Kohler — Bus Bar Load Connection
Installation · Power connections
From a Kohler service manual — check it applies to your exact model before use.
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Before you start
- Connect source/load phases as marked to prevent short circuits
Procedure
- Strip cable insulation carefully avoiding nicking conductors
- Clean cables with a wire brush to remove surface oxides
- Apply joint compound to aluminum conductor connections
- Follow phase markings A, B, C, N; single-phase connects to A and C
- Use compression washer, flat washer, and minimum grade 5 bolt for bus bar connections
- Tighten to torque values in Figure 27
- Tighten utility source cables to torque values shown on the circuit breaker
- Tighten emergency source and load cable lugs to torque values on the transfer switch label
- Wipe off excess joint compound after tightening
Tools required
- Torque wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- See Figure 27 Tightening Torque for Bus Bars
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.