To ensure that the string lights used for construction can work properly, it is necessary to frequently check for any damaged areas, clean the bulbs and wires, and deal with any problems promptly. It is also very important to store them properly after use; don't damage them. 

Maintenance procedures:

Regular inspection:

• Check if the wires are worn out, if the bulbs are broken, and if the connections are loose or not.
  
• Inspect the connection points to ensure they have a rainproof function, especially for outdoor lights.
  
• Look for any signs of wear or damage on the bulbs, wires, and installed components. 

Cleaning:

• Dust and dirt may stick to the bulb, causing the light to dim. Regularly wipe the bulb with a damp cloth to keep it bright.
  
• For outdoor lights, make sure there are no leaves or other debris blocking the bulb. 

Solution:

• If the light bulb burns out, replace it immediately to maintain good brightness.
  
• If the wires are worn out or the connections are loose, repair them or replace them immediately.
  
• If the light bulb flickers or has different brightness, check the connections and the power supply. 

Proper storage:

• Don't wrap the light bulbs haphazardly.
  
• You can wrap them around a piece of cardboard or use a dedicated storage roll.
  
• Keep them in a cool and dry place and avoid damaging them.
  
• Consider removing the lights when the weather is particularly bad. 

Waterproofing:

• If you are using string lights outdoors, you need to make the connectors waterproof to prevent water damage. 
  
• Use silicone tape or heat shrink tubing to seal the connectors. 

Record:

• Write down the maintenance matters.
  
• This way, you can always keep track of the usage of the lighting system, and it will provide a basis for future decisions. 

Safety aspects:

• Ensure that all lights are protected to prevent anyone from accidentally touching or damaging them.
  
• Do not use ordinary wires to hang temporary lights unless the wires and lights are originally designed this way.
  
• Use a dedicated circuit for string lights and avoid tripping the circuit breaker, leaving workers in the dark.
  
• If using high pole lights, ensure that the installation and maintenance are properly carried out.