Voltec 12-00240B Professional Grade 30-Amp L14-30R Straight Blade Connector, 125/250 Volt Quick-thread assembly screws and cord-grip screws come backed-out, ready-to-wire Chemical-and impact-resistant nylon housing features horizontal, easy-grip ribs on back body Industrial-strength, brass alloy connector contacts resist heat rise, provide excellent conductivity Compatible with wire mesh strain reliefs UL Listed, CSA Certified, NOM Certified