Lampholders, Starters and Adapters
Medium Bi-Pin Fluorescent Lampholders
MEDIUM BI-PIN – LAMP SIZE T8, T12 Inches (mm)
Description Rating Color Catalog Number
RL320
4070
Tall profile; slide-on 4-wire with
captive nut; push wire terminations
Pal-nut installed with
slide-on lugs for 18-gauge metal
U-bend lampholder with
slide-on lugs for 18-gauge metal
Tapped bracket; .32 (8.0) thick;
#6-32x14" screw assembled
Note: *Screws supplied separately.
**
U Bend circuit interrupting not available.
MEDIUM BI-PIN LOW PROFILE – LAMP SIZE T8, T12 Inches (mm)
Description Rating Color Catalog Number
Tapped bracket; .34 (8.7) thick;
screw assembled
Lampholder without bracket;
.34 (8.7) thick; with centered vertical
slot in base to engage lance tab
Center hole tapped for #8-32 screw;
.34 (8.7) thick
660W 600V White RL320
660W 600V White 4051*
660W 600V White 4070**
660W 600V White 4301W
660W 600V White 4304W
660W 600V White 4304W12
660W 600V White 4304W7
4301W
4304W
RL325
4400W
MEDIUM BI-PIN – LAMP SIZE T6, T8, T12
FOR PRE-HEAT OR RAPID START LAMPS
Description Rating Color Catalog Number
Low profile; push wire terminations:
Slide-on 4-wire with captive nut
Slide-on 4-wire
Slide-on 2-wire
Tall profile .32 (8.0) thick with “U” base;
slide-on lugs
Surface mount; tombstone with
terminal screws
660W 600V
660W 600V
660W 600V
660W 600V White 4400W
660W 600V White 4300W
Inches (mm)
White
White
White
RL325
RL325A
RL325B
PRODUCT DIMENSIONS Inches (mm)
1.23
(31.2)
1.75
(44.5)
RL320
(9.7)
.33
(8.4)
1.73
(43.9)
(9.4)
.37
.37
(9.4)
.91
(23.1)
.37
(9.4)
1.00 (25.4)
1.18 (30.0)
1.00 (25.4)
.38
.87
2.14
(22.1)
(54.4)
1.25 (31.8)
4051
4070
1.73
(43.9)
.33
(8.4)
.37
(9.4)
1.00 (25.4)
1.40 (36.0)
4301W
(13.0)
1.17
(29.7)
.315
(8.0)
.51
2.00
(50.8)
.17
(4.3)
.75
(19.1)
M
2
4300W
(25.1)
1.23
(31.2)
.99
1.28
(32.5)
RL325
1.65
(41.9)
(17.8)
1.8
(46.0)
4400W
(8.0)
.32
.69
(17.5)
1.00
(25.4)
(7.6)
1.01 (25.7)
.30
1.45 (36.8)
(1.0)
.88
(22.4)
.04
1.00 (25.4)
1.17 (29.7)
(1.4)
.05
(1.2)
.06
1.00
(25.4)
1.47
(37.4)
(8.7)
.34
.18
(4.6)
.33
(8.4)
.70
1.00 (25.4)
1.37 (35.0)
4304W
1.17
(29.7)
.59
(15.0)
4300W
(9.7)
.38
2.35
(59.7)
.81
(20.6)
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