Standard Circular Connector

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EC Series Caps

Caplugs EC Series Caps are designed for threaded connectors and fit 36-pin and 68-pin Champ 050 connectors and 50-pin Champ-type connectors. These EC threaded caps are designed for easy application and removal in areas not readily accessible. The EC series caps can be installed over threads or cylindrical surfaces. Caplugs EC Series Caps are made of low-density polyethylene material and available in red color.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Shell Material	Accessory Type	Diameter	Height	Series
Standard Circular Connector 101.6mm Red PE EC-64 Caplugs 1: S/4.94 250In Stock	Mfr. Part # EC-64 Mouser Part # 376-EC-64	Caplugs	Standard Circular Connector 101.6mm Red PE Learn More about Caplugs ec caps	Datasheet	250In Stock	S/4.94 S/4.16 S/4.01 S/3.08 View S/2.57 S/2.53	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	105.66 mm	25.4 mm	EC
Standard Circular Connector 76.2mm Red PE EC-48 Caplugs 1: S/4.48 616In Stock	Mfr. Part # EC-48 Mouser Part # 376-EC-48	Caplugs	Standard Circular Connector 76.2mm Red PE Learn More about Caplugs ec caps	Datasheet	616In Stock	S/4.48 S/3.76 S/3.61 S/3.38 View S/3.08 S/2.32 S/2.31	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	82.04 mm	15.24 mm	EC
Standard Circular Connector 15.88mm Red PE EC-10 Caplugs 1: S/0.623 90,924In Stock	Mfr. Part # EC-10 Mouser Part # 376-EC-10	Caplugs	Standard Circular Connector 15.88mm Red PE Learn More about Caplugs ec caps	Datasheet	90,924In Stock	S/0.623 S/0.467 S/0.444 S/0.218 S/0.206	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	21.34 mm	12.7 mm	EC
Standard Circular Connector 19.05mm Red PE EC-12 Caplugs 1: S/0.662 55,196In Stock	Mfr. Part # EC-12 Mouser Part # 376-EC-12	Caplugs	Standard Circular Connector 19.05mm Red PE Learn More about Caplugs ec caps	Datasheet	55,196In Stock	S/0.662 S/0.502 S/0.444 S/0.234 S/0.222	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	24.64 mm	12.7 mm	EC
Standard Circular Connector 28.58mm Red PE EC-18 Caplugs 1: S/0.856 22,955In Stock	Mfr. Part # EC-18 Mouser Part # 376-EC-18	Caplugs	Standard Circular Connector 28.58mm Red PE Learn More about Caplugs ec caps	Datasheet	22,955In Stock	S/0.856 S/0.732 S/0.646 S/0.561 View S/0.498 S/0.413 S/0.385 S/0.374 S/0.358	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	33.78 mm	14.22 mm	EC
Standard Circular Connector 31.75mm Red PE EC-20 Caplugs 1: S/0.973 32,008In Stock	Mfr. Part # EC-20 Mouser Part # 376-EC-20	Caplugs	Standard Circular Connector 31.75mm Red PE Learn More about Caplugs ec caps	Datasheet	32,008In Stock	S/0.973 S/0.829 S/0.732 S/0.634 View S/0.564 S/0.467 S/0.436 S/0.424 S/0.401	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	37.34 mm	14.22 mm	EC
Standard Circular Connector 38.1mm Red PE EC-24 Caplugs 1: S/1.40 17,833In Stock	Mfr. Part # EC-24 Mouser Part # 376-EC-24	Caplugs	Standard Circular Connector 38.1mm Red PE Learn More about Caplugs ec caps	Datasheet	17,833In Stock	S/1.40 S/1.19 S/1.05 S/0.915 View S/0.81 S/0.673 S/0.627 S/0.611 S/0.58	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	43.18 mm	14.22 mm	EC
Standard Circular Connector 41.28mm Red PE EC-26 Caplugs 1: S/3.15 8,397In Stock	Mfr. Part # EC-26 Mouser Part # 376-EC-26	Caplugs	Standard Circular Connector 41.28mm Red PE Learn More about Caplugs ec caps	Datasheet	8,397In Stock	S/3.15 S/2.72 S/2.49 S/2.25 View S/2.05 S/1.69 S/1.59 S/1.58 S/1.49	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	48.51 mm	14.22 mm	EC
Standard Circular Connector 6.35mm Red PE EC-4 Caplugs 1: S/0.545 48,327In Stock	Mfr. Part # EC-4 Mouser Part # 376-EC-4	Caplugs	Standard Circular Connector 6.35mm Red PE Learn More about Caplugs ec caps	Datasheet	48,327In Stock	S/0.545 S/0.409 S/0.339 S/0.304 View S/0.261 S/0.245 S/0.191 S/0.179	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	12.19 mm	12.7 mm	EC
Standard Circular Connector 22.23mm Red PE EC-14 Caplugs 1: S/0.895 17,164In Stock	Mfr. Part # EC-14 Mouser Part # 376-EC-14	Caplugs	Standard Circular Connector 22.23mm Red PE Learn More about Caplugs ec caps	Datasheet	17,164In Stock	S/0.895 S/0.708 S/0.697 S/0.638	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	28.7 mm	12.7 mm	EC
Standard Circular Connector 23.62mm Red PE EC-15 Caplugs 1: S/0.973 10,977In Stock	Mfr. Part # EC-15 Mouser Part # 376-EC-15	Caplugs	Standard Circular Connector 23.62mm Red PE Learn More about Caplugs ec caps	Datasheet	10,977In Stock	S/0.973 S/0.747 S/0.619 S/0.553 View S/0.475 S/0.401 S/0.362 S/0.30	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	30.48 mm	12.7 mm	EC
Standard Circular Connector 25.4mm Red PE EC-16 Caplugs 1: S/0.817 16,076In Stock	Mfr. Part # EC-16 Mouser Part # 376-EC-16	Caplugs	Standard Circular Connector 25.4mm Red PE Learn More about Caplugs ec caps	Datasheet	16,076In Stock	S/0.817 S/0.677 S/0.599 S/0.522 View S/0.459 S/0.381 S/0.354 S/0.346 S/0.335	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	30.99 mm	12.7 mm	EC
Standard Circular Connector 30.16mm Red PE EC-19 Caplugs 1: S/0.895 21,842In Stock	Mfr. Part # EC-19 Mouser Part # 376-EC-19	Caplugs	Standard Circular Connector 30.16mm Red PE Learn More about Caplugs ec caps	Datasheet	21,842In Stock	S/0.895 S/0.767 S/0.677 S/0.588 View S/0.522 S/0.432 S/0.401 S/0.389 S/0.358	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	35.56 mm	14.22 mm	EC
Standard Circular Connector 34.93mm Red PE EC-22 Caplugs 1: S/1.05 6,748In Stock 12,840Expected 10/22/2026	Mfr. Part # EC-22 Mouser Part # 376-EC-22	Caplugs	Standard Circular Connector 34.93mm Red PE Learn More about Caplugs ec caps	Datasheet	6,748In Stock 12,840Expected 10/22/2026	S/1.05 S/0.895 S/0.79 S/0.685 View S/0.607 S/0.506 S/0.471 S/0.455 S/0.436	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	40.39 mm	14.22 mm	EC
Standard Circular Connector 36.51mm Red PE EC-23 Caplugs 1: S/1.36 1,536In Stock	Mfr. Part # EC-23 Mouser Part # 376-EC-23	Caplugs	Standard Circular Connector 36.51mm Red PE Learn More about Caplugs ec caps	Datasheet	1,536In Stock	S/1.36 S/1.16 S/1.03 S/0.895 View S/0.79 S/0.654 S/0.615 S/0.545	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	41.91 mm	14.22 mm	EC
Standard Circular Connector 39.69mm Red PE EC-25 Caplugs 1: S/1.48 2,787In Stock	Mfr. Part # EC-25 Mouser Part # 376-EC-25	Caplugs	Standard Circular Connector 39.69mm Red PE Learn More about Caplugs ec caps	Datasheet	2,787In Stock	S/1.48 S/1.26 S/1.11 S/0.965 View S/0.856 S/0.712 S/0.662 S/0.588	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	43.94 mm	12.19 mm	EC
Standard Circular Connector 44.45mm Red PE EC-28 Caplugs 1: S/1.48 5,296In Stock	Mfr. Part # EC-28 Mouser Part # 376-EC-28	Caplugs	Standard Circular Connector 44.45mm Red PE Learn More about Caplugs ec caps	Datasheet	5,296In Stock	S/1.48 S/1.26 S/1.11 S/0.829 View S/0.677 S/0.654 S/0.646 S/0.564	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	49.53 mm	14.22 mm	EC
Standard Circular Connector 50.8mm Red PE EC-32 Caplugs 1: S/2.18 1,999In Stock	Mfr. Part # EC-32 Mouser Part # 376-EC-32	Caplugs	Standard Circular Connector 50.8mm Red PE Learn More about Caplugs ec caps	Datasheet	1,999In Stock	S/2.18 S/1.88 S/1.72 S/1.56 View S/1.42 S/1.07 S/1.04	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	56.39 mm	14.22 mm	EC
Standard Circular Connector 57.15mm Red PE EC-36 Caplugs 1: S/3.11 406In Stock 1,000Expected 10/14/2026	Mfr. Part # EC-36 Mouser Part # 376-EC-36	Caplugs	Standard Circular Connector 57.15mm Red PE Learn More about Caplugs ec caps	Datasheet	406In Stock 1,000Expected 10/14/2026	S/3.11 S/2.69 S/2.46 S/2.21 View S/2.02 S/1.45 S/1.42	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	61.72 mm	15.24 mm	EC
Standard Circular Connector 63.5mm Red PE EC-40 Caplugs 1: S/3.70 1,075In Stock 2,000Expected 10/23/2026	Mfr. Part # EC-40 Mouser Part # 376-EC-40	Caplugs	Standard Circular Connector 63.5mm Red PE Learn More about Caplugs ec caps	Datasheet	1,075In Stock 2,000Expected 10/23/2026	S/3.70 S/3.13 S/3.01 S/2.81 View S/2.56 S/2.30 S/1.93 S/1.92	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	68.07 mm	15.75 mm	EC
Standard Circular Connector 7.93mm Red PE EC-5 Caplugs 1: S/0.545 5,240In Stock	Mfr. Part # EC-5 Mouser Part # 376-EC-5	Caplugs	Standard Circular Connector 7.93mm Red PE Learn More about Caplugs ec caps	Datasheet	5,240In Stock	S/0.545 S/0.428 S/0.354 S/0.319 View S/0.272 S/0.23 S/0.21 S/0.163	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	13.97 mm	14.22 mm	EC
Standard Circular Connector 9.52mm Red PE EC-6 Caplugs 1: S/0.545 17,157In Stock	Mfr. Part # EC-6 Mouser Part # 376-EC-6	Caplugs	Standard Circular Connector 9.52mm Red PE Learn More about Caplugs ec caps	Datasheet	17,157In Stock	S/0.545 S/0.42 S/0.35 S/0.195 S/0.187	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	15.75 mm	12.7 mm	EC
Standard Circular Connector 12.7mm Red PE EC-8 Caplugs 1: S/0.584 21,625In Stock	Mfr. Part # EC-8 Mouser Part # 376-EC-8	Caplugs	Standard Circular Connector 12.7mm Red PE Learn More about Caplugs ec caps	Datasheet	21,625In Stock	S/0.584 S/0.448 S/0.37 S/0.206 S/0.199	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	18.8 mm	12.7 mm	EC
Standard Circular Connector 9/16in Red PE EC-9 Caplugs 1: S/0.623 23,364In Stock	Mfr. Part # EC-9 Mouser Part # 376-EC-9	Caplugs	Standard Circular Connector 9/16in Red PE Learn More about Caplugs ec caps	Datasheet	23,364In Stock	S/0.623 S/0.483 S/0.401 S/0.358 View S/0.308 S/0.261 S/0.234 S/0.226 S/0.195	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	19.81 mm	11.18 mm	EC
Standard Circular Connector 7.99mm Red PE EC-M8 Caplugs 1: S/0.662 2,763In Stock 5,000Expected 10/15/2026	Mfr. Part # EC-M8 Mouser Part # 376-EC-M8	Caplugs	Standard Circular Connector 7.99mm Red PE Learn More about Caplugs ec caps	Datasheet	2,763In Stock 5,000Expected 10/15/2026	S/0.662 S/0.506 S/0.42 S/0.374 View S/0.323 S/0.272 S/0.245 S/0.191	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	13.97 mm	14.22 mm	EC