ACMA Restricted Cabling Registration Exam study materials
ACMA Restricted Cabling Registration Exam study resources

Labelling, records and a change request mid-installation

ACMA Restricted Cabling Registration Exam · Put your knowledge to work in context.

All case studies

Labelling, records and a change request mid-installation

You are midway through cabling a 40-outlet office. The patch panel is labelled with the outlet numbers you agreed with the client. The client's IT manager now asks you to move four outlets to a different patch panel because they want to separate voice and data. The cables are already pulled and terminated at the original panel. Two of the four outlets are in a meeting room that is being painted tomorrow, so access is limited. The client also asks you to leave the labelling "for the IT guy to sort out" because they have their own scheme. You have test results for the outlets completed so far.

1. How do you handle the request to move four outlets to a different patch panel?

Read the worked answer

First, confirm the change in writing: which four outlets, which panel, and whether the client accepts the cost and time. A mid-installation change affects cable routes, termination, labelling, and test records, so it needs to be documented before you start.

For the two meeting-room outlets, access is the constraint. If the cables are already terminated at the original panel and the room is being painted, you can re-terminate at the new panel without entering the room, provided the cable has enough slack and the route allows it. If not, you need access before the painting, or you schedule the change after.

Re-terminating means the original test results for those links no longer apply; retest them after the change. Update the labelling and records to match the new arrangement.

2. The client wants to leave labelling to their IT person. What is your response?

Read the worked answer

Labelling is part of the installation, not an optional extra. If you leave it unlabelled, the client's IT person has to trace every cable, which risks errors and means the as-built records do not match reality. The person who installed the cable is best placed to label it correctly.

A reasonable compromise: agree the labelling scheme with the IT manager now, apply it as you terminate, and hand over the records in their preferred format. That respects their scheme while ensuring the labelling is done correctly at installation time.

If the client still insists on doing it themselves, record that in writing and note that the as-built documentation reflects the installation as you left it. Do not sign off labelling you did not do.

3. What should your handover documentation include given the mid-job change?

Read the worked answer

Include an as-built drawing or schedule showing each outlet, its cable route, and the patch panel and port it terminates on, updated for the four moved outlets. Include the labelling scheme and a port-to-outlet list.

Include test results for every outlet, with the retested results for the four moved links clearly identified as post-change. Note the change request, the date, and what was moved.

Include any defects or limitations, such as the access constraint in the meeting room if it affected the work, and any items the client declined. Provide this to the client and keep a copy.