UL 6703
MC4 vs MC4 Evo2 vs Amphenol H4 vs Tyco Solarlok vs Renogy: PV Connector Compatibility, Intermateability Listings and How to Identify What Is on Your Module
The PV connector families in the field, which ones are actually listed to mate with which, how to tell them apart by sight and by marking, what NEC 690.33(C) requires, and what to do when a module ships with a connector that does not match the rest of the array.
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MC4 Crimp Procedure That Passes the Pull Test: Strip Length, Crimp Height, Tool Setting, Assembly and Torque for UL 6703 Solar Connectors
The field procedure for crimping MC4 and MC4 Evo2 connectors on 10 and 12 AWG PV wire so every joint passes a pull test: strip length, contact orientation, ratcheting crimp cycle, the inspection window, gland torque, and the ten faults inspectors and O&M crews find most.
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