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The PENN-UNION IISR-350 is an aluminum clear pre-insulated splicer/reducer, accommodating wire sizes from 10 AWG to 350 kcmil. It is dual rated for aluminum and copper conductors, up to 600V and 90°C, and cold temperature rated to -40°C. Suitable for cable trays, raceways, ducts, and troughs, it's pre-filled with oxide inhibitor and features removable access plugs.
This aluminum splicer/reducer is pre-insulated, abrasion and chemical resistant, and will not support combustion. It saves time by eliminating taping and reducing installation costs.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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