How to Maintain Power Connections
Functions
 WARNING |
|---|
|
HAZARD OF HEAT GENERATION
Power connections must never use other material than copper
or aluminum.
Failure to follow these instructions can result in death, serious injury, or equipment
damage.
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Power connections are the links between devices and electrical distribution systems (for example, busbars, cables). Connection terminals are used to make the links.
Degradation Factors
The factors which can cause degradation of the power connections are the following:
-
Vibration
-
Overheating
-
Incorrect tightening torque
-
Deteriorated washer
Potential Hazards
Performing regular maintenance on the power connections can help to avoid the potential hazards and consequences listed in the following table.
|
Hazard |
Consequence |
|
|---|---|---|
|
Personal injury |
Equipment damage |
|
|
Fire |
Death or serious injury |
– |
|
Thermal dissipation due to insufficient tightening torque |
– |
Burning of the cable insulation |
Preventive Action
The following table lists the preventive maintenance procedures to be performed to maintain the power connections of the device.
|
Maintenance program |
Preventive action |
Procedure |
|---|---|---|
|
Standard end-user preventive maintenance |
Check connection system. |
Power Connections NIII_2_1 |
For more information, refer to Preventive Maintenance Programs.