10
4.2.3 General Installation
Cable size
Insulator Voltage Torque Value
Max Recommended
2 AWG 600V 60 in. lbs. (7 Nm) 15 ft.
Note: This chart applies for a 100A continuous output (one battery). Where ambient
temperature is above 86°F (30°C), cable size must be increased according to NEC 310. The 6
AWG cable included in the package is intended only for the connection from the module
to an EG4® battery rack busbar.
Danger
When adding or removing a battery from any rack, cabinet, or busbar, turn off ALL batteries, and use a
voltmeter to confirm there is no voltage present. This will prevent users from encountering live
(powered) busbars by accident. Failure to do so can result in severe injury and/or death.
Tools needed for installation
The tools required may vary depending on how you choose to mount your battery. Typically, the
following items are needed to install the battery into an EG4® battery rack solution or general
racking.
1. 10mm socket and ratchet
2. Phillips head screwdriver
3. Torque wrench
4. M6-1.0 terminal bolts (included in package)
Connecting cables to the battery terminals and busbars
EG4® recommends you only use a properly sized (amp rated) busbar to parallel batteries
together. Paralleling via the battery terminals may cause inconsistent charging and discharging
issues in the bank.
1. Identify the positive and negative terminals of your battery. These are labeled and color
coded (red for positive, black for negative).
2. Verify you have all hardware to attach the cable properly. Check to ensure the bolt
threads fully into the terminal and can be tightened to the proper torque.
3. Connect the cables to your battery terminals by removing the M8 terminal bolts,
inserting them through the eyelet of the proper cable, and reseating the bolt into the
terminal block to the correct torque.
4. Connect the positive battery cables to your positive busbar by removing the bus bolts,
inserting them through the eyelets of the proper cable, and reseating the bolt into the
busbar to the proper torque value. Repeat with all negative cables.
5. DO NOT finger tighten the battery terminal bolts. They require a specific torque to
ensure they do not loosen during operation. Failure to properly tighten the terminal
bolts can result in serious damage and will void your warranty.
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