Physical Circuit Disconnection RoHS UL CE IP66 Open Circuit Cap For Lighting Equipment Of NEMA Sockets
JL-209 IP66 open circuit cap is used as a protective cover for lighting equipment of NEMA sockets. Comply with ANSI136.10 installation standards. Keep the socket disconnected when not in use.

- Intend to break a twist-lock photocontrol receptacle while under maintenance
- ANSI C136.10 Twist-lock compatible
- IP66 protection while installed
- UV stabilized Polycarbonate Enclosure
- High impact polybutylene terephthalate base
- Easy-to-handle Twist-bar Enclosure
| Model No. | JL-209-IP66 |
|---|---|
| Rated Voltage | 0~480VAC |
| Rated Frequency | 50/60Hz |
| Ambient Temperature | -40℃ ~ +70℃ |
| Related Humidity | 96% |
| Shell material | PC |
| IP level | IP66 |
| Certifications | ![]() |
It is a safety protective cap designed for NEMA‑standard lighting sockets. It provides physical open circuit disconnection when inserted, while offering IP66 environmental protection and complying with RoHS, UL, and CE safety standards.
When installed into an empty NEMA socket, it creates a reliable open circuit condition to interrupt electrical continuity. This prevents accidental energization, reduces arc risk, and enhances safety during maintenance, replacement, or storage of lighting fixtures.
An open circuit cap breaks the circuit to ensure no continuity, while a shorting cap shorts the circuit to discharge residual voltage. This open circuit design is used where physical disconnection is required for safety compliance.
It means the cap mechanically and electrically breaks the current path inside the NEMA socket, ensuring a safe, reliable open state that cannot be bypassed accidentally.
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