M8 connectors Most of the existing electrical appliances
which need external power amplifiers and power supply are either without
waterproof devices. For the electrical appliances without waterproof devices,
they can only be installed in the rain shelter, which greatly increases the
construction cost; or although there are waterproof devices, most waterproof
devices are stereotyped, and can not adjust the size of the line entry holes
according to the needs, and the versatility is poor. If there is a big gap
between the wire rod and the entry hole, the rainwater will easily flow into
the electrical appliance through the entry hole, which will shorten the circuit
outlet and reduce the service life of the electrical appliance. This greatly
limits the application of appliances requiring external power amplifier and
power supply in outdoor environment for M8 connectors, and brings potential safety hazards for
appliances used outdoors.
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