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6.4.3 Checking Cables
Check to ensure the intactness and insulation of all cables before electrical con-
nection. Poor insulation or broken cables may cause potential hazards. Replace
them if necessary.
6.4.4 During Connection
• Make sure the polarities of the DC cables and the phase sequence of the AC ca-
bles are correct before connection.
• Do not pull the cables hard during electrical connection.
• Make sure there is enough wire bending space for all connection cables.
• Take proper methods to reduce the stress of cables.
• Check carefully to ensure the correctness and fastness of the connections.
6.5 Cable Requirements
Choose cables according to the requirements below:
• All cables must have sufficient ampacity. The conductor ampacity is related to
environmental conditions, conductor insulation materials, laying, wire material and cross-
sectional area, etc.
• All the cables must be chosen according to the maximum current of the PCS.
• Cables for one side should be of the same type and specification.
• Flame retardant and fire resistant cables are recommended.
Recommended cable specifications are listed below.
6 Electrical Connection User Manual
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