Mounting/installation of cabinets
Wiring the mains supply line
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4.2 Wiring the mains supply line
WARNING
Electrical voltage
Electric shock
● Work on electrical installations may only be carried out by qualified
electricians or by instructed persons working under the guidance and
supervision of a qualified electrician, in accordance with the electrotechnical
regulations.
CAUTION
Noncompliance with the following safety regulations
Risk of injury to persons and damage to property
● Compliance with the following regulations is required.
● Specialist electrical engineering knowledge is required for installation.
● Only an expert is permitted to carry out installation work.
Incorrect installation can take safety components out of operation unbeknown to a
layperson.
Preparatory work
● Before working on the system, check that the mains supply line is de-
energized.
● Check that the supply system is protected against being switching on
unintentionally.
● The mains connection is positioned at the bottom left or bottom right depending
on whether the swivel frame is mounted on the left or right.
● Depending on the equipment and design, the system features one or more
terminal blocks for 1-phase or 3-phase mains connection cables.
● The central grounding point of the 19" cabinet is wired to the PE terminal at the
factory.
● The inlets and outlets of the primary wiring must be routed in the cable ducts.
● Live cables must not be routed in the same cable ducts as data cables.
