Building Wire

Bare Copper Conductors

Bare Copper Conductor Stranded

Product Description

Bare Copper Conductor Stranded

Hard, Medium-Hard, or Soft-Drawn

Used for grounding purposes as specified in the National Electrical Code. Soft-drawn solid
or stranded conductors, for use as grounding connections in circuits, and grounding for
machinery or equipment. Hard-drawn conductors for overhead transmission and
distribution lines, as grounding connections in circuits, and grounding for machinery or
equipment. Also available tinned.

Bare Copper Conductors Stranded
Size		Area	Class A		Class B		Net Weight	dc Resistance*
AWG	kcmil	cmil	Number of	OD	Number of	OD	lb/kft	dc Resistance*
AWG	kcmil	cmil	Strands	in	Strands	in	lb/kft	20 °C
14	—	4110	—	—	7	0.0726	13	2.58
12	—	6530	—	—	7	0.0915	20	1.63
10	—	10380	—	—	7	0.116	32	1.02
8	—	16510	—	—	7	0.146	51	0.64
6	—	26240	—	—	7	0.184	81	0.403
4	—	41740	7	0.232	7	0.232	129	0.253
3	—	52620	7	0.26	7	0.26	163	0.201
2	—	66360	7	0.292	7	0.292	205	0.159
1	—	83690	7	0.328	19	0.332	258	0.127
1/0	—	105600	7	0.368	19	0.373	326	0.1
2/0	—	133100	7	0.414	19	0.419	411	0.795
3/0	—	167800	7	0.464	19	0.47	518	0.063
4/0	—	211600	7	0.522	19	0.528	653	0.05
—	250	250000	19	0.574	37	0.575	772	0.0423
—	300	300000	19	0.629	37	0.63	926	0.0353
—	350	350000	19	0.679	37	0.681	1081	0.0302
—	400	400000	19	0.726	37	0.728	1235	0.0264
—	450	450000	37	0.772	37	0.772	1389	0.0235
—	500	500000	37	0.813	37	0.813	1544	0.0192
—	600	600000	37	0.891	61	0.893	1883	0.0177
—	750	750000	61	0.998	61	0.998	2316	0.0141
—	1000	100000	61	1.152	61	1.152	3088	0.0106
—	1250	125000	61	1.288	91	1.289	3859	0.0085
—	1500	150000	61	1.411	91	1.412	4631	0.0071
—	1750	175000	91	1.526	127	1.526	5403	0.006
—	2000	200000	91	1.63	127	1.632	6175	0.0053
The above data are approximate and subject to normal manufacturing tolerances. Where required, the compatibility with glands, connectors and accessories should be verified using actual dimensions of the product. Other sizes available upon request. *Direct current resistances apply to Class B, C, and D stranding.

Bare Copper Conductors Stranded (cont.)
			Breaking Strength
Size		Strands	Hard Drawn Rated Strength	dc Resistance @ 20 °C	Medium-Hard Drawn Rated Strength	dc Resistance @ 20 °C	Soft Drawn (Annealed) Rated Strength	dc Resistance @ 20 °C	Allowable Ampacity †
AWG	kcmil	Strands	lb	Ω/kft	lb	Ω/kft	lb	Ω/kft	Allowable Ampacity †
14	—	7	197	2.679	158	2.665	—	—	—
12	—	7	311	1.685	248	1.676	—	—	—
10	—	7	492	1.06	389	1.054	—	—	—
8	—	7	777	0.6663	610	0.6629	499	0.6408	98
6	—	7	1228	0.4191	959	0.4169	794	0.403	124
4	—	7	1938	0.2636	1505	0.2622	1320	0.2534	155
3	—	7	2433	0.209	1885	0.2079	1670	0.201	—
2	—	7	3050	0.166	2360	0.165	2110	0.1578	209
1	—	7	3801	0.1316	2955	0.1309	2552	0.1252	—
1/0	—	7	4752	0.1042	3705	0.1037	3221	0.1002	282
2/0	—	7	5926	0.08267	4640	0.08224	4062	0.07949	329
3/0	—	7	7366	0.06556	5812	0.06522	5118	0.06304	382
4/0	—	7	9154	0.05199	7278	0.05172	6459	0.04999	444
4/0	—	19	9617	0.05199	7479	0.05172	6453	0.04999	444
—	250	19	11360	0.044	8836	0.04378	7627	0.04231	494
—	250	37	11600	0.044	8952	0.04378	7940	0.04231	494
—	300	19	13510	0.03667	10530	0.03648	9160	0.03526	556
—	350	19	15590	0.03143	12200	0.03127	10680	0.03022	—
—	500	37	22510	0.022	17550	0.02189	15240	0.02116	773
—	600	37	27020	0.01834	21060	0.01825	18300	0.01763	—
—	750	61	34090	0.01467	26510	0.01459	22890	0.0141	1000
—	1000	61	45030	0.011	35100	0.01094	30500	0.01058	1193
† Ampacity per NEC table 310.15 (B) (21) based on 80°C Conductor Temperature, 40°C Ambient Temperature, 2ft/s Wind in Sun.

Certificate Display

**Low Voltage Directive Attestation (EU)**

Type and routine tests are issued from our own testing centre under the ISO 9001 quality system — test reports and certificates accompany every shipment.

Factory Tour

Why Choose Us

50+ years of experience Trusted manufacturing expertise since 1969

International standards IEC, ASTM, BS, CSA and other global standards

Strict quality control Comprehensive testing throughout production

Large production capacity Reliable supply for utility and EPC projects

Fast global delivery Efficient manufacturing and worldwide shipping

Technical support Expert assistance from inquiry to project completion

Packing & Shipping

Wooden, steel or steel-wood drums; drum length to customer requirement
Drum marking per customer / utility specification
Both drum ends sealed and protected for sea freight

Get in touch

Ready for Your Next Cable Project?

Send us your specifications, cable schedule or RFQ — our engineering team replies with a technical proposal and price within one working day.

Emailinfo@qzcablegroup.com
WhatsApp / WeChat+86 173 3570 4553
Contact personChloe · Export Department
Factory addressWest Industrial Park, Zhulin Town, Gongyi City, Henan Province, China