Hubbell Electric Heater Company J manual Wiring Chart

Wiring Chart

			Unit	Branch	Phase-Phase	Min. Feed	Internal	Element	Copper Power	Conduit
kW	Volt	Ph	Amp		Resistance	Breaker or	Power Wire	Jumper			Diagram
				Amp Draw					Feed Wire Size	Size
			Draw		(Ohms)	Fuse Size	Size	Wire Size
4	208	1	19.2	19.2	10.8	25	12	N/A	10	½"	1(NT)
	240	1	16.7	16.7	14.4	25	12	N/A	12	½"	1(NT)
	480	1	8.3	8.3	57.6	15	12	N/A	14	½"	1(WT)
5	208	1	24.0	24.0	8.7	30	12	N/A	10	½"	1(NT)
	240	1	20.8	20.8	11.5	30	12	N/A	10	½"	1(NT)
	480	1	10.4	10.4	46.1	15	12	N/A	14	½"	1(WT)
	208	1	28.8	28.8	7.2	40	12	12	8	½"	4
	208	3	16.7	16.7	14.4	25	12	12	10	½"	10(NT)
6	240	1	25.0	25.0	9.6	35	12	12	8	½"	4
	240	3	14.4	14.4	19.2	20	12	12	12	½"	10(NT)
	480	3	7.2	7.2	76.8	10	12	12	14	½"	10(WT)
	600	3	6.0	6.0	114.8	10	12	12	14	½"	14
	208	1	32.5	32.5	6.4	45	12	12	8	½"	4
	208	3	18.7	18.7	12.4	25	12	12	10	½"	10(NT)
7	240	1	30.5	30.5	8.2	40	12	12	8	½"	4
	240	3	17.6	17.6	16.5	25	12	12	10	½"	10(NT)
	480	3	8.4	8.4	65.8	15	12	12	14	½"	10(WT)
	600	3	6.8	6.8	102.0	10	12	12	14	½"	14
	208	1	43.3	43.3	4.8	55	10	12	6	¾"	4
	208	3	25.0	25.0	9.6	35	10	12	8	½"	10(NT)
9	240	1	37.5	37.5	6.4	50	10	12	8	½"	4
	240	3	21.7	21.7	12.8	30	10	12	10	½"	10(NT)
	480	3	10.8	10.8	51.2	15	12	12	14	½"	10(WT)
	600	3	9.1	9.1	76.5	15	12	12	14	½"	14
	208	1	48.8	48.8	4.3	65	8	10	6	¾"	4
	208	3	29.1	29.1	8.2	40	12	12	8	½"	10(NT)
10.5	240	1	43.8	43.8	5.5	55	10	12	6	¾"	4
	240	3	25.3	25.3	11.0	35	12	12	8	½"	10(NT)
	480	3	12.6	12.6	43.9	20	12	12	12	½"	10(WT)
	600	3	10.2	10.2	68.1	15	12	12	14	½"	14
	208	1	57.7	57.7	3.6	75	8	10	4	1"	4
	208	3	33.3	33.3	7.2	45	12	12	8	½"	10(NT)
12	240	1	50.0	50.0	4.8	65	8	10	6	¾"	4
	240	3	28.9	28.9	9.6	40	12	12	8	½"	10(NT)
	480	3	14.4	14.4	38.4	20	12	12	12	½"	10(WT)
	600	3	11.3	11.3	61.2	15	12	12	14	½"	14
	208	1	64.9	64.9	3.2	85	8	10	4	1"	4
	208	3	37.5	37.5	6.4	50	10	12	8	½"	10(NT)
13.5	240	1	56.3	56.3	4.3	75	8	10	4	1"	4
	240	3	32.5	32.5	8.5	45	12	12	8	½"	10(NT)
	480	3	16.2	16.2	34.1	25	12	12	12	½"	10(WT)
	600	3	13.6	13.6	51.0	20	12	12	12	½"	14
	208	1	72.1	72.1	2.9	95	6	8	3	1"	4 (DB)
	208	3	41.6	41.6	5.8	55	10	12	6	¾"	10(NT)
15	240	1	62.5	62.5	3.8	80	8	10	4	1"	4
	240	3	36.1	36.1	7.7	50	10	12	8	½"	10(NT)
	480	3	18.0	18.0	30.7	25	12	12	10	½"	10(WT)
	600	3	14.7	14.7	47.1	20	12	12	12	½"	14
	208	1	86.5	86.5	2.4	110	6	8	2	1"	4 (DB)
	208	3	50.0	50.0	4.8	65	8	10	6	¾"	10(NT)
18	240	1	75.0	75.0	3.2	95	6	8	3	1"	4 (DB)
	240	3	43.3	43.3	6.4	55	10	12	6	¾"	10(NT)
	480	3	21.7	21.7	25.6	30	12	12	10	½"	10(WT)
	600	3	18.1	18.1	38.3	25	12	12	12	½"	14

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