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PV OUTPUT DATA

MC-4 UPGRADE 05/26/2013

The tracker array below is the first PV I ever built, back in 2007. MC-3 connectors were the latest connectors. NEC codes now don't allow this non-lockable connector to be used. Very dangerous cause it's so easy to accidentally pull apart. I worked so hard to coil up the wires to look good. It is time to upgrade to MC-4 and best practice.

Below left is the old MC-3 non lock connector. Middle is a kit, MC-4 components. Right is a crimping tool that should be used due to the serious voltages when in use with a high voltage string inverter, FOR GOOD CRIMP CONNECTIONS.

Below, 29 feet of wire removed from just one array of 12 panels.

Below is the upgraded array. MC-4 connectors with extra lock clip. No coils of wire. 29 feet shorter wire run.

 

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