-382 ieca mm to about 5 mm. Abernathy’s Web site Find all posts by Paul W.