Multiquip 1742 Safety Switch Wire

The Multiquip 1742 Safety Switch Wire is a genuine OEM component designed for DAW500SA4 and DLW400ES series welder/generator equipment. Sourced directly from Multiquip, this wire ensures an exact match to the original factory harness routing and connector configuration — no cutting, splicing, or adapting required. Verified fitment covers the DAW500SA4 and DLW400ES, DLW400ESA, and DLW400ESA1 models, making it a straightforward service part for technicians maintaining these units in the field or shop.

Key Features

• Genuine OEM Electrical Integrity — Manufactured to the original conductor gauge, insulation rating, and terminal specification so resistance and continuity match the design intent of the safety switch circuit.
• Direct-Fit Connector Terminals — Factory-correct terminals plug directly into the existing safety switch harness, preserving the original wiring layout without modification.
• Confirmed Fitment — Compatible with DAW500SA4 and DLW400ES, DLW400ESA, and DLW400ESA1 Multiquip welder/generator models.
• Safety Circuit Continuity — A damaged or failed safety switch wire can disable the protective shutdown system, leaving the machine unable to detect fault conditions; replacing it restores full circuit function.
• Electrical Safety Compliance — On welder/generator equipment, safety switch wiring is part of the protective interlock system — using a genuine OEM wire maintains the integrity of that circuit as originally engineered.

The safety switch wire carries the electrical signal between the safety switch and the machine's control circuit, enabling the interlock system to shut the unit down when a fault condition is detected — such as low oil pressure or an unsafe operating state. Without a properly functioning wire, the safety switch cannot communicate with the control system, meaning the machine may fail to protect itself or the operator during a fault event. Replacing a worn, corroded, or damaged wire with a genuine OEM part restores the reliability of this critical protective function.

For fitment questions or to confirm compatibility with your specific unit, contact the DHS Equipment parts team directly.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.