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Torque and breakers

Started by Alaska Man, April 21, 2014, 03:12:17 PM

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Alaska Man

How important is getting the exact torque on the breaker wire lugs? I just screwed then down tight.

Vic

Alaska ,

Many of us lack the correct Torque Drivers.

Suggest,  that without the correct driver,  that you torque all of these connections TIGHT,  and then let them rest over-night or for a couple of days,  and torque them tight, again.

Do NOT use finely stranded cable on any breaker lugs.  19,  or 7 strand cable is fine.

Opinion,  YMMV.   Good Luck,    Vic
Off Grid - Sys 1: 2ea SW+ 5548, Surrette 4KS25 1280 AH, 5.25 KW PV, Classic 150,WB, Beta Barcelona, Beta KID
Sys 2: SW+ 5548s, 4KS25s, 5.88 KW PV, 2 ea. Classic 150, WB, HB CC-needs remote Monitoring/Control, site=remote.
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Alaska Man

Thanks.

The local solar guy gave me these end caps to go over the stranded wire ends, but they were to big to fit into the lugs. So I nixed those too. The wire barely fits, 12 volt system.