Product Details

Product Description

HDBC, Hard-Drawn Bare Copper Conductor (ASTM B1/B8)
Applications
Solid and stranded (classes AA and A) bare copper are suitable for overhead transmission and distribution applications.
Stranded conductor of greater flexibility (classes B and C) are suitable for uninsulated hook up, jumpers, and grounds in electrical construction. Soft Drawn copper is unilay construction.

Specifications
B-1 Hard-Drawn Copper Wire.
B-2 Medium-Hard Copper Wire.
B-3 Soft or Annealed Copper Wire.
B-8 Concentric-Lay-Stranded Hard, Medium-Hard or Soft Copper Conductor.
B-33 Tinned Conductors
B-787 19 Wire Combination Unilay-Stranded Soft copper wire.

Constructure
Bare copper, solid or stranded. Available in tempers hard, medium-hard, or soft. Stranded conductors are concentrically stranded in hard and medium-hard tempers and are Combination Unilay stranded in the soft-drawn temper.

Size	Stranding	Stranding Class	Weight	Diameter (mils)		Hard Drawn		Medium-Hard Drawn		Soft-Drawn (Annealed)
Size	Stranding	Stranding Class	Weight	Individual Wires	Complete Conductor	Rated Strength	DC Resistance @20°C	Rated Strength	DC Resistance @20°C	Rated Strength	DC Resistance @20°C
(AWG)			(lbs/1000 ft)			(lbs)	(ohms/1000 ft)	(lbs)	(ohms/1000 ft)	(lbs)	(ohms/1000 ft)
STRANDED
8	7	B	51	49	146	777	0.6663	610	0.6629	499	0.6408
6	7	B	81	61	184	1228	0.4191	959	0.4169	794	0.4030
4	7	A, B	128.9	77	232	1938	0.2636	1505	0.2622	1320	0.2534
3	7	A, B	162.5	87	260	2433	0.2090	1885	0.2079	1670	0.2010
2	7	A, B	204.9	97	292	3050	0.1660	2360	0.1650	2110	0.1578
1	7	A	258.4	109	328	3801	0.1316	2955	0.1309	2552	0.1252
1/0	7	A, AA	326.1	123	368	4752	0.1042	3705	0.1037	3221	0.1002
2/0	7	A, AA	410.9	138	414	5926	0.08267	4640	0.08224	4062	0.07949
2/0	19	B	410.9	84	418	6690	0.08267	4765	0.08224	4024	0.07949
3/0	7	A, AA	518.1	155	464	7366	0.06556	5812	0.06522	5118	0.06304
4/0	7	A, AA	653.3	174	522	9154	0.05199	7278	0.05172	6459	0.04999
4/0	19	B	653.3	106	528	9617	0.05199	7479	0.05172	6453	0.04999
250	19	A	771.9	115	574	11360	0.04400	8836	0.04378	7627	0.04231
250	37	B	771.9	82	575	11600	0.04400	8952	0.04378	7940	0.04231
300	19	A	926.2	126	628	13510	0.03667	10530	0.03648	9160	0.03526
350	19	A	1080.6	136	679	15590	0.03143	12200	0.03127	10680	0.03022
500	37	A, B	1543.8	116	814	22510	0.02200	17550	0.02189	15240	0.02116
600	37	A, AA	1852.5	127	891	27020	0.01834	21060	0.01825	18300	0.01763
750	61	A, B	2315.6	111	998	34090	0.01467	26510	0.01459	22890	0.01410
1000	61	A, B	3087.5	128	1152	45030	0.01100	35100	0.01094	30500	0.01058

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