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The ORBIT INDUSTRIES RX-150 is a zinc NM/Romex connector sized at 1.5 inches, designed to secure nonmetallic-sheathed cable (NM/Romex) where it enters an electrical box or enclosure. The zinc die-cast construction provides corrosion resistance and mechanical durability in standard residential and light commercial wiring applications. This connector clamps the cable jacket firmly at the entry point, preventing strain on conductors and maintaining the integrity of the cable run. It is installed by licensed electricians and qualified electrical tradespeople during rough-in or service work.
This connector is suited for residential and light commercial electrical installations where NM-B or similar nonmetallic-sheathed cable is routed into metal electrical boxes, panels, or enclosures. The 1.5-inch trade size accommodates larger cable bundles or conduit entries requiring that knockout dimension. It is a commonly specified fitting during new construction, renovation work, and panel upgrades where code-compliant cable management is required.
Designed as an OEM-style fitting for use with nonmetallic-sheathed NM/Romex cable at 1.5-inch knockout openings in standard metal electrical boxes and enclosures.
Installation is performed by a licensed electrician in accordance with NFPA 70 (National Electrical Code). Power must be shut off at the breaker and verified de-energized with a meter before working on any enclosure. Insert the connector body through the knockout, thread on the locknut from inside the box, and tighten securely before routing cable through the clamp. Do not overtighten the cable clamp screws to the point of deforming the cable jacket.
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