Fluke ftpl 1 suregrip fused test probe and test lead set with fluke tl224 probes fluke fluke ftpl 1 p this fluke ftlp 1 is a suregrip fused test probe and test lead set with built in replaceable fuses for additional measurement protection if the probe fuse does blow these fused test probes will still allow the meter to indicate live voltage helping to prevent a possible misreading of no voltage present p p the fused test probe and test lead set ships with the fluke tl224 silicone test