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System Information Guide 29
Polish Center for Testing and Certification Notice
The equipment should draw power from a socket with an attached protection circuit
(a 3-prong socket). All equipment that works together (computer, monitor, printer, and so
on) should have the same power supply source.
The phasing conductor of the room’s electrical installation should have a reserve short-
circuit protection device in the form of a fuse with a nominal value no larger than
16 amperes (A).
To completely switch off the equipment, the power supply cable must be removed from the
power supply socket, which should be located near the equipment and easily accessible.
A protection mark "B" confirms that the equipment is in compliance with the protection
usage requirements of standards PN-93/T-42107 and PN-EN 55022.