Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Takeaway: The Gearwrench 89620 torque screwdriver’s calling card is its ease of ...

Determine whether you will be using twist-on wire nuts, push-ins, lever nuts or screw terminals. Twist-on wire nuts are a traditional, inexpensive choice that work for most splicing applications.