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9395P 250 kVA / 275 kVA / 300 kVA
User’s and Installation Guide
4.6.1
2‐Hole
Barrel Lug Terminations to Bus Bar Installation
Paragraphs 4.6.2 and 4.6.3 require connecting input, output, and battery power wiring using 2-hole
barrel lugs. See Figure 4
‐
3 for the hardware sequence when installing the lugs to the bus bars. Tighten
the nut to the torque value listed in Table 3
‐
8.
NOTE
Conical washers are special purpose washers that look similar to flat washers, except for a
slight conical shape. When installing conical washers, the top of the dome should be next to
the nut and the base of the washer should be against a flat surface such as a bus bar, flat
washer, or large terminal.
Hex Nut
Conical Washer
Lug
Bus Bar
Flat Washer
Bolt Head
Lug
Flat Washer
Hex Nut
Conical Washer
Lug
Bus Bar
Flat Washer
Bolt Head
Flat Washer
Single Lug Installation
Double Lug Installation
Figure 4‐3. Typical Bus Bar Barrel Lug Mounting – Hardware Assembly Sequence
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