Pass Seymour 3911W Medium Bi-pin Lamp Holder 600V 660W

Product Description

The PASS SEYMOUR 3911W is a medium bi-pin lamp holder designed for fluorescent lighting applications. Rated at 600 VAC and 660 watts, this 2-pin socket provides a secure, code-compliant connection point for medium bi-pin fluorescent lamps in commercial and residential fixture installations. The white housing measures 2.37 inches high, making it a compact, direct-mount component suited for troffer, strip, and shop-light fixture bodies. Electricians and lighting maintenance technicians install this type of socket as a replacement or new-construction component in fluorescent lamp assemblies. It carries both UL Listing and CSA Certification, confirming it meets North American safety standards for lamp-holder performance.

This lamp holder is used in medium bi-pin fluorescent fixture applications across commercial offices, warehouses, retail spaces, and residential utility areas. It is appropriate for new fixture builds and for replacement of failed sockets in existing T8 or T12 fluorescent strip and troffer fixtures that accept a medium bi-pin base. Electricians servicing high-bay and under-cabinet fluorescent fixtures will find this socket format standard across a wide range of fixture OEM assemblies. No specific compatible model numbers are stated in the available product data.

Key Features

• Rated 600 VAC and 660 watts for reliable high-voltage fluorescent service
• Medium bi-pin base type accommodates standard 2-pin fluorescent lamp bases
• White housing blends with interior fixture bodies and reflector trays
• Compact 2.37-inch height fits tight fixture cavities
• UL Listed and CSA Certified for North American code compliance

Compatibility

Designed as an OEM-style replacement lamp holder for medium bi-pin fluorescent fixtures in residential and commercial lighting applications.

Installation Notes

Installation should be performed by a qualified electrician in accordance with the NEC and applicable local electrical codes. Always shut off and lock out power at the circuit breaker before removing or installing a lamp holder. Secure all wiring connections firmly to the socket terminals and confirm the lamp base seats fully before restoring power. Do not exceed the rated 600 VAC or 660-watt limits of this socket.