DOUBLE D LOCKIT:
STRAIN-RELIEF BUSHING
Heyco
Products, Inc. created the term “Double D” decades
ago, as product specifier or installer shorthand. It refers
to a circular electrical housing and chassis mounting and
cord opening with two opposing flat surfaces. The Double D
does double duty. It securely holds electrical wire and cordsets,
concurrently sealing the chassis openings. Now the Double
D Lockit also prevents a strain-relief bushing or plug from
allowing a wire or cordset to dangerously rotate inside an
electrical chassis or housing.
With the advent
of the Double D Lockit, Heyco introduces the next generation
in strain-reliefs: ones which fit existing compact Double
D openings, and employ new safety features from Heyco’s
famous Lockit line of strain-relief bushings.
Heyco’s Double
D Lockit design allows wire or cordset to be clamped securely
within a strain-relief bushing, installed into a mounting
panel at a remote location, pulled through safely or installed
at a later step in the housing assembly process.
Product
Applications: Heyco Double D Lockit is an evolutionary
new double-duty strain-relief bushing. It seals electrical
housing and chassis mounting and cord openings. At the same
time, it provides lasting strain-relief against wire or cordset
twisting, pulling or the forces of gravity in large and small
appliances, power tools, consumer and industrial electronics,
motor housings and lighting fixtures; any electrical assembly
prone to the stresses of pull, push or twist, requiring UL-listed
strain-relief. Users of standard strain-relief solutions will
immediately appreciate the dual benefits of Heyco’s
Double D Lockit design.
Product
Description: The Double D Lockit strain-relief bushing
is designed to fit into standard Double D openings. Flat sides
at both ends of the bushing prevent the Lockit from turning
in the opening. This protects current-carrying wires from
twisting and from other natural or inadvertent stresses that
can cause electrical failure.
Double D Lockit
easily snaps into place without need for any tools, adding
to installer comfort and safety while reducing assembly time
and cost. The Double D Lockit strain-relief has a five-step
locking mechanism unique to Heyco, covering chassis ranges
to 0.125-inches thick. Sizes are available to fit cords ranging
from 0.220- to 0.430-inch diameters.
Double D Lockit
locks into place directly onto cords without need for chassis
insertion, allowing it to be preassembled onto cords at the
shop or jobsite, for additional time and cost efficiency.
Construction
& Finishes: Double D Lockit strain-relief bushings
are precision-molded of high-impact Type 6/6 nylon. Bushings
have a flammability classification of UL 94V-2 and can withstand
temperatures up to 125°C. An array of standard colors,
and custom matches, are available.
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