EIMC(ANSI C80.6/UL1242)

Details

Trade size	(Metric desig.)	Exterior diameters				Wall thicknesses				Standard length of finished conduit without a coupling attached (±1/4 inch or ±6 mm)
		Maximum, inches (mm)		Minimum, inches (mm)		Maximum, inches (mm)		Minimum, inches (mm)
		Maximum, inches (mm)		Minimum, inches (mm)		Maximum, inches (mm)		Minimum, inches (mm)		Feet and inches		(mm)
1/2	16	0.820	20.83	0.810	20.57	0.085	2.16	0.070	1.79	9	11-1/4	3030
3/4	21	1.034	26.26	1.024	26.01	0.090	2.29	0.075	1.90	9	11-1/4	3030
1	27	1.295	32.89	1.285	32.64	0.100	2.54	0.085	2.16	9	11	3025
1-1/4	35	1.645	41.78	1.630	41.40	0.105	2.67	0.085	2.16	9	11	3025
1-1/2	41	1.890	48.01	1.875	47.62	0.110	2.79	0.090	2.29	9	11	3025
2	53	2.367	60.12	2.352	59.74	0.115	2.92	0.095	2.41	9	11	3025
2-1/2	63	2.867	72.82	2.847	72.31	0.160	4.06	0.140	3.56	9	10-1/2	3010
3	78	3.486	88.54	3.466	88.04	0.160	4.06	0.140	3.56	9	10-1/2	3010
3-1/2	91	3.981	101.12	3.961	100.61	0.160	4.06	0.140	3.56	9	10-1/4	3005
4	103	4.476	113.69	4.456	113.18	0.160	4.06	0.140	3.56	9	10-1/4	3005
a The lengths indicated are designed to produce a 10-foot (3.05-m) length of conduit when a standard coupling is attached.