How do I verify isolation transformer output current?

How do I check fixture input current on an airfield lighting circuit?

What tool is required to measure isolation transformer secondary current?

Why should I clamp only one conductor during current measurement?

What happens if I clamp both conductors with the meter?

Why avoid clamp tests on molded connectors?

When should I use a known good fixture as a reference?

What step should the CCR be set to for this verification?

What is the expected clamp meter reading during the test?

Where should I locate the fixture pigtail cable?

How do I choose the best location to clamp the conductor?

What safety precautions apply when using a clamp meter on airfield circuits?

Is PPE required for verifying fixture input current?

What does it indicate if the clamp meter does not match the CCR setting?

Why confirm power is reaching the fixture before further diagnostics?