Testing The Guardian Cat Terminal - Lightning Protection International Guardian System 5 Installation Manual

• Once every twelve months.
• If changes have been made to the structure.
Checks to be conducted in standard maintenance inspection:
• Is there any damage to Guardian System 5?
• Has the structure to be protected been modified since the last maintenance check?
• Check finial tip for excessive pitting.
• Check all rigging, mast mounts, saddles and conductor fixings are secure and tight.
• Ensure that no dirt or other matter is sitting in the air gap between the finial tip and the
surrounding panel edges.
• If conventional downconductors are used, check that all conductors are securely fixed and
not damaged.
• Check for damage to the LPI HVSC. The downconductor should not be able to be accessed
by non authorised people or machinery.
• All warning labels must still be in place.
• Check LSR1 for secure installation and record number of strikes.

Testing the Guardian CAT Terminal

Tools required to complete operational test of Guardian CAT terminal
A Standard Insulation Tester such as a Megger will be required to complete testing of the
Guardian CAT terminal. The insulation tester to be used must have a meg ohm scale that
provides for a voltage of between 500V and 1500V to be applied.
Steps for testing Guardian CAT terminal
1. The Guardian CAT terminal can be tested once installed or prior to mounting.
2. Ensure that the Guardian CAT terminal is dry prior to testing the terminal. If moisture is
visible wipe dry with a clean cloth.
3. If the terminal is not yet installed and moisture is visible complete step 2. As an additional
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Document 36 II Guardian Version 1.02 © Copyright 2008 LPI
22/9/08 4:25:27 PM