Generac — Generator Connections and Control Wiring
Installation · Electrical
From a Generac service manual — check it applies to your exact model before use.
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Before you start
- Wires 23, 194, 0 must be run through provided wire shielding to separate low voltage from high voltage unless NEC 300.3(c)(1) met
Procedure
- Remove appropriate Main AC/Control Wiring Knock-out Plug from back of generator
- Install conduit and Main AC and Control Wires between generator and transfer switch
- Seal conduit at generator per code
- Strip insulation from wire ends
- Push spring loaded connection point with flat head screwdriver, insert wire, release
Tools required
- Flat head screwdriver Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Control wire size by length: 1-115 KuduParts $20.00 FridayParts $20.30 ft No.18 AWG; 116-185 ft No.16 AWG; 186-295 ft No.14 AWG; 296-460 ft No.12 AWG
Source: Generac 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.