The spring contact handles the ignition spike from metal halide and similar HID lamps in fixtures that use a medium screw shell
Lutron Maestro 800W Magnetic Low Voltage Almond (MALV-1000-AL)
Lutron Ariadni 1000W Single-Pole Dimmer Black (AY-10P-BL)
letting the lighting follow bay windows
Mechanism: Twist-lock bulb retention
Leviton SmartlockPro GFCI Single Receptacle Outlet Extra Heavy-Duty Industrial Spec Grade Tamper-Resistant Pilot Light 20A/125V Black (GFPL2-PLE) backorder714 The spring contact handles theLeviton SmartlockPro GFCI Single Receptacle Outlet Extra Heavy Duty Industrial Spec Grade Tamper Resistant Pilot Light 20A 125V Black (GFPL2 PLE) SmartlockPro GFCI Single Receptacle Outlet, Extra Heavy Duty Industrial Specification Grade, Tamper Resistant, Pilot Light (Illuminated ON)20 Amp, 125 Volt, Back or Side Wire, NEMA 5 20R, 2 Pole, 3 Wire, Self Grounding Black. NOTABLE FEATURES: 20 A