ELECTRICAL PARTS

CONDUIT LOCK NUT - is a threaded metal ring used to secure electrical connectors and conduits tightly against junction boxes, enclosures, or panels, preventing them from loosening due to vibration.

MC ANTI-SHORT BUSHING: is a small plastic protective sleeve inserted into the end of a Metal-Clad (MC) cable to cover the sharp, freshly cut metal edges of the armor casing, preventing them from slicing into the wire insulation and causing electrical shorts.

STRUT NUTS/ “TWIRL NUTS": is a rectangular metal nut with side grooves and an attached spring or plastic tab that slips inside a piece of Unistrut channel to securely anchor threaded rods, bolts, or brackets for supporting electrical raceways and equipment.

SELF TAPPING SCREWS: are a threaded fastener designed with a sharp, specialized point and cutting threads that carve its own mating threads into metal, wood, or plastic as it is driven in, eliminating the need to pre-drill a tapped hole.

CUT WASHER: are flat, thin metal ring placed under the head of a bolt, screw, or nut to distribute the fastener's clamping load over a larger surface area and prevent damage to the material being fastened.

LOCK WASHER: are a specialized ring—typically featuring a split design or gripping teeth—placed under a nut or bolt head to create tension and prevent the fastener from vibrating loose over time.

FENDER WASHER: is a flat metal washer with a significantly larger outer diameter relative to its inner hole size, used to distribute the clamping force over a wide area to prevent bolts or screws from pulling through soft materials, thin sheet metal, or oversized holes.

TWO HOLE 90 BRACKET: are an L-shaped metal angle bracket with a bolt hole on each side, used to connect pieces of strut channel at a right angle or attach strut to a wall or structural beam.

3 HOLE 90 PLATE: is a flat, L-shaped metal plate with three bolt holes that aligns and securely joins pieces of strut channel together at a 90-degree corner.

THREAD ROD/“ALL THREAD”: is a long, continuous metal rod threaded along its entire length, used to suspend electrical equipment, strut channels, cable trays, or junction boxes from ceilings and overhead structural beams.

2 HOLE COMPRESSION LUG: is a heavy-duty metal connector crimped onto the end of a large electrical cable, featuring two bolt holes to securely fasten high-voltage or high-amperage conductors to electrical panels, transformers, or equipment buses.

ONE HOLE COMPRESSION LUG: is a a heavy-duty metal connector crimped onto the end of an electrical cable with a single bolt hole to securely connect conductors to electrical panels, switches, or equipment buses.

heat-shrinkable tube/"heat shrink": is a flexible plastic tubing that shrinks radially when heated, slipping over electrical connections or wire splices to insulate, protect against moisture, and provide strain relief.

Ring terminal: is an electrical wire connector featuring a circular eyelet at the end that is crimped onto a stranded wire, allowing the conductor to be securely bolted or screwed down to a stud terminal.

ladder tray/“cable tray”: is an open-frame metal support system resembling a ladder that is used to securely organize, route, and support heavy runs of electrical cables and wires across ceilings and walls in commercial or industrial buildings.

wire mesh cable tray/"basket tray": is a lightweight, open-grid wire enclosure used to route, organize, and continuously support smaller runs of electrical, data, and communication cables throughout a building.

Electrical Metallic Tubing (EMT): is a lightweight, thin-walled metal raceway used to enclose, protect, and route electrical wires and cables inside commercial, industrial, and residential structures.

Flex Metal Conduit: is a spiral-wound, flexible metal raceway used to enclose and protect electrical wiring in areas that require flexibility, movement, or protection against vibration, such as connections to motors, light fixtures, or equipment. Empty inside

Metal-Clad Cable (MC cable or MC conduit): is a factory assembly of insulated electrical conductors enclosed within a flexible, armor-like metal sheath, used to safely route and protect electrical wiring inside walls, ceilings, and industrial spaces.

Strut Strap: is a slotted, two-piece or hinged metal clamp engineered to fit directly into a strut channel, securing pipe, conduit, or tubing tightly against the channel framework.

ONE HOLE STRAP: is a curved metal or plastic bracket with a single mounting hole, used to secure conduit or pipe flat against a wall, stud, or structural surface.

square washer: is a thick, square metal plate with a center hole designed to distribute clamping load over a larger surface area, commonly used alongside strut channels and threaded rods to prevent bolt heads or nuts from pulling through.

CABLE TRAY DROP OUT/“WATERFALL”: is a curved metal attachment installed on a cable tray to maintain a smooth, controlled bending radius as cables exit the tray, protecting the conductors from sharp bends and pinching.

BASKET TRAY DROP OUT is a smooth, curved plastic or metal guide attached to a wire mesh cable tray to safely transition cables out of the basket without exceeding their minimum bend radius or damaging the insulation against sharp wire edges.

STRAIGHT FLEX CONNECTOR is a threaded fitting used to join flexible metal conduit (FMC) or liquid-tight flex in a straight line directly into a knockout hole in a junction box, panel, or electrical enclosure.

90 FLEX CONNECTOR is a right-angled fitting used to secure and transition flexible metal conduit (FMC) or liquid-tight flex into a junction box or enclosure at a 90-degree angle, allowing for clean wire routing in tight spaces.

EMT RAIN TIGHT COMPRESSION CONNECTOR is a gasketed metal fitting engineered to form a wet-location, water-resistant seal when joining thin-wall Electrical Metallic Tubing (EMT) directly into an outdoor or damp-location knockout box or enclosure.

MC SET SCREW CONNECTOR is a metal fitting equipped with a set screw to secure metal-clad (MC) cable, armor-clad (AC) cable, or flexible metal conduit into a knockout opening of a junction box or electrical enclosure.

TWO SCREW MC CONNECTOR is a metal fitting equipped with a double-screw clamp that tightens around the sheath to securely hold metal-clad (MC) cable, armored cable (AC), or flexible metal conduit inside a knockout opening of a panel or electrical box.

EMT SET SCREW COUPLING is a metal sleeve fitting with set screws at each end used to join two straight lengths of Electrical Metallic Tubing (EMT) together in dry locations.

EMT RAIN TIGHT COMPRESSION COUPLING is a gasketed metal sleeve fitting with compression nuts at both ends used to join two straight lengths of Electrical Metallic Tubing (EMT) together while maintaining a water-resistant seal in wet or outdoor locations.

GROUND BUSHING is a threaded conduit fitting equipped with an integral lay-in lug, installed on the end of a rigid metal conduit (RMC) or intermediate metal conduit (IMC) entry to protect wire insulation from sharp edges while providing a secure connection for a bonding jumper.

PLASTIC BUSHING is a smooth, threaded thermoplastic sleeve screwed onto the exposed end of a rigid conduit or connector to protect conductor insulation from chafing or cutting against sharp metal edges as wires are pulled into an electrical enclosure.

PLASTIC PUSH-IN BUSHING is a snap-in thermoplastic ring inserted directly into the raw edge of a metal knockout hole, box entry, or metal stud to shield wire and cable insulation from being cut or abraded during wire pulls.

RIGID COUPLING is a internally threaded metal sleeve used to join two threaded lengths of Rigid Metal Conduit (RMC) or Intermediate Metal Conduit (IMC) together in a continuous

RIGID NIPPLE is a short length of Heavy-Wall Rigid Metal Conduit (RMC) threaded at both ends, used to extend a conduit run or connect two electrical enclosures, boxes, or fittings.

SOLID STRUT CHANNEL (or un-slotted strut) is a continuous metal channel with a solid back, used as a heavy-duty structural support to mount, brace, or fasten electrical conduit, cable trays, and equipment when custom field-drilling is preferred or continuous surface contact is required.

SLOTTED STRUT CHANNEL is a standardized metal channel with pre-punched oval slots along its back, allowing threaded rods, bolts, and fasteners to be easily positioned and adjusted without field-drilling during the installation of electrical conduit, raceways, and support structures.