III
access device end, the cable insulation shall at the same time ensuring the smooth lines Leather pressed
into the terminals to avoid insulating layer and copper wire from the emergence of live wire exposed after
heating; when the old line construction, to examine the electrical circuit should be carried out to ensure
that no power lines after the construction operations.
Grounding Require
ment
：
During installation
，
all electronic devices in the system must be grounded.