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2
JOHNSON CONTROLS
FORM 100.50-NOM6 (1207)
SINGLE-POINT POWER SUPPLY WIRING
WITH NON-FUSED DISCONNECT SWITCH
FIG. 2-10 – SINGLE-POINT POWER SUPPLY WIRING WITH NON-FUSED DISCONNECT
NOTES:
1. All fi eld wiring must be provided through a fi eld-supplied fused disconnect switch to the unit terminals (or optional molded
disconnect switch).
2. All electrical wiring must be made in accordance with all N.E.C. and/or local code requirements.
3. Minimum Circuit Ampacity (MCA) is based on U.L. Standard 1995, Section 36.14 (N.E.C. Section 440-34).
4. Maximum Dual Element Fuse size is based on U.L. Standard 1995, Section 36.15 (N.E.C. Section 440-22).
5. Use copper conductors only.
6. On units with an optional disconnect switch, the supplied dis con nect switch is a “Disconnecting Means” as defi ned in the N.E.C. Section 100,
and is intended for isolating the unit from the available power supply to perform maintenance and trou ble shoot ing. This disconnect switch is
not intended to be a Load Break Device.
Field Power
Supply
Earth
Ground
Line 3
Line 2
Line 1
GND
LD13004