Nokia 50i, Installation Manual, Page: 20 / 58

1
Overview
20 Nokia 50i Installation Guide
Safety Precautions
Follow these safety instructions whenever you are working with the gateway.
Caution
Read and follow all of these precautions before you work near any
power source.
! Circuit breakers must be installed in the fixed wiring on all circuits to
which the gateways are connected. Ensure that all of the circuit breakers
are easily accessible.
! For installations in North America, use a 120 VAC, 20A fuse circuit
breaker for the circuit branch.
!
For installations outside North America that use 230 VAC, use a
230 VAC, 2A fuse circuit breaker.
!
Use the gateway device within the electrical ratings indicated on the back
of the device and in the product documentation.
Follow the requirements of all building and electrical codes before, during,
and after installation of the gateway.
Warning
The gateway requires protection against short-circuits (overcurrent).
Always use overcurrent protection on all conductors of electrical current
to which the gateway is connected.