Frequently Asked Questions

1. If FEP Teflon* and silicone rubber insulated products both are rated for 200 C continuous duty, what is the difference? How do you determine which is the best material for a given application?

2. If PFA Teflon and silicone rubber insulated products both are rated for 250 C continuous duty, what is the difference? How do you determine which is the best material for a given application?

3. PFA, FEP, PTFE, and Tefzel* are all Teflon insulating materials. What is the difference?

4. What is the difference between a braided Kevlar* jacket and one with braided fiberglass?

5. Is there a moisture proof product above 250 C?

6. Color identification is important for multiconductor cables. Can you provide color identification at elevated temperatures?

7. Correctly specified and installed, high temperature cable will last longer at its rated temperature than a low temperature cable in the same application. How much longer?

8. Where should I use nickel-plated copper conductor?

9. Why is there a derating factor for ampacity on nickel-plated conductors?

NOTE: * Teflon, Tefzel and Kevlar are registered trademarks of E.I. DuPont de Nemours & Company.