Title Page

  • Prepared by

Site Details

  • Address
  • Meter Number

  • Date and Time

Job Scoping

  • Is prestart scoping required? ie. Confirm site access, Check Phase Rotation

  • Is installation 3 phase

Record Phase Rotation RWB (L to R / T to B)

  • Recorded at Main Switch

  • Recorded at MIL

  • Take photo of Switches as found

  • Take photo of Switches as found

  • Proceed to next page

Setting the Scene

  • What are you doing?

LVCM 13.A - ISOLATION OF AN INSTALLATION

Step 1: At the Main Switchboard

  • Is Installation Three Phase?

  • Recorded at Main Switch RWB (L to R / T to B)

  • Recorded at MIL RWB (L to R / T to B)

Step 2: Advise

  • Advise customer supply will be interrupted

Step 3: At customers Main Switchboard

  • Record position of all Main Switches, CB’s and fuses

  • Turn off all Main Switches and CB’s

Step 4: At LV Mains

  • Remove all service fuses

Step 5: At the Main Switchboard

  • Using a proximity device Confirm Supply is De-energised

  • Test Consumer Mains Actives

  • Test Consumer Mains Neutral

Step 6: Disconnect/Isolate Installation from LV Network

  • ie: Remove OH Service and Hardware / Discoonect UG Consumer Mains from LV Pillar and Secure

Completion / Sign Off

  • Sign

LVCM 13.B: Testing an OH Service / Dedicated UG Service Cable

Step 1: Install the Service and Secure

  • DO NOT CONNECT TO NETWORK

Step 2: At the LV Mains

  • Check System Normal

  • Single Phase

  • Test between LV Mains Neutral and LV Mains Active

  • Test between Independent Earth and LV Mains Active

  • Test between Independent Earth and LV Mains Neutral

  • Test between Independent Earth and LV Mains Active

  • Multi Phase

  • Test between LV Mains Neutral and each LV Mains Active

  • Test between Phases A-B, B-C, C-A

Step 3: Connect Service to LV Mains

  • In accordance with construction standards

Step 4: At LV Mains

  • Visually Confirm all Service Actives are fused, and

  • That the Service Neutral is connected directly to the LV Mains Neutral

Step 5: At the LV Mains

  • Insert Fuses

Step 6: At Service Tails Customers End

  • Prove Correct Connections

  • Single Phase

  • Using a Voltmeter

  • Test between the Service Neutral and the Service Active

  • Using a Proximity Device

  • Test Service Active

  • Test Service Neutral

  • Test Neutral Bond Tail

  • Multiphase

  • Using a Voltmeter

  • Test between Service Neutral and each Service Active

  • Test between Phases A-B, B-C, C-A

  • Using Proximity Device

  • Test Neutral Bond Tail

Step 7: At the LV Mains

  • Remove Service Fuses

Step 8: At Service Tails Customers End

  • Confirm the Service Neutral is NOT fused or Energised and Actives are NOT Energised

  • Using Proximity Device

  • Test Service Active/s

  • Test Service Neutral

  • Test Neutral Bond Tail

Step 9: At Service Tails Customers End

  • Secure Service Tails

Completion / Sign Off

  • Sign

Replace an Existing Overhead Service - LVCM 13.A, 13.C & 13.D

Step 1: At the Main Switchboard

  • Is Installation Three Phase?

  • Recorded at Main Switch RWB (L to R / T to B)

  • Recorded at MIL RWB (L to R / T to B)

Step 2: Advise the Customer that Supply will be Interrupted

Step 3: At the Main Switchboard

  • Record position of all Main Switches, CB’s and fuses

  • Turn off all Main Switches and CB’s

Step 4: At the LV Mains

  • Remove all Service Fuses

Step 5: At the Main Switchboard

  • Using a Proximity Device, Confirm Supply has been De-Energised

  • MEN / Main Neutral as found

Step 6: At the Main Switchboard

  • Remove the MEN Connection and the Main Neutral/s from the Main Neutral Link and Secure

  • Place coloured cable ties in the removed conductors Neutral Link Terminals i.e. Black Main Neutral, Green MEN

  • MEN / Main Neutral removed

Step 7: At the Main Switchboard

  • Using a Multimeter on Ohms setting, Perform Continuity Test to confirm ALL Main Switches are OPEN. Test between LINE side of Main Switch and Neutral Link/s

  • If a reading other than (OL) is obtained re-check the installation:

    - for additional Main Switches
    - Main Switch/Switches that may have not operated correctly
    - incorrect Neutral was removed or identified
    - incorrect Switchboard wiring which may include un-switched circuits

    If all above factors have been considered, then a reading above 60,000 Ohms (60K) would be considered acceptable.

Step 8: For a Service

  • Disconnect and remove existing service line

  • Ensure that any Neutral Bonding Conductor is DISCONNECTED from metallic parts and secured

  • Install the Service and Connect to the Consumer Mains

Step 9: CONFIRM THE SWITCHBOARD IS PREPARED FOR CONNECTION and TESTING AT THE SWITCHBOARD IS IMMINENT

Step 10: At the LV Mains

  • Check System Normal

  • Single Phase

  • Test between LV Mains Neutral and LV Mains Active

  • Test between Independent Earth and LV Mains Active

  • Test between Independent Earth and LV Mains Neutral

  • Test between Independent Earth and LV Mains Active

  • Multi Phase

  • Test between LV Mains Neutral and each LV Mains Active

  • Test between Phases A-B, B-C, C-A

Step 11: Connect Service / Consumer Mains to the LV Network

  • In Accordance with Construction Standard - Visually Confirming - All Actives are fused, and - The Neutral is Connected to the LV Mains Neutral

Step 12: At the Service, Point of Supply or Switchboard

  • Confirm the Consumer Mains are NOT Energised

  • Using a Proximity Device

  • - Test Consumer Mains Active/s

  • - Test Consumer Mains Neutral

Step 13: Confirm the Switchboard is prepared for Testing

  • At the LV Mains

  • Insert Service Fuse/s

Step 14: At the Main Switchboard

  • Prove Connections (Polarity)

  • Single Phase

  • Test between the Main Neutral and Line Terminal of the Main Switch

  • Test between Independent Earth and the Line Terminal of the Main Switch

  • Test between Independent Earth and the Main Neutral

  • Test between Independent Earth and the Customer's MEN

  • Test between Independent Earth and the Line Terminal of the Main Switch

  • Multi Phase

  • Test between the Main Neutral and Line Terminal of the Main Switch

  • Test between Independent Earth and the Line Terminal of the Main Switch

  • Test between Independent Earth and the Main Neutral

  • Test between Independent Earth and the Customer's MEN

  • Test between Independent Earth and the Line Terminal of the Main Switch

  • Test between Phases A-B, B-C, C-A

Step 15: At the Main Switchboard

  • Perform Neutral Integrity Test (NIT) =< 1 Ohm

  • Record Value

  • Confirm that:<br>1. There is no high resistance connections to the network.<br>2. Supervisor has been contacted. <br>3 The high reading is due to conductor size/lengths. <br>Appropriate process followed if leaving energises.

  • Record Value

  • ABANDON TEST, ISOLATE SUPPLY, DISCONNECT ALL SERVICE TAILS FROM LV NETWORK

Step 16: At the Main Switchboard

  • Reconnect the Main Neutral and then the MEN to the Main Neutral Link

Step 17: At the Main Switchboard

  • Perform MEN Integrity Test - Test between an Earthed component and the Line Terminal of the Main Switch =< NIT

  • Accepted MEN Integrity Test points: Earth Bar, Earthed Switchboard Enclosure, Earth Electrode. Or where the previous options are not available the Neutral Link where the MEN is connected.

  • =<NIT

  • Take photo of Main Neutral Link with Main Neutral and MEN Connected

  • Have you confirmed that:<br><br>1. The Main Neutral and MEN are connected to the Main Neutral Link and Secured correctly<br>2. The Test Point is effectively Earthed<br>3. You have a good connection between test instrument leads<br><br>If all factors have been considered, then a reading within 0.1 Ohms of the NIT would be considered acceptable.

  • Take photo of Main Neutral Link

  • Move to next Step

  • ABANDON TEST, ISOLATE SUPPLY, DISCONNECT ALL SERVICE TAILS FROM LV NETWORK

Step 18: At the Main Switchboard

  • If applicable, Check Phase Rotation is correct previously recorded in Step 1

Step 19: Neutral Bond

  • Test to ensure that the disconnected bonding conductor is NOT connected to the Service Active

  • Using a Proximity Device

  • Test Neutral Bond Tail

  • Test Service Attachment Point

  • Connect the Bond to the Service Attachment Point

  • Test Bonded Metalwork

  • Bonding Completed by

Step 20: At the Main Switchboard

  • Return all Main Switches / Circuit Breakers to the position noted prior to work being carried out

Step 21: At the Main Switchboard

  • Conduct Final Test and visually confirm that the Main Neutral and MEN are connected to the Main Neutral Link

  • Using Proximity Device

  • Test Main Neutral Link and the MEN connection

  • Take photo of Secured Switchboard

Completion / Sign Off

  • Sign

LVCM 13.C - INITIAL CONNECTION

Step 1: At the Main Switchboard

  • Turn off all Main Switches, CB’s and Alternate Supplies

  • Using a Proximity Device, Confirm there is NO Supply

  • Switches on OFF Position

Step 2: At the Main Switchboard

  • Remove the MEN Connection and the Main Neutral/s from the Main Neutral Link and Secure

Step 3: At the Main Switchboard

  • Using a Multimeter on Ohms setting, Perform Continuity Test to confirm ALL Main Switches are OPEN. Test between LINE side of Main Switch and Neutral Link/s

  • If a reading other than (OL) is obtained re-check the installation:

    - for additional Main Switches
    - Main Switch/Switches that may have not operated correctly
    - incorrect Neutral was removed or identified
    - incorrect Switchboard wiring which may include un-switched circuits

    If all above factors have been considered, then a reading above 60,000 Ohms (60K) would be considered acceptable.

Step 4: Bonding

  • Is Bonding Required?

  • Ensure that any Neutral Bonding conductor is disconnected from metallic parts and Secured

  • Move to next Step

Step 5: CONFIRM THE SWITCHBOARD IS PREPARED FOR CONNECTION and TESTING AT THE SWITCHBOARD IS IMMINENT

Step 6: At the LV Mains

  • Check System Normal

  • Single Phase

  • Test between LV Mains Neutral and LV Mains Active

  • Test between Independent Earth and LV Mains Active

  • Test between Independent Earth and LV Mains Neutral

  • Test between Independent Earth and LV Mains Active

  • Three Phase

  • Test between LV Mains Neutral and each LV Mains Active

  • Test between Phases A-B, B-C, C-A

Step 7: Connect Service / Consumer Mains to the LV Network

  • In Accordance with Construction Standard - Visually Confirming - All Actives are fused, and - The Neutral is Connected Directly to the LV Mains Neutral

Step 8: At the Service, Point of Supply or Switchboard

  • Confirm the Consumer Mains are NOT Energised

  • Using a Proximity Device

  • - Test Consumer Mains Active/s

  • - Test Consumer Mains Neutral

Step 9: Confirm Switchboard is prepare for Testing

  • At the LV Mains

  • Insert Service Fuse/s

Step 10: At the Main Switchboard Prove Connections

  • Single Phase

  • Test between the Main Neutral and Line Terminal of the Main Switch

  • Test between Independent Earth and the Line Terminal of the Main Switch

  • Test between Independent Earth and the Main Neutral

  • Test between Independent Earth and the Customer's MEN

  • Test between Independent Earth and the Line Terminal of the Main Switch

  • Multi Phase

  • Test between the Main Neutral and Line Terminal of the Main Switch

  • Test between Independent Earth and the Line Terminal of the Main Switch

  • Test between Independent Earth and the Main Neutral

  • Test between Independent Earth and the Customer's MEN

  • Test between Independent Earth and the Line Terminal of the Main Switch

  • Test between Phases A-B, B-C, C-A

Step 11: At the Main Switchboard

  • Perform Neutral Integrity Test (NIT) =< 1 Ohm

  • Record Value

  • Confirm that:<br>1. There is no high resistance connections to the network.<br>2. Supervisor has been contacted. <br>3 The high reading is due to conductor size/lengths. <br>Appropriate process followed if leaving energises.

  • Move to Next Step

  • ABANDON TEST

Step 12: At the Main Switchboard

  • Reconnect the Main Neutral and then the MEN to the Main Neutral Link

Step 13: At the Main Switchboard

  • Perform MEN Integrity Test - Test between an Earthed component and the Line Terminal of the Main Switch =< NIT

  • Accepted MEN Integrity Test points: Earth Bar, Earthed Switchboard Enclosure, Earth Electrode. Or where the previous options are not available the Neutral Link where the MEN is connected.

  • =< NIT

  • Take photo of Main Neutral Link with Main Neutral and MEN Connected

  • Have you confirmed that:<br><br>1. The Main Neutral and MEN are connected to the Main Neutral Link and Secured correctly<br>2. The Test Point is effectively Earthed<br>3. You have a good connection between test instrument leads<br><br>If all factors have been considered, then a reading within 0.1 Ohms of the NIT would be considered acceptable.

  • Take photo of Main Neutral Link

  • Move to next Step

  • ABANDON TEST

Step 14: At the Main Switchboard

  • If applicable, Check Phase Rotation is correct previously recorded in Step 1

Step 15: Neutral Bond

  • Test to ensure that the disconnected bonding conductor is NOT connected to the Service Active

  • Using a Proximity Device

  • Test Neutral Bond Tail

  • Test Service Attachment Point<br>

  • Connect the Bond to the Service Attachment Point

  • Test Bonded Metalwork<br>

  • Bonding Completed by

Step 16: At the Main Switchboard

  • As per Processes -

    Turn of Main Switch/es and CB's
    or
    Leave Main Switch/es and CB's turned OFF with Sticker over Main Switch/es

Step 17: At the Main Switchboard

  • Conduct Final Test and visually confirm that the Main Neutral and MEN are connected to the Main Neutral Link

  • Using Proximity Device

  • Test Main Neutral Link ant the MEN connection

  • Take photo of Secured Switchboard

Completion / Sign Off

  • Sign

The templates available in our Public Library have been created by our customers and employees to help get you started using SafetyCulture's solutions. The templates are intended to be used as hypothetical examples only and should not be used as a substitute for professional advice. You should seek your own professional advice to determine if the use of a template is permissible in your workplace or jurisdiction. You should independently determine whether the template is suitable for your circumstances.