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Enclosure Grounding

Enclosure grounding is a fundamental safety practice in electrical systems, especially for metal enclosures, which are common in housing electrical equipment. This process involves creating a secure connection between the enclosure and the earth ground, providing a path for fault currents and reducing the risk of electric shock. The grounding system typically includes ground wires or a grounding conductor that connects the enclosure to a ground rod or other grounding point.

The main purpose of grounding metal enclosures is to ensure that in the event of an electrical fault, such as a short circuit, the fault current is safely directed to the earth, preventing it from passing through a person. This connection to earth ground is crucial for preventing electric shocks and protecting both the equipment and individuals working near or with the electrical system.

Grounding also plays a significant role in stabilizing the electrical potential of the enclosure, thus safeguarding sensitive electronics inside from static charge buildup and voltage spikes, which might occur due to lightning strikes or power surges. For metal enclosures, this is particularly important as metal is a good conductor of electricity.

Products

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$14.03
Dottie WTH50 - 4'' Weathertight Hub is a die-cast zinc alloy hub designed to terminate rigid conduit or IMC into an enclosure. With an oversized locknut for vibration-proof installation, it meets NEMA sealing requirements and is listed for use in wet locations. Threaded NPT connection for use with threaded conduit.
$30.81
Dottie WTH150 - 1-1/4'' Weathertight Hub is made of zinc alloy for durability. Designed to terminate rigid conduit or IMC into an enclosure, this hub features an oversized locknut for vibration-proof installation. It meets NEMA sealing requirements and is listed for use in wet locations. Connection type is threaded NPT, suitable for use with threaded conduit.
$25.42
Dottie WTHGL75 - 1/2'' Weathertight Hub with Grounding Lug is a durable zinc alloy construction that terminates rigid conduit or IMC into enclosures. The oversized locknut ensures vibration-proof installation, meeting NEMA sealing requirements for wet locations. With NPT thread type, this hub is listed for use with threaded conduit.
$44.28
Dottie WTH200 - 1-1/2'' Weathertight Hub is a zinc alloy construction designed for terminating rigid conduit or IMC into an enclosure. Its oversized locknut ensures vibration-proof installation. Meets NEMA sealing requirements and is listed for wet locations. Features NPT thread type and is compatible with threaded conduit. Die-cast construction guarantees durability.
$40.30
Dottie WTHGL100 - 3/4'' Weathertight Hub is a zinc alloy construction that terminates rigid conduit or IMC into an enclosure. Features include an oversized locknut for vibration-proof installation, NEMA sealing requirements, and wet location suitability. NPT threaded connection for use with threaded conduit. Die-cast construction for durability.
$122.24
Dottie WTH300 - 2-1/2'' Weathertight Hub is a zinc alloy hub designed for terminating rigid conduit or IMC into an enclosure. It features an oversized locknut for vibration-proof installation, meets NEMA sealing requirements, is listed for wet locations, and has NPT threads for use with threaded conduit. Die cast construction ensures durability.
$45.75
Dottie WTHGL125 - 1'' Weathertight Hub with Grounding Lug is a zinc alloy hub designed for terminating rigid conduit or IMC into an enclosure. Featuring an oversized locknut for vibration-proof installation, it meets NEMA sealing requirements and is listed for use in wet locations. Thread type is NPT, and it is suitable for use with threaded conduit. Die cast construction with threaded connection.
$152.46
Dottie WTHGL250 - 2'' Weathertight Hub w/ Grounding Lug is a die cast zinc alloy construction with NPT thread type. It terminates rigid conduit or IMC into an enclosure, meeting NEMA sealing requirements for wet locations. Features an oversized locknut for vibration proof installation. Compatible with threaded conduit, providing a secure connection.
$159.77
Dottie WTH350 - 3'' Weathertight Hub is a zinc alloy hub designed for terminating rigid conduit or IMC into an enclosure. It features an oversized locknut for vibration-proof installation, meets NEMA sealing requirements, and is listed for use in wet locations. The hub has NPT threads and is compatible with threaded conduit.
$86.63
Dottie WTH250 - 2" Weathertight Hub is a zinc alloy construction weathertight hub for terminating rigid conduit or IMC into an enclosure. Featuring an oversized locknut for vibration-proof installation, it meets NEMA sealing requirements and is listed for use in wet locations. Thread type is NPT, for use with threaded conduit.
$174.11
Dottie WTH400 - 3-1/2'' Weathertight Hub is a Zinc Alloy hub designed to terminate rigid conduit or IMC into an enclosure. Features include oversized locknut for vibration-proof installation, NEMA sealing requirements, wet location listing, NPT thread type, die-cast construction, and compatibility with threaded conduit. Ideal for secure, weatherproof connections.
$215.14
Dottie WTHGL300 - 2-1/2'' Weathertight Hub w/ Grounding Lug is a zinc alloy construction hub designed to terminate rigid conduit or IMC into an enclosure. It features an oversized locknut for vibration proof installation, meets NEMA sealing requirements, and is listed for use in wet locations. Thread type NPT for use with threaded conduit.