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4.) ALTERNATE BID EQUIPMENT
4.1) POWER DISTRIBUTION – CONNECTOR STRIPS
A) General
1) Connectors shall be available as 20A, 50A and 100A grounded stage pin, 20A twist
lock and 20A “U” ground (dual rated “T-slot”); other connectors shall be available as
specified.
2) Internal wiring shall be sized to circuit ampacity and shall be rated at 125°C.
3) Pigtails shall be three-wire type “SOW” rubber jacketed cable sized for the maximum
circuit ampacity.
4) Pigtails with 20 amp stage pin connectors shall be terminated using 12 gauge 4 way
indent crimp (with inspection window) type where the wire is inserted and crimped
directly in the socket.
5) Terminations shall be at one end using feed-through terminals individually labeled
with corresponding circuit numbers.
a) 20 amp circuits shall use screwless tension clamp terminals listed for 20 – 8
gauge wire.
b) 50 amp circuits shall use compression terminals listed for 10 – 1 gauge wire.
c) 100 amp circuits shall use compression terminals listed for 8 – 2/0 gauge wire.
d) Terminals that place a screw directly on the wire are not acceptable.
6) Connector strips shall be supplied with appropriate brackets and hardware for
mounting as shown on the drawings
a) Connector strips shall have junction brackets on 5’ centers.
b) Brackets shall be 1½” x .188” ASTM A 36 steel
c) Hardware shall be ASTM A307 grade 5.
7) A low voltage distribution system shall be available to incorporate DMX, Ethernet or
other protocols as specified in the connector strip. Connector strips shall utilize a
voltage barrier to accommodate these systems. Low Voltage signals shall enter the
connector strip via a strain relief or connector mounted in a separate low voltage
terminal box at the specified end of the connector strip. Up to four low voltage cables
shall be supported for each connector strip.
a) Connector strips with multiple DMX outputs from the same source shall use
DMX pass through assemblies consisting of a 6” panel with the one DMX output
connector, one DMX input (Pass Through) connector, one DMX pass through
(Bypass) switch, and a label detailing the use of the pass through assembly.
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