will not support combustion

Transcription

1 Strain Relief Grips Operating Temperatures Material Temperature Range Aluminum 40 C to +149 C ( 40 F to +300 F) Aluminum deluxe cord grips 34 C to +115 C ( 30 F to +240 F) Non-metallic deluxe cord grips 34 C to +107 C ( 30 F to +225 F) Nylon 40 C to +107 C ( 40 F to +225 F) Nylon fitting with Stainless Steel mesh 40 C to +107 C ( 40 F to +225 F) Stainless Steel 51 C to +537 C ( 60 F to F) Stainless Steel deluxe cord grips 34 C to +115 C ( 30 F to +240 F) Rubber (bushings) 40 C to +350 C ( 40 F to +662 F) Flammability Rating for Non-Metallic Max-Loc Grips Component Rating Note Wire mesh grip 94HB 1 Non-metallic deluxe cord grips Fitting 94V-2 2 will not support combustion 1 A test method used by UL to determine a rate of burning and/or extent and time of burning of self-supporting plastics in a horizontal position (ASTM D , IEC , ISO/DIS ). 2 A test method used by UL for measuring the comparative extinguishing characteristics of solid plastics in a vertical position (IEC , ISO/DIS ). Knockout Holes NPT Hub Size Knockout Hole Recommended ¼" 1.37 to 1.45cm (.540 to.570") ³/8" 1.70 to 1.78cm (.671 to.701") ½" 2.18 to 2.30cm (.859 to.906") ¾" 2.78 to 2.90cm (1.094 to 1.141") 1" 3.45 to 3.57cm (1.359 to 1.406") 1¼" 4.37 to 4.49cm (1.719 to 1.766") 1½" 5.00 to 5.12cm (1.969 to 2.016") 2" 6.23 to 6.35cm (2.453 to 2.500") 2½" 7.50 to 7.62cm (2.953 to 3.000") 3" 9.09 to 9.21cm (3.578 to 3.625") C-49

2 Deluxe Cord Grip Component Detail Straight Male 45 Male Right Angle Male Straight Female C-50

3 Max-Loc Cable Grips Non-Metallic Dimensions Max-Loc Non-Metallic Dimensions Straight Bodies Form NPT Diagram References in Inches A B C D E F G H (Ref.) 0 ¼" ³/8" ½" ¾" " ¼" Max-Loc Non-Metallic Dimensions Right Angle Bodies Form NPT Diagram References in Inches A B C D E F G H (Ref.) 1 ³/8" ½" ¾" " ¼" C-51

4 Cable Grips Selecting Properly Sized Pulling and Support Grips Select grip size based upon the outside diameter or circumference of the cable(s) See the following reference tables for convenience in determining cable diameters Use the following grip selection tables to determine the grip diameter range for your application Grip Selection for 1 or More Cables of Equal Diameter 1. Read across top line for number of cables in 1 grip. 2. Read down for diameter of each cable. 3. Read across to the right to grip diameter range column. Example for Five Cables Together with Diameter of 0.42 Each 1. Locate 5 cables column. 2. Read down column to range (0.38 to 0.48"). 3. Read across line to grip diameter range (1.00 to 1.25"). Decimal and Fractional Inch Cable Diameters for 1 or More Cables of Equal Diameter 1 Cable 2 Cables 3 Cables 4 Cables Grip Diameter Range 0.25 to 0.37 = ¼ to to 0.25 = 1 64 to ¼ 0.15 to 0.22 = 5 32 to to 0.20 = 1 8 to to to 0.50 = 3 8 to ½ 0.25 to 0.36 = ¼ to to 0.33 = 7 32 to ²¹ to 0.28 = to to to 0.62 = ½ to to 0.36 = to to 0.33 = to ²¹ to 0.28 = to to to 0.75 = 5 8 to ¾ 0.36 to 0.45 = to to 0.36 = ²¹ 64 to to 0.31 = 9 32 to to to 1.00 = ¾ to to 0.60 = to to 0.49 = to ³¹ to 0.42 = 5 16 to to to 1.25 = 1 to 1¼ 0.60 to 0.76 = to to 0.63 = ³¹ 64 to to 0.54 = to to to 1.50 = 1¼ to 1½ 0.76 to 0.91 = to to 0.75 = 5 8 to to 0.65 = to to to 1.75 = 1½ to 1¾ 0.88 to 1.08 = to to 0.89 = to to 0.77 = to to to 2.00 = 1¾ to to 1.23 = to to 1.02 = to 1¹ to 0.88 = to to to 2.50 = 2 to 2½ 1.23 to 1.54 = to to 1.28 = 1¹ 64 to to 1.00 = 7 8 to to to 3.00 = 2½ to to 1.84 = to to 1.53 = to to 1.32 = to to to 3.50 = 3 to 3½ 1.84 to 2.15 = to to 1.79 = to to 1.54 = to to to 4.00 = 3½ to to 2.45 = to to 2.05 = to 2³ to 1.76 = to to Cables 6 and 7 Cables 8 Cables 9 Cables Grip Diameter Range 0.11 to 0.14 = 7 64 to to 0.11 = 3 32 to to 0.10 = 3 32 to to 0.09 = 1 16 to to to 0.21 = 9 64 to to 0.25 = 7 64 to to 0.20 = 7 64 to to 0.19 = 3 32 to to to 0.25 = 7 32 to to 0.22 = 3 16 to to 0.20 = to to 0.19 = 5 32 to to to 0.29 = 1 4 to to 0.26 = 7 32 to to 0.23 = to to 0.22 = 3 16 to to to 0.38 = to to 0.34 = to to 0.31 = to to 0.31 = 7 32 to to to 0.48 = 3 8 to to 0.43 = to to 0.39 = 5 16 to to 0.36 = to to to 0.58 = to to 0.52 = 7 16 to to 0.46 = to to 0.43 = to to to 0.67 = to to 0.60 = to to 0.54 = to to 0.49 = 7 16 to to to 0.77 = to to 0.69 = to to 0.62 = to to 0.57 = to to to 0.96 = to to 0.86 = to to 0.77 = 5 8 to to 0.72 = to to to 1.16 = to to 1.03 = to to 0.93 = to to 0.86 = to to to 1.35 = to to 1.20 = to to 1.08 = to to 1.00 = to to to 1.54 = to to 1.37 = to to 1.24 = to to 1.14 = 1 to to 4.00 C-52

5 Cable Grips Selecting Properly Sized Pulling and Support Grips Grip circumference range refers to circumference of all cables held together. 1. Determine grip circumference range by measuring circumference of bundle of cables to be held (as shown in illustration). 2. Read down to locate correct range. 3. Read across to grip diameter column. Example for Three Cables Together with Combined Circumference of 6.35" 1. Read down inches (decimal) column for 6.35" ( "). 2. Read across line to grip diameter range ( "). Circumference Diameter Grip Circumference Range for Cables of Different Diameters Grip Circumference Range (inches fractional) Grip Circumference Range (inches decimal) Grip Diameter Range to " 0.78 to 1.17" 0.25 to.375" to " 1.17 to 1.57" to 0.50" to 2 3 8" 1.57 to 2.37" 0.50 to 0.75" to 2 3 8" 1.94 to 2.37" to 0.75" to " 2.37 to 3.15" 0.75 to 1.00" to " 3.15 to 3.94" 1.00 to 1.25" to " 3.94 to 4.72" 1.25 to 1.50" to " 4.72 to 5.51" 1.50 to 1.75" to " 5.51 to 6.29" 1.75 to 2.00" to " 6.29 to 7.86" 2.00 to 2.50" to " 7.86 to 9.43" 2.50 to 3.00" to " 9.43 to 11.01" 3.00 to 3.50" to " to 12.58" 3.50 to 4.00" Diameter Cord Diameters Reference Table For your convenience, the following are nominal overall diameters (in inches) for flexible cord. AWG Wire Size and Type 2 Conductors 3 Conductors 4 Conductors 5 Conductors 18 SO, STO 0.36" 0.38" 0.41" 0.49" 18 SJO, SJTO 0.30" 0.32" 0.35" 16 SO, STO 0.39" 0.41" 0.44" 0.52" 16 SJO, SJTO 0.32" 0.34" 0.37" 14 SO, STO 0.52" 0.55" 0.59" 0.67" 12 SO, STO 0.60" 0.62" 0.68" 0.74" 10 SO, STO 0.65" 0.69" 0.74" 0.80" 8 SO, STO 0.83" 0.88" 0.99" 1.08" 6 SO, STO 0.99" 1.04" 1.12" 1.25" C-53

6 Pulling and Support Grips Diameter AWG or MCM Wire Sizes AWG or MCM Approximate Diameter THHM Approximate Diameter THW " 0.162" " 0.179" " 0.199" " 0.259" " 0.323" " 0.372" " 0.401" " 0.433" " 0.508" 1/ " 0.549" 2/ " 0.595" 3/ " 0.647" 4/ " 0.705" " 0.788" " 0.843" " 0.895" " 0.942" " 1.03" " 1.14" " 1.21" " 1.25" " 1.40" Note: This table to be used as a guide only. Sizes may vary by manufacturer. C-54

7 Pulling and Support Grips Split Lace Split Lace Split Rod Split Rod Strength Information The approximate breaking strength of any Woodhead wire mesh cable grip is based on working load information established by Molex Incorporated engineering laboratories. In making these determinations, it is not possible to cover all applications and operating conditions. Variables such as diameters, gripping surfaces, number of items gripped, tension, movement, attachment, abrasion, corrosion, prior use, or abuse must be assessed by the user. Greater safety factors should be utilized when the conditions of application are vague or unknown. For specific applications where strength and holding power are important, consult the manufacturer. To determine the recommended working load safety factor for listed cable grips, divide the approximate breaking strength by 5 for pulling grips and 10 for support grips. Woodhead maintains a Six Sigma safety factor for pulling grips and a Five Sigma safety factor for support grips for these recommended working loads (using average break strengths obtained on new grips under lab test conditions). Example: For pulling grips 33,000 5 = 6,600 lb which is the workload factor. Example: For support grips 10, = 1,008 lb which is the workload factor. All warranties concerning product quality or performance are based on wire mesh grips that are properly stored and handled by the user, and grips that are maintained and inspected at a proper frequency in keeping with their use and condition. Split Lace/Split Rod Attachments (for use where end of cable is not accessible) Beginning at the end of the grip closest to the bale fitting, thread the lacing through the first two loops of the split, pulling lace through until ends are centered evenly. Cross laces and thread through next two loops, and so on down the grip, being careful not to pull lacing too tight. Spacing of laced closure should be approximately the same as mesh weave. When end of grip is reached, twist lacing strands tightly together, wrap ends of lace around grip, and twist again to secure. Excess length may be cut off. Split grips with rod closing are economical, since they are quickly installed, and are reusable. Simply wrap the grip around the cable and thread the rod through the loops, using a corkscrew motion. To remove, pull the rod out, and the grip is ready for re-use. Grip Cable Range Conversion Metric (mm) Inches (fractional) Inches (decimal) 6.35 to 9.13mm 1 4 to 23 64" 0.25 to 0.36" 9.52 to 12.30mm 3 8 to 31 64" 0.37 to 0.49" to 15.48mm 1 2 to 39 64" 0.50 to 0.61" to 18.65mm 5 8 to 47 64" 0.62 to 0.74" to 25.00mm 3 4 to 63 64" 0.75 to 0.99" to 31.35mm 1 to " 1.00 to 1.24" to 37.70mm to " 1.25 to 1.49" to 50.40mm to " 1.50 to 1.99" to 63.10mm 2 to " 2.00 to 2.49" to 75.80mm to " 2.50 to 2.99" to 88.50mm 3 to " 3.00 to 3.49" to mm to " 3.50 to 3.99" C-55

8 Junior Pulling Grips Junior Pulling Grip Selection Chart These charts are a general guide to assist in the selection of the correct Junior Pulling Grip for pulling various groupings of building wire. The following charts are to be used as a general guide for the application of Junior Pulling Grips. Note: Dummy wires, short pieces, may be used to increase the bundle diameter if needed. T.H.W.N., T.H.H.N. and X.H.H.W. Building Wire Description Cable Diameter Range Approximate Number of Wires in One Grip Approximate #14 #12 #10 #8 #6 #4 #3 #2 #1 #1/0 Woodhead Breaking Strength Order No. 19 Strand 19 Strand 19 Strand 19 Strand 19 Strand 19 Strand 19 Strand 19 Strand 37 Strand 37 Strand No. J cm (.25.36") 2002N (450 lb) 4 to 8 3 to 6 2 to J cm (.37.49") 4003N (900 lb) 9 to 16 6 to 11 4 to J cm (.50.61") 5782N (1300 lb) 16 to to 17 7 to 10 4 to 5 3 to J cm (.62.74") 8674N (1950 lb) 26 to to to 14 6 to 8 5 to J cm (.75.99") 12454N (2800 lb) 37 to to to 27 9 to 16 6 to 11 4 to 7 4 to 5 3 to to J cm ( ") 17347N (3900 lb) 66 to to to to to 17 8 to 10 6 to 8 5 to 7 4 to R.H.H., R.H., R.W. and R.H.W. Building Wire Description Cable Diameter Range Approximate Number of Wires in One Grip Approximate #14 #12 #10 #8 #6 #4 #2 #1 #1/0 Woodhead Breaking Strength Order No. 7 Strand 7 Strand 7 Strand 7 Strand 7 Strand 7 Strand 7 Strand 19 Strand 19 Strand No. J cm (.25.36") 2002N (450 lb) J cm (.37.49") 4003N (900 lb) 3 2 to J cm (.50.61") 5782N (1300 lb) 4 to 5 4 to 5 3 to J cm (.62.74") 8674N (1950 lb) 6 to 8 6 to 7 4 to J cm (.75.99") 12454N (2800 lb) 9 to 16 8 to 14 6 to 10 4 to 6 3 to 4 3 to 4 2 to J cm ( ") 17347N (3900 lb) 16 to to to 16 7 to 10 5 to 7 4 to to T.H.W. Building Wire Description Cable Diameter Range Approximate Number of Wires in One Grip Approximate #14 #12 #10 #8 #6 #4 #2 #1 #1/0 Woodhead Breaking Strength Order No. 7 Strand 7 Strand 7 Strand 7 Strand 7 Strand 7 Strand 7 Strand 7 Strand 19 Strand No. J cm (.25.36") 2002N (450 lb) 2 to 4 2 to J cm (.37.49") 4003N (900 lb) 5 to 7 4 to 5 3 to J cm (.50.61") 5782N (1300 lb) 8 to 11 6 to 8 5 to 7 3 to J cm (.62.74") 8674N (1950 lb) 12 to 16 9 to 12 8 to 10 5 to 6 3 to J cm (.75.99") 12454N (2800 lb) 17 to to to 19 7 to 10 5 to 7 4 to 5 3 to J cm ( ") 17347N (3900 lb) 31 to to to to 17 8 to 11 6 to 8 5 to 6 3 to C-56