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Power distribution components<br />
3+3 Raceway<br />
six circuit, ten-wire raceway for desk supports<br />
infeeds, outlets and cable sleeves<br />
Morrison<br />
description type pattern no. list price<br />
Power infeeds Desk support infeed MR3-NTPI $268.<br />
Hardwire infeed (NYC) MR3-NTPNY( ) 366.<br />
Panel/desk connector MR3-NTPD 366.<br />
Duplex outlets, black Circuit A MR3-DA 39.<br />
Circuit B MR3-DB 39.<br />
Circuit C MR3-DC 39.<br />
Circuit X MR3-DX 39.<br />
Circuit Y MR3-DY 39.<br />
Circuit Z MR3-DZ 39.<br />
Duplex outlets, orange Circuit X MR3-DXO 46.<br />
Circuit Y MR3-DYO 46.<br />
Circuit Z MR3-DZO 46.<br />
Duplex outlets, black with orange triangle Circuit X MR3-DXT 46.<br />
Circuit Y MR3-DYT 46.<br />
Circuit Z MR3-DZT 46.<br />
Order Code<br />
Example: MR3-NTPI<br />
MR3 Morrison raceway<br />
N Network desk support<br />
T Tenwire3+3<br />
PI Power infeed<br />
Specification Information<br />
Morrison3+3Raceway is a<br />
four-circuit, eight-wire modular<br />
power distribution system, for use in<br />
Morrison panels and Network desk<br />
supports.3+3Raceway<br />
components distribute three 20-amp<br />
convenience circuits (A, B, C), with<br />
neutral and ground, and three<br />
protected 20-amp circuits (X, Y, Z)<br />
with separate neutral and ground.<br />
Duplex outlet circuits are<br />
designated by white letters on black<br />
background, or black letters on<br />
orange background.<br />
Specify paint finishes for hardwire<br />
infeed kit.<br />
172<br />
Application Notes<br />
Power infeeds connect building<br />
power supply to a cluster of<br />
interconnected power rails. Desk<br />
support infeed snaps into the end of<br />
any desk power rail, and includes 6<br />
foot liquid-tight conduit and pigtail<br />
for connection to floor or wall<br />
electrical box. Panel/desk connector<br />
transmits power between the end of<br />
a desk support rail and any panel<br />
base power rail outlet position.<br />
Hardwire infeed, used in all New<br />
York City installations, includes<br />
junction box that mounts to the<br />
inside of a desk support corner leg.<br />
Electrical contractor supplies<br />
conduit from building power supply<br />
to box and trims power connector to<br />
length. Hardwire kit includes<br />
painted finish cover panel.<br />
Duplex outlets are preconfigured to<br />
access one of the six circuits, A, B,<br />
C, X, Y, Z, and snap into any<br />
standard outlet location. Duplexes<br />
on circuits X, Y, Z may be specified<br />
with orange face or black face with<br />
orange triangle to signify protected<br />
circuits for electronic equipment; all<br />
other duplexes are black.<br />
Grommet outlet module stands in<br />
any Morrison (not Options)<br />
worksurface grommet for convenient<br />
access. Grommet outlet module<br />
accepts only special duplexes<br />
(MR1-DA or MR1-DB) on circuits A<br />
or B.<br />
Contact protectors enclose open<br />
conductors on power rail wherever<br />
outlets or power connectors are not<br />
planned.<br />
Cable sleeves contain and protect<br />
power and data cables passing<br />
between desk supports.