User manual for poly-phase meter
44
completely banned, and the meter is installed firmly, without shaking.
To ensure the installation stability, the diameter of hanger screw
must be longer than 11mm, and the diameter of bottom fixed screws
must be wider than 7mm.
5、Cut the cable to the required length and use the wire stripper to uncover the cable.
The recommended bare metal length after stripping is at least 20mm for this series
of products.
We insist on the recommended length of the stripped wire to make sure
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
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