Lightolier SG Performance, Quick Calculator, Fixture Lengths & Mounting Locations, Sample Run

Lighting Systems Silhouette® SG

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Performance

CANDLEPOWER CURVE

180˚	175˚	165˚	155˚	145˚	135˚
					125˚
					115˚
					105˚
					95˚
0					90˚
125					85˚
250					75˚
375					65˚
		0˚	90˚
500
					55˚
625
0˚	5˚	15˚	25˚	35˚	45˚
REPORT NO: LRL 299-1M
CAT NO: SG14I281WH
LAMPS: 1 F28T5
LUMENS: 2900
EFFICIENCY: 55.0%

		CANDLEPOWER							COEFFICIENTS OF UTILIZATION
ZONE	0	22	45	67	90			% EFFECTIVE CEILING CAVITY REFLECTANCE
DEG.		CANDELAS							80			70			50
180	41	41	41	41	41					WALL REFLECTANCE
175	42	42	42	42	42			70	50	30	70	50	30	50	30	10
165	40	40	42	45	45		0	63	63	63	61	61	61	56	56	56
155	37	38	46	52	54	RATIO	1	58	55	53	56	53	51	49	48	46
145	31	36	49	57	61		2	54	50	46	51	48	45	44	42	40
135	22	32	47	60	65	CAVITY	3	50	45	41	48	43	40	40	37	35
125	17	29	50	66	66		4	46	40	36	44	39	35	36	33	31
115	7	19	44	61	66		5	43	36	32	41	35	31	33	30	27
105	2	12	45	60	59	ROOM	6	40	33	29	38	32	28	30	27	24
90	4	22	55	68	51		8	34	28	23	33	27	23	25	22	19
95	3	17	51	64	54		7	37	30	26	35	29	25	28	24	22
85	10	29	63	76	59		9	32	25	21	31	25	21	23	20	18
75	34	60	88	113	112		10	29	22	18	28	22	18	21	17	15
65	61	107	111	133	146				20% FLOOR CAVITY REFLECTANCE
55	99	166	206	210	208
45	183	261	307	327	330					DISTRIBUTION
35	291	364	420	458	472		Zone
										Lumens		% Lamp		% Luminaire
25	384	441	515	560	573
							0-90			1329		45.8			83.3
15	453	481	537	587	590
							90-180			266		9.2			16.7
5	501	503	511	519	520
							0-180			1596		55.0			100.0
0	505	505	505	505	505

Calculations are for 28 watt T5 lamps, for 54 watt T5 lamps multiply by 1.7

Quick Calculator

	2,000	FOOTCANDLE							20	30	50	70	100
FEET	1,000
	700
SQUARE
	500
IN
	400
AREA
	300
ROOM	200
	100
	1	2	3	4	5	7	10	20	30	40 50	70	100	200

NUMBER OF FIXTURES REQUIRED

1.Find room area on vertical axis.

2.Move across chart to footcandle curve.

3.Move down to horizontal axis and read number of fixtures required.

Fixture Lengths & Mounting Locations

4-Foot Joiner		5/8” (1.59cm)
		8-Foot Joiner
	48” (121.92cm)

1-1/4” (3.18cm)

96” (243.84cm)

Sample Run	8-Foot Joiner	4-Foot Joiner	8-Foot Joiner	Cable
Power Feed				Assembly
End Set	96” (243.84cm)	48” (121.92cm)	96” (243.84cm)

20’ 1/8” (609.92cm)

Mounting & Joiner Block Accessories

4.6” (11.68cm)

4” (10.16cm)

8”

(20.32cm)

4” (10.16cm)

8” (20.32cm)
4” (10.16cm)
3.4”	4”
(8.64cm)	(10.16cm)

Cable Assembly	Power Feed End Set	“L”Block with Suspension		“X” Block with Suspension		“T” Block with Suspension
SC36	SE36WH (white)	SL36WH (white)		SX36WH (white)		ST36WH (white)
	SE36AL (aluminum)	SL36AL (aluminum)		SX36AL (aluminum)		ST36AL (aluminum)
Inline block available (SI36WH or SI36AL).
			Job Information		Type:


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