Electrical Fundamentals, Continued: T-8 / Fluorescent Bulbs - Structural Concepts ADDENDA 86772 User Manual

ELECTRICAL FUNDAMENTALS, CONTINUED: T-8 / FLUORESCENT BULBS

3. T-8 / Fluorescent Light Fixtures
Warning: Disconnect power before providing
maintenance/service to unit.
Ballast Access/Removal
Assembly or disassembly and servicing to be
accomplished by licensed electrical contractor.
• The light ballast is located inside the header.
• Unplug light harness (plug and receptacles). See
next page for illustration.
• Remove the header electrical box.
• Remove florescent bulb.
• Remove screws securing the ballast box to
the header top.
• Remove wire nuts from electrical leads.
• Some models have quick disconnect
releases from the wire harness.
• Remove nuts from ballast end mounting flanges.
Light fixtures are located on the underside of each
shelf assembly and at the top inside of case.
Removal of lamp:
• Rotate lamp (1/4 turn) so that pins are aligned in
slots and remove bulb.
Installation of lamp:
• Align pins with slot.
• Insert pins into socket and rotate 1/4 turn to
secure pin contacts in socket.
Header
View of Removal /
Install of Standard
Fluorescent
Light Fixtures
9
Electrical Box, Header
Ballast
Light Socket
Lamp Pins
Lights
Light Fixture