shall able opened from the inside the test
area.
In test laboratories measures are required prevent unauthorized entry and shall not hinder
persons from leaving.7.
Test equipment shall provided with operating instructions.6.
An adequate number red signal lights, indicating the operational status, shall installed. walls, grids, ropes, chains bars. components, appropriate RCD shall used. Test laboratories and experimental stations
The barriers shall solid walls grids least 800 high. Entrances shall provided
with warning sign „No unauthorized persons beyond this point“
A sufficient number red and green signal lights shall installed indicate the
operational status; green signal lights are not required case voltages 000 V.g.
If the test circuits are electrically connected the general power supply system, additional
protection shall provided means RCD with rated difference current ≤30 mA.
When there are separate test areas within the test laboratory
- the operational status each the test areas shall indicated means signal lights
- red signal shall indicate danger“ for the entire test laboratory whenever the operational
status ready for operation operation exists least one the test areas.
11.
The working area test stations shall such that movement test personnel not
impeded.
Emergency escape doors, gates, etc.
11.c. Operation test equipment
11.ERECTION AND OPERATION ELECTRICAL TEST EQUIPMENT 97
- due frequently changing test duties
- case varying types test objects
- case serious difficulties performing the work
- when test duties occur only occasionally
The barriers may e.
The test equipment used shall inspected for externally visible damage defects before
use. These shall contain the
information required for safe operation. They shall designed that
visual contact with the operator can maintained from outside all times.7.1 General
Test equipment may only operated under the control and supervision skilled person.
At least one emergency switching device shall installed outside the test areas.
. the
residual current includes d
