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Stepped Wire Strip Length Gauge
A bench gauge with eight stepped lanes (5, 6, 7, 8, 10, 12, 15 and 20 mm). Push the wire into a lane until it bottoms out, close the stripper flush on the face, and you get that exact strip length every time, so Powerpole, Dupont and ferrule crimps come out consistent. Each lane has a 4.2 mm bore that takes roughly 20–14 AWG insulation (up to about 4 mm OD) and a 2.4 mm bore for 26–22 AWG hookup wire (up to about 2.2 mm OD). The block is 104 x 26 mm, and each lane's height shows its depth.
PowerPole Dual Panel Bulkhead Plate
A 78 x 44 x 4 mm bulkhead plate that fixes two Anderson PowerPole PP15/30/45 connector pairs through a go-box, battery-box or van panel — each pair slides into a 16.4 x 13.2 mm collar 22 mm deep, seats against a rear shoulder, and is locked by an M3 grub screw in a brass heat-set insert (4.0 mm bore), so it holds regardless of housing length. Four 4.5 mm M4 clearance holes at 64 x 30 mm mount it behind the panel, twin 3 x 14 mm zip-tie slots take the cable strain, and the 16.4 x 9 mm rear window leaves both contact cavities open for loading crimped contacts from behind.