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SO Cord And SOOW Cord And What Makes Them Different
Delco has been doing this for many years and just about every day it seems we are questioned what the difference is between SO cable, SOW cable and SOOW cable. SO cable is the original form of this cable and was basically the initial classification for what today is known as service cord. The S standing for service and the O standing for oil resistant Jacket. Over the years, as technology advanced the W was added to the initial classification and that meant that the outer sheath was also now water resistant. The top voltage rating on any of the above call outs is 600 volts. If you have to have more on your voltage rating you would need to look at a Type W or maybe even a Type G cable. Both of those would be good up to 2000 volts.
Today's version is now mostly called SOOW cable. The newer version now sports both an oil resistant outer sheath in addition to oil resistant internal conductors. The W still stands for a water resistant outer sheath. It is important to understand water and oil resistant and not water and oil proof. Many folks inquire if this cable is recommended for applications where the material will be under water 24/7. We do not recommend that you utilize the SOOW cable in this environment as this is not what it is made for. Think temporary power situations like stage lighting or portable generator usage etc. If the jacket gets wet occasionaly is not nearly as bad as keeping it submerged in water. The same thing is true of the oil resistant attribute of the cable. It is not recommended to keep this cable submerged in oil or any acidic material for that matter.
SOOW cable is available in sizes ranging from 18 gauge at the small end up to 2 gauge at the large end. Conductor counts can be anywhere from 2 conductors up to 60 conductors depending on the size of the cable in question.
Speak with an SO Cable Professional at Delco Wire: 1-800-714-WIRE (9473).