class F coil with 18" lead

[lotus7312]

Dear all,
Can anyone tell me what is the meaning of (class F coil with 18" lead)? Is there any other class of coil? What is their major difference?
Thanks a lot

 

[jbartos]

Suggestion: Visit

http://www.alliedelec.com/catalog/catalogpages/2002/696.pdf?Catalog=2002&PageNum=696

for Class F coil insulation standard. Leads are usually ment conductors attached to the coil ends thus extending coil ends

 

[electricpete]

The class probably refers to the thermal class of the insulation. Class A, B, F, H have been commonly used although now only F and H. H is highest temperature rating.