Alpha Technologies FLEXNET POWER MPS48-7M - Manual (Page 19)

19 021-511-B4-002, Rev. B
4.0 Installation, continued
4.5 AC Connection with High Voltage Transformer, continued
4.5.2 Installing the Streetlight AC Power Tap Cable
1. Remove the 1/2" EMT knockout (7/8" dia.) and the 3/4" EMT knockout (1 1/8" dia.),
located in the center bottom of the enclosure. For alternate installation, remove
knockouts from the right side, left side or back left of the enclosure as needed.
2. Install the provided 1/2" strain relief fi tting
in the 1/2" knockout. Route the Streetlight
AC Power Tap Cable and separate
12AWG safety ground wire between the
enclosure and utility power connection.
Connect the terminal end of the safety
ground.
3. Remove two inches of the outer insulation
from the Streetlight AC Power Tap Cable,
and strip the white and black wires 1/4". See Fig. 4-3.
4. Connect the black wire to the L1 terminal on the AC input block. See Fig. 4-4.
5. Connect the white wire to the L2/N terminal on the AC input block.
6. Connect a safety ground using a #10 ring lug (for #18AWG wire) to the #10 ground stud
located on the back wall of the enclosure. Torque to 36 in-lbs (4.1 N m).
Do not connect AC power at this time; continue to Section 4.6.
1/2" Knockout
3/4" Knockout
Fig. 4-3, Streetlight AC Power Tap Cable Stripped Fig. 4-4, Streetlight AC Power Tap Cable Installed
Strip 2"
(outer insulation)
Strip 1/4"