User manual for single-phase meter
16
of products.
We insist on the recommended length of the stripped wire to ensure that the bare
metal part is long enough and can be fixed by two connection screws at the same
time. However the bare part should not exceed the terminal box wiring holes, ensure
the safety and insulation effect.
6. When using a small sectional cable, such as 4mm squared, the cable must be
placed in the medium to ensure that the screw is well tightened without
deviation.
7. The cables should be connected correctly according to the wiring diagram and
the terminals should be tightened during the installation in order to avoid any
damage caused by bad connection.
The bad fixing of connection screws will lead to the raise of resistance, which can lead
to electrical energy loss and heating of terminals. The heating of component is risky.
Besides, 1mΩ contact resistance in a circuit of 80A will result in 6.4 W power losses.
8. Check connecting wire carefully and avoid any error (such as the reverse wiring
for the incoming and outgoing lines, the wrong connection of live and neutral,
the bad fixing of screws).
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