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Safe Isolation Chart 2019

The document outlines safety procedures for working on electrical systems, including obtaining permission, isolating power sources, proving isolation with a voltage indicator, and placing warning notices before beginning work.

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hassan elsewedy
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1K views1 page

Safe Isolation Chart 2019

The document outlines safety procedures for working on electrical systems, including obtaining permission, isolating power sources, proving isolation with a voltage indicator, and placing warning notices before beginning work.

Uploaded by

hassan elsewedy
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Isolation Procedures for Safe Working

on Electrical Systems and Equipment

Obtain permission to start work


(a Permit may be required) This flow chart illustrates a safe
isolation procedure for anyone
who works on a consumer’s
Select an approved voltage electrical systems or equipment
indicator or test lamp and
prove it is working correctly

Is the approved voltage NO Repair or replace


indicator or test lamp voltage indicator or
working correctly? test lamp
YES
Identify the source(s) of supply

Isolate the supply(s)

Secure the isolation

Prove the supply(s) have been


isolated using an approved
voltage indicator or test lamp

Has the supply(s) been NO


correctly isolated?
YES
Prove that the approved voltage
indicator or test lamp is
working correctly

Is the approved voltage NO Repair or replace


indicator or test lamp voltage indicator or
working correctly? test lamp
YES

Put up warning notices

Once the system/equipment is


proved DEAD, work can begin
JIB288 01/19 ©

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