Basic Electrical Electrical Wiring

Street Light Preventive maintenance checklist

Street Light Preventive maintenance checklist

Maintaining street light is important now-a-days. A lighted street prevents any types of unethical work, theft, etc. as well as saves from snake bites and from stray animals.

Also, people move easily in a lighted street. But street light is open to sky and prone to rain, wind and other weather conditions. So, needs regular maintenance to keep them working.

 

Main Parts of a Street light:

  1. Panel/timer panel.
  2. Pole
  3. Arm
  4. Street light
  5. Cable
  6. Terminal box
  7. Connector
  8. Lugs
  9. Wires
  10. MCB/MCCB

 

Problems normally found on street lights

  1. Lights not working or flickering
  2. Lights left ON during the day
  3. Lights left OFF at night or with incorrect timings
  4. Damaged lights — particularly if it is causing a safety hazard
  5. Electric pole with street light knocked over
  6. Causing problems to travelers by positioning of light
  7. Lights being obstacle by trees
  8. Dim or outdated lighting
  9. A need for stronger or additional lights
  10. Defective or improper rating of MCB

 

Faults in Street Light

  1. Light
  2. Choke or driver
  3. Connector
  4. Termination of cable
  5. Wires
  6. MCB

 

If Many Lights Are Not Working Together

  1. Cable fault may be due to civil or plumbing work
  2. Timer defective
  3. Contractor defective
  4. MCB/MCCB defective

Other Points Need To Check

  1. Grass around the pole
  2. Snake or Lizards entered to the junction box
  3. Rusting of pole
  4. Missing of Light cover
  5. Tree branches causing obstacle
  6. Earthing of street light

Functional Check Service

Each street light switchboard maintained under this Specification shall be activated and checks performed once a year for testing correct operation during normal hours shall include but not limited to the following:

  1. Turn all switches OFF & ON to stop dust build-up
  2. Turn all circuit-breakers OFF and reset
  3. Check for high resistance joints,
  4. Clean PE cell faces then cover to test functionality,
  5. Check MEN and earthing
  6. Luminaire cleaning and inspection,
  7. Inspect for any sign of vermin damage in the cabinet.
  8. Remove any Graffiti on cabinet,
  9. Trim all trees that interfere with solar-panels (where used) and light output of luminaires,
  10. Check all support structures for their integrities.