Blackburn 10AAW AL SPLITBOLT CONN W/SP 2/0STR-2SLD

The 10AAW covers a run size of 2/0 stranded down to a tap of 2 solid, so it splices or taps anywhere in that range. If both of your conductors fall outside 2/0 through 2 AWG, this is the wrong body size and you need a different range connector in the series.

The body is aluminum with an electro tin-plated finish, which is the standard construction for AL/CU rated mechanical connectors used on aluminum, copper, or an aluminum-to-copper combination. The tin plating is what keeps the aluminum body from reacting directly against copper. Use an oxide inhibiting compound on aluminum conductors as normal practice.

The W/SP in the description means the connector ships with a spacer, the separator that sits between the two conductors inside the bolt. It keeps a small tap conductor from being crushed or pushed out of line when you torque down on a much larger run conductor, which is exactly the situation when you are tapping a 2 solid off a 2/0 stranded. You do not order it separately; it comes with the connector.

Yes. A split bolt is a bare mechanical connector, not an insulated device, so the finished splice or tap has to be insulated to the level of the conductor insulation, normally with rubber splicing tape and an overwrap of vinyl electrical tape, or with a molded split bolt cover sized to the connector. Plan on that material being part of the job.

Blackburn is the manufacturer and the part number is 10AAW, an aluminum, tin-plated split bolt with spacer for 2/0 stranded to 2 solid. That is the number to quote for a match on a distributor order or a resubmittal.

Pricing and packaging are by the each, so one connector per unit. For a panel change or a service tap where you are making several splices, count the connections and order that quantity plus spares, since a split bolt that has been over-torqued should not be reused.

Split bolts are bulkier than a compression sleeve once the spacer and the tape wrap are on, so on a tight box a 2/0 splice can get crowded fast. If space is the constraint, a compression connector or a set screw multi-tap block is the better choice; if you need a field-serviceable connection you can open later with a wrench, the 10AAW mechanical split bolt is what does that.

Country of origin is Mexico. Institutional and government buyers working to a domestic sourcing requirement should note that before submitting it on a Buy American job.