ycrigan@cid.aes.doe.CA (Greg Neill) (02/07/90)
Hello, I have recently had the pleasure of cleaning off the grease buildup from a stove hood vent. It seems that the vent was operated for a good portion of its life without the benefit of the appropriate filter being in place, and as a result the fan motor and wiring bore the full brunt of the slimy mess (rented house -- not my fault). I removed the motor from its mounting in order to gain access to the inner reaches of the vent duct, as well as to clean up the motor. I was amazed to find that a portion of the power cord insulation had literally dissolved away leaving bear wire exposed. The plug on the end of the cord was converted to a mushy mass as well. Talk about a fire/shock hazard! I stripped down the motor and thoroughly cleaned it up inside and out, checked for shorted windings, etc., to be sure that it hadn't been damaged. The power cord for this motor is a short length of zip-cord of the type one would use for a water kettle or the like. It seems to me that even with the appropriate filter in place, some small amount of grease will always get through to this part, and so a new power cord would likely suffer the same fate eventually. My question is, is there a particular type of wire/plug I could use for this application, or failing that, if I were to replace them with identical materials, is there something I can coat these parts with in order to prevent them from degrading in the future? I don't want to spend a fortune on esoteric wiring technology. Many thanks. -- ========================================================================== E-mail addresses: u5033@crayamid.cray.com ycrigan@cid.aes.doe.ca
peg@psuecl.bitnet (PAUL E. GANTER) (02/08/90)
In article <1990Feb7.145848.13497@cid.aes.doe.CA>, ycrigan@cid.aes.doe.CA (Greg Neill) writes: > > The power cord for this motor is a short length of zip-cord of > the type one would use for a water kettle or the like. > It seems to me that even with the appropriate filter in place, some > small amount of grease will always get through to this part, and so a > new power cord would likely suffer the same fate eventually. > > My question is, is there a particular type of wire/plug I could use > for this application, or failing that, if I were to replace them with > identical materials, is there something I can coat these parts with > in order to prevent them from degrading in the future? I don't want > to spend a fortune on esoteric wiring technology. I think what you want is type "SJO" power cable. This is very hefty cord that is "grease and oil resistant". If you go to a good electrical supplier, they may have 2 conductor: with the nasty situation you describe, 3 conductor wouldn't hurt! The cost: maybe $.80 a foot. I suggest you just call an electrical supplier and ask what flexible cord they have that is grease/oil resistant. Paul
wb8foz@mthvax.cs.miami.edu (David Lesher) (02/10/90)
>> My question is, is there a particular type of wire/plug I could use >> for this application, Any of the vinyl cords should stand up. Rubber is attacked by petrochems, and I guess I can stretch that to include grease. SJO means Neopreme {sp}. Its plus is cold weather flexibility AND petrochem resistance. -- A host is a host & from coast to coast...wb8foz@mthvax.cs.miami.edu no one will talk to a host that's close..............(305) 255-RTFM Unless the host (that isn't close)......................pob 570-335 is busy, hung or dead....................................33257-0335
ISW@cup.portal.com (Isaac S Wingfield) (02/11/90)
(Greg Neill wants a power cord that will be impervious to grease): Buy a replacement cord for an electric iron; ones I've seen are a silicone material. In addition to being grease resistant, it will have better high-temp performance. The silicone ones are softer and flexible, and have that characteristic silicone slickness; older hi-temp cords are black and stiffer... Isaac isw@cup.portal.com