d. Use Figure 5 as a reference when routing field wiring inside a 4020 panel for Power-Limited Systems. Use
the top left and left-side knockouts for Power-Limited wiring only. The right-side knockouts are reserved for
Non-Power-Limited wiring. Use additional knockouts when needed.
CONDUIT ENTRANCE
FOR POWER-LIMITED
WIRING
POWER-LIMITED
WIRING
SEE NOTES 2 & 3
c
TIE WRAP
/ /WIRING
CONDUIT ENTRANCE
FOR NON-POWER-
LIMITED WIRING
/
NON-POWER-LIMITED
I
1
TIE POINT
TERMlNATlON
SEE NOTE 3
Figure 5
internal Routing of Power-Limited and Non-Power-Limited Wiring
Notes:
1. Non-power limited field wiring (AC power, Battery Wiring, City Connection) must be installed and routed in the
shaded area only.
2. Power limited field wiring (all connections in the unshaded area except the city) must be installed and routed as
shown.
3. Keep slack to a minimum inside the enclosure. Using tie wraps (supplied), neatly dress and bundle the wiring
together. Anchor power-limited wiring to the tie points.
4. Tie the wiring located between the bays to the internal wiring troughs (if applicable.)
5. When switching power through relay contacts, power for these circuits must be provided by the system power
supply that is listed for Fire Protective Signaling use.
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