Hubbell HBL18223LCN Brown Industrial 3-Way Locking Wall Light Switch 20A 347V

Hubbell-HBL HBL18223LCN brown locking switch. I believe that the "CN" means that this is for the Canadian market: it is CSA approved for Canada, but it is not UL approved in the US. Extra heavy duty Industrial Grade, grounding, 3-way, back and side wired, rated 20A 347V AC. Each is individually packaged with instructions. Features include:

• Back wire entrance points for terminations accept two wires for feed through capability avoiding pigtailing
• Large brass binding head screws with deep slots secure wire connections; strip gauge for accurate wiring
• Stainless steel automatic grounding clip assures grounding continuity between mounting strap and metal wall box
• Nickel plated steel mounting strap provides superior corrosion resistance; thread cleaning captive mounting screw
• 347V/AC rating ideal for fluorescent lighting fixtures typical in commercial applications
• Combination slot/Robertson head mounting and terminal screws ease installation
• Heavy duty nylon toggle resists abuse and chemical attack making it suitable for use in the toughest environments; elastomer rocker assures quiet operation and precise timing; permanently lubricated assembly provides long life and trouble free operation
• One-piece rivetless copper alloy spring contact arm and terminal plate assure proper contact alignment, reducing heat rise; large silver alloy contacts reduce contact erosion and prevent welding, providing long life
• One-piece bridge with integral grounding terminal with #8 brass screw
• One-piece engineered thermoset base for superior heat dissipation; one-piece high impact-resistant thermoplastic front for heavy-duty industrial environments