Galflex® Type RWS Reduced Wall Steel Flexible Metal Conduit

Application

Galflex® Type RWS (Reduced Wall Steel) Flexible Metal Conduit is suitable for the following installations:

Environmental air-handling spaces per NEC 300.22(C)
Power and lighting branch circuit conductors and cables for connecting receptacles, luminaires, equipment, office partitions, etc.
Metal raceway for wires and cables per NEC 348
Motor feeder, branch, and control circuit conductors and cables
Class 1, Class 2, Class 3 Remote-control, signaling, and power-limited circuit conductors and cables
Fire alarm system conductors and cables of power-limited or non-power-limited fire alarm circuits
Voice, data, communications and video cables including CATV and optical fiber cables
Concealed or exposed installations per NEC 348 and the applicable NEC provisions
Elevators, hoistways, and escalators per NEC 620.21
As a grounding conductor for lengths up to 6 feet (20A max) as per NEC 250.118(5)
Electric signs and outline lighting per NEC 600.7, 600.31 (1000 volts or less), and 600.32 (>1000 volts)
Listed wired fixtures per NEC 410.77(C)
Raised floors for connection of information technology per NEC 645.5(D)(2) and 645.5(D)
Places of assembly and theaters per NEC 518 and 520
Cranes and hoists per NEC 610.11(C)
Hazardous location, Class 1, Div. 2, for flexible connectors only per NEC 501.10(B)(2) & 501.30(B)
UL 1, 2, & 3 Hour Through-Penetration Firestop Systems: C-AJ-1462, C-AJ-1463, C-AJ-1464, W-L1308, and W-L-1309

Specifications

measurement

Select a set of products below for more information:

		Diameter (inches) (centimeters)
	Trade Size (in) (cm)	Inner Diameter (min/max)	Outer Diameter (min/max)	Nominal Total Weight (lbs/1000') (kgs/km)	Min. Bend Radius (in) (cm)
552832	5/16 0.79		0.470 / 0.510 1.19 / 1.30	130 193
550817	3/8 0.95		0.470 / 0.510 1.19 / 1.30	192 286
550818	1/2 1.27	0.625 / 0.645 1.59 / 1.64	0.860 / 0.920 2.18 / 2.34	272 405	3 7.62
550819	3/4 1.91	0.812 / 0.835 2.06 / 2.12	1.045 / 1.105 2.65 / 2.81	346 515	4 10.16
550916	1 2.54	1.000 / 1.040 2.54 / 2.64	1.300 / 1.380 3.30 / 3.51	570 848	5 12.70
550917	1-1/4 3.18	1.250 / 1.300 3.18 / 3.30	1.550 / 1.630 3.94 / 4.14	650 967	6.25 15.88
550918	1-1/2 3.81	1.500 / 1.575 3.81 / 4.00	1.850 / 1.950 4.70 / 4.95	826 1229	7.5 19.05
550919	2 5.08	2.000 / 2.080 5.08 / 5.28	2.350 / 2.450 5.97 / 6.22	1161 1728	10 25.40
550920	2-1/2 6.35		2.860 / 3.060 7.26 / 7.77	1500 2232	12.5 31.75
550922	3 7.62		3.360 / 3.560 8.53 / 9.04	1900 2828	15 38.10
550923	3-1/2 8.89		3.860 / 4.060 9.80 / 10.31	2200 3274	17 43.18
550924	4 10.16		4.360 / 4.560 11.07 / 11.58	2390 3557	20 50.80

Standards & References

UL Listed per UL 1, Standard for Safety for Flexible Metal Conduit, ANSI/UL-1 for 3/8" through 3"
CSA Certified per CSA 22.2 No. 56 per Canadian Electrical Code C22.1 Section 12-1000 for 5/16" and 3/8" trade sizes only
Meets federal specification WW-C-566c
NFPA 70 (National Electrical Code), Article 348, Type FMC (flexible metal conduit)
REACH/RoHS-2 (Chemical Limit) Compliant

Construction

Galflex® Type RWS is manufactured with a galvanized, corrosion resistant, high strength steel alloy. The metal strip is helically formed into a continuously interlocked flexible metal conduit that can withstand impact and crushing forces.

Resources

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