Lightolier WLRK124120SB Page 2 of, One Twin Tube T5 Lamp, Photometry, Ordering Information, Type

	Wal-LyterWLRK124120SB
Page 2 of 2	High Performance, 2', Lensed Recessed Wallwasher/Accent Light
	One Twin Tube T5 Lamp

Photometry

Model No. WLRK124120SB LER = FP - 34.7 IW - 49 BF - 0.95

Comparative yearly lighting energy cost per 1000 lumens = $6.92

coefficients of utilization — zonal cavity method

	RF		20			20			20
	RC		80			50			30
	RW	70	50	30	50	30	10	50	30	10
ratio	1	62	59	57	55	54	52	53	52	50
	3	51	45	41	43	39	36	41	38	35
	2	56	52	48	48	45	43	47	44	42
cavity	4	47	40	35	38	34	30	36	33	30
	5	43	35	30	33	29	26	32	28	25
room	6	39	31	26	30	25	22	29	25	22
	8	33	25	20	24	19	16	23	19	16
	7	36	28	23	27	22	19	26	22	19
	9	30	22	17	2	17	14	21	17	14
	10	28	20	15	19	15	12	19	15	12

FOOTCANDLES ON WALL Fixtures 3 feet from wall to outside trim on lamp side of fixture

Ceiling 8' 7' 6' 5' 4' 3' 2' 1'

Floor

	INDIVIDUAL WAL-LYTER														MULTIPLE UNITS									CONTINUOUS ROW
0'	1'	2'	3'	4'	5'	6'	7'	8'				04'						6'				0'	1'	2'	3'	4'	5'	6'	7'	8'
73	56	28	13	07	5	4	4	3	093	78	64		78	093	81	65	38	26	38	65	81	151	156	157	156	157	156	157	156	157
72	58	34	18	10	7	5	4	4	100	87	78		87	100	82	69	48	36	48	69	82	178	174	178	174	178	174	178	174	178
48	40	28	17	11	7	5	5	4	078	69	66		69	078	58	52	43	34	43	52	58	144	138	144	138 1444		138	144	138	144
28	26	21	15	10	7	6	5	4	056	53	54		53	056	40	38	35	30	35	38	40	110	106	110	106	110	106	110	106	110
19	19	16	12	09	7	6	5	4	045	43	44		43	045	31	31	29	24	29	31	31	089	086	089	086	089	086	089	086	089
14	14	12	10	08	7	6	5	4	038	36	36		36	038	26	26	24	20	24	26	26	074	072	074	072	074	072	074	072	074
11	11	10	09	07	6	6	5	4	033	31	32		31	033	23	22	21	18	21	22	23	065	062	065	062	065	062	065	062	065
09	09	08	08	07	6	5	5	4	031	28	26		28	031	19	20	19	16	19	20	19	057	056	057	056	057	056	057	056	057

Ordering Information

Explanation of Catalog Number. Example: WLRK124120SBGLR

WL

R

K

1

2

Wal-Lyter:	Recessed	Reflector:	Lamps	Length:
Low iridescent		K = Pattern 19 virgin		2=24"
specular		acrylic lens
wallwash

Options/Accessories

Fusing: Internal fast-blow fusing. Suffix: GLR.

Internal slow-blow fusing. Suffix: GMF.

Radio Interference Filter: To order RIF per fixture, Suffix: R.

To order one RIF per ballast. Suffix: B.

Electrical/Wiring Options: Consult factory.

Fluorescent Emergency Lighting System: Factory-installed emergency power

battery pack with charger and inverter. Suffix: EM.

Drywall Frame: Catalog Number: WL2DF/UNV.

				Options:
Watts:	Voltage:
1=18 Watts	120 or 277			Add appropriate
2=24 Watts				suffix to catalog
4=40 Watts				no, ie: (GLR)
5=50 Watts		Ballast Type:
6=55 Watts			<20THD <10THD

1 Lamp Magnetic (TT5)	BX*	–
(40 Watt)
1 Lamp Electronic (TT5)	BA*	–
(18 Watt)
1 Lamp Electronic (TT5)	BB*	–
(24 Watt)		IB*
1 Lamp Electronic (TT5)	SB*
(40 Watt)
1 Lamp Electronic (TT5)	BE*	BP
(50 Watt)
1 Lamp Electronic (TT5)	-*	BF
(55 Watt)
LOL (TT5) Dimming	PB**	–
(40 Watt)
*Instant Start Standard

Specifications

Materials: Chassis parts are die-formed 20 gauge cold rolled steel with integral adjustable hanger clamp. Reflectors–low iridescent specular aluminum are standard.

Finish: Chassis exterior–phosphate undercoating, baked white acrylic enamel. Reflector–low iridescent specular is standard.

Lens: Virgin acrylic .187 pattern 19 with square based male conical prisms (rotates for easy lamp replacement).

Electrical: Rapid start HPF, thermally protected class “P” ballast (Biax type). If K.O. is within 3" of ballast, use wire suitable for at least 90°.

Labels: I.B.E.W./UL and ULc Listed.

optional drywall frame WL2DF/UNV.

Job Information	Type:
Lightolier a Genlyte Company	www.lightolier.com
Technical Information: (978) 657-7600 • Fax (978) 658-0595
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
© 2005 a Genlyte company	Section5/Folio K10-11 Rev. A