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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!eternal-september.org!feeder3.eternal-september.org!panix!.POSTED.panix5.panix.com!wb8foz From: David Lesher Newsgroups: sci.electronics.design Subject: Re: CAT5e cable Date: Wed, 7 May 2025 23:06:50 -0000 (UTC) Organization: NRK Clinic for habitual NetNews Abusers - Beltway Annex Message-ID: References: Injection-Date: Wed, 7 May 2025 23:06:50 -0000 (UTC) Injection-Info: reader1.panix.com; posting-host="panix5.panix.com:166.84.1.5"; logging-data="26241"; mail-complaints-to="abuse@panix.com" User-Agent: nn/6.7.3 Bytes: 3309 Lines: 60 Jeff Liebermann writes: >>I've been just picking up whatever (riser) cable is conveniently available, >>in the usual 1000 ft boxes. No real focus on manufacturer, etc. >What type of outer jacket did you buy? CL, CM, CMG, CMR, CMP, CMX, >CMX2, CMX3, etc? >Are you dealing with any kind of fire or smoke related requirements? >Some jackets trade slow burning, so that a fire doesn't spread as >quickly, for generating toxic smoke. Last I heard, the EU forbid our plenum cable as when the fireproof Teflon plenum cable is charred, the gas is quite toxic. >"Understanding Cable Jacket Ratings: CL, CM, CMR and CMP" > >>But, had to run some drops in EMT recently and noticed a marked difference >>it the overall durability of the different cables that were being fed. Worse, I saw some cable from One well-known discount vendor. The insulation on the conductors was so thin and poorly applied that there were ~~cm long bare sections within the jacket. The problem was, two were bare in an adjacent location. What was the last time you looked for a short IN the middle of newly installed cable vs. at the end connectors???? >Outdoor cable usually mean UV resistant. It can also be direct burial >cable where the space between the wires and outer jacket are filled >with silicon slime. It does a good job of keeping the water out of >the cable, but does make a mess. Beware using filled cable indoors. That gel may well be flammable. There's something in the Code re: that. >Lots of interpretations for "outdoor cable". I live where there is lightning; to me "between buildings" means fiber, period. >>Any tips on what to look for in a *description* to select for the "nicer"? >>cable? (I could probably look at the markings on the jackets to identify >>the different brands) >"Ethernet Cable Identification for Beginners: Reading Print Legends" > >Incidentally, watch out for CCA Ethernet cable. CCA means copper clad >aluminum. CCA is cheaper than 100% copper, but everything else about >it is horrible: It's good for the doorbell and tying up the dog. -- A host is a host from coast to coast...............wb8foz@panix.com & no one will talk to a host that's close.......................... Unless the host (that isn't close).........................pob 1433 is busy, hung or dead....................................20915-1433