Coverplate, Standard, Single-Gang, Thermoplastic, 1.56" diameter (fits 20A and 30A receptacles), Black. Leviton's line of temporary power solutions now includes industrial-grade portable outlet boxes with cover plates and weather-resistant flip lids. For applications ranging from industrial and processing plants to construction and maintenance to entertainment and theater, these durable devices will help to deliver the power you need, where you need it. Constructed of high-performance TPV, these boxes maintain their integrity in most any temperature, are extremely resistant to harsh chemicals and exhibit excellent strength and resistance to fatigue. They are available in single and two-gang sizes, both feed-thru and pendant style. Plus, you can choose either high-visibility yellow (for most industrial and commercial applications) or black (for entertainment applications). Coverplates and Flip lids are available in many common configurations.