11. components, appropriate RCD shall used. Operation test equipment
11.7. walls, grids, ropes, chains bars.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. 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.7.1 General
Test equipment may only operated under the control and supervision skilled person.6.
Test equipment shall provided with operating instructions.
The working area test stations shall such that movement test personnel not
impeded.
In test laboratories measures are required prevent unauthorized entry and shall not hinder
persons from leaving. shall able opened from the inside the test
area. the
residual current includes d.
. These shall contain the
information required for safe operation.
11.
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.
If the test circuits are electrically connected the general power supply system, additional
protection shall provided means RCD with rated difference current ≤30 mA.g.
At least one emergency switching device shall installed outside the test areas. Test laboratories and experimental stations
The barriers shall solid walls grids least 800 high.
Emergency escape doors, gates, etc.
The test equipment used shall inspected for externally visible damage defects before
use. They shall designed that
visual contact with the operator can maintained from outside all times.c.
An adequate number red signal lights, indicating the operational status, shall installed
