Electrical Connections; Installation Work At The Floor Cover - Siemens NXPLUS C Installation And Operating Instructions Manual

806-9004.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • Revision 02
18

Electrical connections

In the instructions given in the following sections it is assumed that a new switchgear is being
installed which has not yet been connected to the mains, and is not live.
For extending or replacing parts of an existing switchgear, the Five Safety Rules must be
observed:
Life-endangering voltage
Will cause death, injury or considerable property damage.
Always observe the Five Safety Rules:
➭ Isolate.
➭ Secure against reclosing.
➭ Verify safe isolation from supply.
➭ Earth and short-circuit.
➭ Cover or barrier adjacent live parts.
18.1

Installation work at the floor cover

The floor cover is pre-installed at the factory. Before starting with the installation of cable T-
plugs, the floor cover must be removed. The floor cover is installed in the course of the
installation of the cable T-plugs.
Removing the floor cover
Fig. 98: Removing the floor cover (example using 600 mm panel
width)
➭ Undo 2 nut-and-washer assemblies ① and all bolts ③ of the front floor plate ② .
➭ Lift the front floor plate ② and pull it out.
➭ Remove all other floor plates ④ . Undo all of the screws for each. Pull out the floor plate.
Then pull out the rubber sleeves ⑤ to the front.
✔ The panel is ready for connecting the cable T-plugs.
Cutting the rubber sleeves to size
The rings in the rubber sleeves are not adjusted to the cable diameters, but serve only as rough
orientation.
➭ With a knife, cut an opening into the rubber sleeve that fits the diameter of the cable.
DANGER
INFORMATION
Installation
① Nut-and-washer
assembly
② Front floor plate
③ Bolts
④ Floor plates
⑤
Rubber sleeves
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