Reference Information for Test Currents Per UL 486 UL 1659 UL 310

TEST CURRENT PER UL 486 FOR CONNECTORS INTENDED FOR A SINGLE CONDUCTOR, AMPERES

Conductor Size		Assigned maximum	Static-heating
AWG or kcmil	mm2	ampere rating	test current
28	0.08	–	3.5
26	0.13		3.5
24	0.20		7
22	0.324		9
20	0.519	–	12
18	0.823		17
16	1.31	–	18
14	2.08	15	[20]30
12	3.31	20	[25]35
10	5.261	30	[40]50
8	8.367	50	70
6	13.30	65	95
4	21.15	85	125

STATIC HEATING & HEAT-CYCLING TEST CURRENTS PER UL 1659 FOR CONDUCTORS

Wire Size		Static Heating Test	Heat-Cycling Test
Wire Size AWG	mm2	current amperes	current amperes
18	0.82	10	20
16	1.3	13	25
14	2.1	18	32
12	3.3	25	37
10	5.3	30	45

TEST CURRENT PER UL 310 FOR CONNECTORS INTENDED FOR INTERNAL WIRING

Wire Size		Temperature		Heat-Cycling
AWG	mm2	0.110, 0.125 inch (2.8mm), (3.2mm) terminals	All others	0.110, 0.125 inch terminals (2.8mm), (3.2mm)	All other
22	0.32	2	3	4	6
20	0.52	3	4	6	8
8	0.82	4	7	8	14
16	1.3	5	10	10	20
14	2.1		15		30
12	3.3		20		40
10	5.3		24		48

Posted: March 4, 2012 in: Reference