What is an initial test?

An initial test is a formal inspection (according to DGUV V3) of electrical devices, machines and systems, which is carried out to determine their functionality. The initial test takes place before the initial commissioning at the customer's site. The purpose of the initial test is to identify possible faults before they can lead to a short circuit or fire during subsequent operation.

Why do you perform an initial test?

An initial test is performed on the part of the customer in order not to be held liable in the event of damage caused by the electrical device. As a rule, the customer or contractor is liable for damage within his business. If a short circuit and subsequent fire occurs due to an electrical device, the customer is liable. Through a properly performed and documented initial test (according to DGUV V3), the customer can prove that the device had no defects at that time and that the test was without any findings. In the event of an emergency, the customer can thus prove that he cannot be held liable for any damage.

What is the procedure for an initial test?

During the initial test, the first step is a visual inspection, during which the electrical device is tested for completeness and integrity. The device is then subjected to a function test, which checks whether the device is fully functional. If the device is complete, intact and functional, the final step of the initial test is to measure the voltage of the device. All measures and potential defects are recorded in a test report.

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