Cable Strain Relief

RSP Supply carries a full line of cable strain relief connectors, clamps, and grips designed to protect electrical cables and maintain reliable system performance. These components safeguard wiring from damage caused by excessive tension, bending, or accidental pulling; common causes of signal interference, connection failure, or system downtime. By maintaining a secure connection point, strain relief components extend cable life, improve reliability, and enhance overall safety.

Cable strain relief devices come in many materials, including plastic, rubber, and metal. Each type offers different benefits depending on the environment and application. Plastic or nylon versions provide cost-effective, lightweight protection, while nickel-plated brass and stainless steel models deliver superior strength and corrosion resistance for industrial and outdoor environments. Many models maintain a NEMA 4 or IP-rated seal, ensuring protection against dust, moisture, and other environmental hazards. Cord grips and cable glands are among the most common forms of strain relief. These versatile components can accommodate a wide range of cable diameters and are easy to install - simply clamp or fasten the device around the cable at the entry point of the enclosure or connector housing. Once installed, they absorb pulling forces, reduce mechanical stress, and prevent the cable from loosening or disconnecting under strain.

Found 137 items
Filters
Found 137 items
Manufacturer
Ericson (99)
Hoffman (12)
Phoenix Contact (26)
Component
Cable Clamp (1)
Cable Clamps (12)
Strain Relief (124)
Sub Component
Deluxe Cord Grip (72)
Dust Tight - Insulated Strain Relief (10)
Dust Tight - Non Insulated Strain Relief (6)
Wiring Device I-Grip (6)
# of Mesh Weaves
Single (94)
Grip Range (in)
.19 - .25 (2)
.22 - .32 (2)
.25 - .38 (5)
.30 - .43 (3)
.30 - .62 (1)
.38 - .50 (4)
.40 - .54 (2)
.40 - .56 (1)
.44 - .56 (2)
.45 - .71 (1)
Mesh Weave Material
Galvanized Wire (22)
Stainless Steel (72)
Wire Mesh Style
Closed Mesh (94)
Normally In Stock
Ericson SRI-052 e-Grip Dust Tight - Insulated Strain Relief - .52-.73"
Free U.S Ground shipping
$22.85
$19.04
Normally In Stock
Ericson SRI-070 e-Grip Dust Tight - Insulated Strain Relief - .70-.97"
Free U.S Ground shipping
$35.04
$29.20
Normally In Stock
Ericson SRI-094 e-Grip Dust Tight - Insulated Strain Relief - .94-1.25"
Free U.S Ground shipping
$48.36
$40.30
Normally In Stock
Ericson SRI-120 e-Grip Dust Tight - Insulated Strain Relief - 1.25-1.50"
Free U.S Ground shipping
$86.03
$71.69
Normally In Stock
Ericson SRI-140 e-Grip Dust Tight - Insulated Strain Relief - 1.50-1.75"
Free U.S Ground shipping
$106.76
$88.97
Normally In Stock
Ericson SRI-162 e-Grip Dust Tight - Insulated Strain Relief - 1.50-2.00"
Free U.S Ground shipping
$159.31
$132.76
Normally In Stock
Ericson SRI-200 e-Grip Dust Tight - Insulated Strain Relief - 2.00-2.50"
Free U.S Ground shipping
$193.01
$160.84
Normally In Stock
Phoenix Contact 3000769 Cable clamp HSR 6/8
Free U.S Ground shipping
$1.75
$1.46
Normally In Stock
Phoenix Contact 3040627 Strain relief PZ/2
Free U.S Ground shipping
$0.77
$0.64
Normally In Stock
Phoenix Contact 3040643 Strain relief PZ/4
Free U.S Ground shipping
$0.72
$0.60
Normally In Stock
Phoenix Contact 1810529 Strain relief STZ 2-MSTBC-5,08
Free U.S Ground shipping
$2.27
$1.89
Normally In Stock
Phoenix Contact 1710492 Strain relief STZ 2-MSTBC-5,08 V0 GN
Free U.S Ground shipping
$2.17
$1.81
Normally In Stock
Phoenix Contact 1840214 Strain relief STZ 2-PCC 4-7,62
Free U.S Ground shipping
$1.75
$1.46
Normally In Stock
Phoenix Contact 1840227 Strain relief STZ 3-PCC 4-7,62
Free U.S Ground shipping
$2.57
$2.14
Normally In Stock
Phoenix Contact 1810532 Strain relief STZ 4-MSTBC-5,08
Free U.S Ground shipping
$3.34
$2.78
Normally In Stock
Phoenix Contact 1710502 Strain relief STZ 4-MSTBC-5,08 V0 GN
Free U.S Ground shipping
$3.25
$2.71
Normally In Stock
Phoenix Contact 1842005 Strain relief STZ 5-PCC 4-7,62 GN
Free U.S Ground shipping
$3.53
$2.94
Normally In Stock
Phoenix Contact 1876880 Strain relief STZ 8-FKC-5,08
Free U.S Ground shipping
$5.10
$4.25
Normally In Stock
Phoenix Contact 1810516 Strain relief STZ 8-MSTBC-5,08
Free U.S Ground shipping
$5.44
$4.53
Normally In Stock
Phoenix Contact 1710489 Strain relief STZ 8-MSTBC-5,08 V0 GN
Free U.S Ground shipping
$5.27
$4.39
Normally In Stock
Phoenix Contact 1840230 Strain relief STZ 8-PCC 4-7,62
Free U.S Ground shipping
$5.03
$4.19
Normally In Stock
Phoenix Contact 1810503 Strain relief STZ 12-MSTBC-5,08
Free U.S Ground shipping
$7.68
$6.40
Normally In Stock
Phoenix Contact 1876877 Strain relief STZ 4-FKC-5,08
Free U.S Ground shipping
$3.11
$2.59
Normally In Stock
Phoenix Contact 3045554 Strain relief UPZ/ 2
Free U.S Ground shipping
$0.55
$0.46
Normally In Stock
Phoenix Contact 1399645 Strain relief FR 1,27/ 32-SR
Free U.S Ground shipping
$0.49
$0.41
Normally In Stock
Phoenix Contact 1399640 Strain relief FR 1,27/ 12-SR
Free U.S Ground shipping
$0.46
$0.38
Normally In Stock
Phoenix Contact 1399641 Strain relief FR 1,27/ 16-SR
Free U.S Ground shipping
$0.46
$0.38
Normally In Stock
Phoenix Contact 1399646 Strain relief FR 1,27/ 40-SR
Free U.S Ground shipping
$0.52
$0.43
Normally In Stock
Phoenix Contact 1399647 Strain relief FR 1,27/ 50-SR
Free U.S Ground shipping
$0.53
$0.44
Normally In Stock
Phoenix Contact 1399642 Strain relief FR 1,27/ 20-SR
Free U.S Ground shipping
$0.48
$0.40
Normally In Stock
Phoenix Contact 1399648 Strain relief FR 1,27/ 68-SR
Free U.S Ground shipping
$0.58
$0.48
Normally In Stock
Phoenix Contact 1399649 Strain relief FR 1,27/ 80-SR
Free U.S Ground shipping
$0.59
$0.49
Normally In Stock
Phoenix Contact 1399643 Strain relief FR 1,27/ 26-SR
Free U.S Ground shipping
$0.48
$0.40
Normally In Stock
Ericson 82005G Strain Relief
Free U.S Ground shipping
$13.85
$11.54
Normally In Stock
nVent Hoffman CAC0612 Cable Clamps, CAC, Mild Steel, 06-12mm
Free U.S Ground shipping
$177.24
$147.70
Normally In Stock
nVent Hoffman CAC1014 Cable Clamps, CAC, Mild Steel, 10-14mm
Free U.S Ground shipping
$185.16
$154.30
Normally In Stock
nVent Hoffman CAC1216 Cable Clamps, CAC, Mild Steel, 12-16mm
Free U.S Ground shipping
$185.16
$154.30
Normally In Stock
nVent Hoffman CAC1418 Cable Clamps, CAC, Mild Steel, 14-18mm
Free U.S Ground shipping
$185.16
$154.30
Normally In Stock
nVent Hoffman CAC1822 Cable Clamps, CAC, Mild Steel, 18-22mm
Free U.S Ground shipping
$195.70
$163.08
Normally In Stock
nVent Hoffman CAC2226 Cable Clamps, CAC, Mild Steel, 22-26mm
Free U.S Ground shipping
$186.47
$155.39
Normally In Stock
nVent Hoffman CAC2630 Cable Clamps, CAC, Mild Steel, 26-30mm
Free U.S Ground shipping
$208.81
$174.01
Normally In Stock
nVent Hoffman CAC3034 Cable Clamps, CAC, Mild Steel, 30-34mm
Free U.S Ground shipping
$215.35
$179.46
Normally In Stock
nVent Hoffman CAC3438 Cable Clamps, CAC, Mild Steel, 34-38mm
Free U.S Ground shipping
$236.23
$196.86
Normally In Stock
nVent Hoffman CAC3842 Cable Clamps, CAC, Mild Steel, 38-42mm
Free U.S Ground shipping
$307.38
$256.15
Normally In Stock
nVent Hoffman CAC4246 Cable Clamps, CAC, Mild Steel, 42-46mm
Free U.S Ground shipping
$316.37
$263.64
Normally In Stock
nVent Hoffman CAC5864 Cable Clamps, CAC, Mild Steel, 58-64mm
Free U.S Ground shipping
$434.78
$362.32
Normally In Stock
Ericson 82005 Strain Relief - Black
Free U.S Ground shipping
$11.26
$9.38
Normally In Stock
Ericson 82010 Strain Relief - Black
Free U.S Ground shipping
$15.05
$12.54

FAQs

Q: What is the purpose of a cable strain relief connector?
A cable strain relief connector protects cables from mechanical stress by preventing bending, pulling, or twisting at the connection point, helping extend cable life and maintain electrical integrity.

Q: What materials are used for strain relief devices?
Strain relief devices are typically made from plastic, rubber, stainless steel, or nickel-plated brass. Each material is chosen based on durability, environmental exposure, and the level of protection required.

Q: What is a NEMA 4 rating, and why is it important for cable strain relief?
A NEMA 4 rating ensures the device can resist dust, dirt, and water ingress, making it ideal for both indoor and outdoor environments where reliable sealing and environmental protection are required.

Q: Is a nickel-plated brass cable gland a good option for control cabinets?
Yes, a nickel-plated brass cable gland is an excellent choice for control cabinets due to its strength, corrosion resistance, and ability to maintain a secure, watertight seal.

Q: How is strain relief installed?
Strain relief is typically installed by clamping or fastening the device securely around the cable at its entry point into the housing or connector, distributing tension and preventing damage to the cable conductors.

Why Buy Cable Strain Relief Connectors from RSP Supply

RSP Supply offers a comprehensive selection of cable strain relief connectors, clamps, and grips from trusted manufacturers. Our selection of products provide reliable protection against mechanical and environmental stress while maintaining compliance with NEMA and IP standards. With same-day shipping and expert support, RSP Supply helps ensure your electrical systems remain safe, durable, and high-performing.