How do I protect patio string light cord connections from rain?

Snap a CordSafe PLUS weatherproof cover over the plug connection between your extension cord and patio string lights. It seals the joint against rain, moisture, and accidental disconnection.

Can CordSafe PLUS be used with bistro lights and Edison bulb strands?

Yes. CordSafe PLUS fits 12–18 AWG extension cords and is ideal for protecting plug connections on bistro lights, Edison bulb strands, and other patio string light styles.

What is the best way to run extension cords for patio string lights?

Use an outdoor-rated 12–16 AWG extension cord, keep connections elevated off wet surfaces when possible, and protect every plug joint with CordSafe PLUS.

Where is CordSafe PLUS made?

CordSafe PLUS is Made in USA from UV-resistant, BPA-free polypropylene.

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Black CordSafe PLUS outdoor string light cord cover — weatherproof snap-on plug protector for patio string light connections

Jan 18, 2026

Patio String Lights for Cozy Outdoor Spaces

Patio string light connections are exposed to rain, dew, and moisture every time it rains. The plug connection between your extension cord and bistro lights or Edison bulb strands is the most failure-prone point in your entire setup. CordSafe PLUS snaps over that connection, sealing it against moisture and preventing accidental disconnection.