Fluke tl2x4w ptii resistance measuring lead fluke fluke tl2x4w ptii the fluke tl2x4w ptii features two conductors per lead allowing highly precise 4 conductor testing of resistance the lead resistance is automatically compensated for by the meter using the additional conductors these leads are suitable for the fluke 8800 desktop multimeter series fluke tl2x4w ptii resistance measuring lead cat i