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8
1 Strap/Yoke=
(2) 12AWG
Switch
Connector
(2) 12 AWG
1 Strap/Yoke=
(2) 12AWG
Box Fill:
(9) 12AWG Conductors
Box Fill Modular Plugs
Receptacle
Connector
9 x 2.25 = 20.25 in
3
2 Ground Wires=
(1) 12 AWG
Connectors are
not counted
toward box fill
(2) 12 AWG
When using ArrowLink, simply calculate box fill as normal –
plugs and connectors, like wirenuts, are not counted.
Conductor volume example based on Chart 1:
Switch line & load conductors (1 ea) 2
Receptacle hot & neutral conductors (1 ea) 2
All equipment grounding conductors count as a single
conductor volume 1
Each single gang device yoke counts as two (2 ea) 4
Wire connectors and pigtails do not count as conductor volume 0
Total Conductor Volume 9
* Calculate volume for your application using formulas found in NEC® section 314.16
** Box volume in Chart 1 based on 4” square x 2 1/2” box = 30.3 in.
3
Chart 1
Go Modular, Increase
Efficiency And Stay
Code Compliant
ArrowLink
™
modular devices are great at saving labor
timeandcostswhilenotaffectingconductorvolume
when calculating box fill
Box Fill Calculations for ArrowLink Devices
See The Labor Savings For Yourself!
Conventional Minutes Total Cost***
Device, Termination, Mounting 2:15 $5.55
Wire / Connectors $0.27
Prep/Install Pigtails 2:40 $4.44
Individual Total: 4:55 min. $10.26
x 1000 devices 82 hours $10,265
Leaded ArrowLink Connector Minutes Total Cost***
Device, Mounting 1:05 $4.11
Connector, Install Connector 1:58 $4.16
Individual Total: 3:00 min. $8.27 Project Savings
x 1000 devices 50 hours $8,267.74 $1,997.26
SPD ArrowLink Screw Terminal Connector Minutes Total Cost***
Device, Mounting 1:05 $4.11
Connector, Install Connector 1:20 $3.42
Individual Total: 2:30 min. $7.53 Project Savings
x 1000 devices 41.5 hours $7,527.78 $2,737.22
SPD ArrowLink Push-In Terminal Connector Minutes Total Cost***
Device, Mounting 1:05 $4.11
Connector, Install Connector 0:58 $2.82
Individual Total: 2:00 min. $6.92 Project Savings
x 1000 devices 33.5 hours $6,921.72 $3,343.28
***Assumes typical union labor rates
ArrowLink
TM
Modular Wiring Devices