I read a reply that sai be sure to use hi emp...... What is important is the tightness ( is that a word) of your connections not the wire or the terminals. I have seen the cheap aluminum terminals that lasted for years and years on some pretty heavy loads. then i have seen some burn up that were made of the good nickel hi temp material. conclusion is that your crimps must be tight but not too tight and the slide on part must be pinched before you slide it on so that it is tight when you are finished. J