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 Feb 12Shunted vs. Non-Shunted
Did you know that using the wrong type of sockets could mean you void the Underwriters Laboratories (UL) listing? As all insurance companies accept the standards for the UL listing, if it is voided your insurance coverage may be voided as well. Using the right socket for your linear fluorescent or LED light fixture ensures you get the maximum life from your lighting. More importantly, the improper socket can lead to an electrical shortage that may cause a fire. The choice between using shunted or non-shunted sockets depends on the size of the fluorescent tubes and the ballasts. The most accurate way to test for shunted/non-shunted sockets is with a voltage meter. If the meter lights up or beeps when you only touch one of the contact points, that means the electrical contacts are connected, or shunted. If there is no current, the meter display does not change. The simplest explanation of the difference between shunted and non-shunted sockets follows: - Shunted Sockets: Shunted sockets have an electrical current that joins two points of a circuit with a conductor. They house electrical contacts that are internally connected. The current runs from the ballast to the tombstone socket all the way to the lamp’s pins.
- Non-Shunted Sockets: Non-shunted sockets come with individual entry points for the wires. They have two tracks for the electrical current to travel, however, their electrical currents are not internally joined or connected.
Please contact friendly and knowledgeable associates at hmlighting.com to answer your questions. We sell a wide variety of fluorescent sockets and are standing ready to help you find the solution you need.
| LH0004 Leviton 431W, G13 medium base, non-shunted, butt-on, un-tapped center hole mount, quickwire 18AWG soliid or stranded tinned, white, 660W-600V, UL listed, CSA certified- NOM certified Non-shunted G13 medium bipin butt-on socket Link to T8, LH0006 Vossloh 101674, G13 medium bipin, non-shunted, butt-on, rotary locking, 660W-600V, cULus, polycarbonate body, PBT GF rotor, T120 temperature rating, RoHS compliant, screw mounting, 18 AWG quick connects Non-shunted butt-on rotary locking screw mount G13 medium base socket Link to T8, LH0010, non-shunted, butt-on, G13 medium bipin, 9 inch leads, clearance holes for 1/8 rivets, 660W-600V, cULus, CSA listed The LH0010 (HH 1-500W-C) is a G13 medium bipin socket. This lamp holder is non-shunted, butt-on mounted and has 9 inch leads.The LH0010 is comparable or equal to the American DeRosa D2653, DM Y68L, 85862, HH LH0025 HH 1-526SW, Non-shunted, G13 medium bipin, slide on 20 gauge, 660w-600v , 30.2mm lamp axis, cULus, CSA The LH0025 HH Fluorescent 1-526SW is a lamp holder socket that is non-shunted and is for T8, T10, T12, G13 medium bipin base fluorescent lamps. It is a slide on "V" lock tombstone, socket for 20 gauge o LH0026 HH 1-1126SW-1-2, Non-shunted, G13 medium bipin, tall socket for 18GA, slide on or screw down, 660w-600v, quick connect terminals, UL, CSA The LH0026 H.H.1-1126SW-1-2 tombstone, socket is non-shunted and fits G13 medium bipin T8, T10 and T12 fluorescents. It can be slide on or screw down. Non-shunted G13 medium bipin for T8, T10 and T12 fluorescents Link LH0031 Vossloh 545845, Non-shunted, G13 medium bipin -23mm lamp axis, 660w-600v, push through, quick connect terminals, locator post-stop, cULus, RoHS The LH0031 Vossloh Schwabe 545845 lamp holder socket is a non-shunted, G13 medium bipin T8-T12 fluorescent tombstone socket with a locator post-stop. It has a 23mm lamp axis, 660w-600v, push through, quick connect terminals, LH0032 Vossloh 545849, Non-shunted, G13 medium bipin, push fit, 23mm lamp axis, cULus, 660w-600v, RoHS, no locator pin-stop, quick connect terminals The LH0032 Vossloh Schwabe 545849 lamp holder socket is a non-shunted, G13 medium bipin tombstone socket that is compatible with T8-T12 fluorescents. It has a 23mm lamp axis, cULus, 660w-600v, RoHS, no locator pin-stop, and quick con LH0047, Non-shunted, G13 medium bipin, rotary, slide on, push fit, 660w-600v, 22mm lamp axis, cULus The LH0047 is a non-shunted (unshunted), G13 medium bipin, rotary, slide on, push fit, tombstone lampholder. The LH0047 is rated at 660w-600v and has a 22mm lamp axis, Link to LH0061 Kulka 1801, non-shunted, G13 medium bipin, For T8-T12 fluorescents, palnut included, slide on or screw mount, 18 gauge quick connect terminals, 22.2 mm lamp axis, 660w-600v, UL, CSA Non-shunted, medium bipin, slide on or screw mount, palnut included Link to T8, LH0087 Discontinued see LH0874 LH0094 Kulka 1551, non-shunted, G13 medium bipin, For T8-T12 fluorescents or LED, turn style- screw down, 18 gauge quick connect terminals, 30mm lamp axis, 660w-600v, UL, CSA The LH0094 Kulka 1551 is a screw mount, non-shunted, G13 medium bipin fluorescent or LED lamp holder tombstone socket. It accomodates T8/T10/T12 fluorescent and LED bulbs. The LH0094 Kulka 1551 has a voltage of 660w- LH0115 Kulka 594, Non-shunted, G13 medium bipin, fluorescents or LED, butt-on, center clearance hole- 9 leads, 660w-600v, UL, CSA Non-shunted, G13 medium bipin, butt-on, 9 leads , T8-T12 fluorescent or LED socket Link to T8, LH0117 Kulka 534.1K, Non-shunted, G13 medium bipin, fluorescents or LED, snap-in, spring loaded- 9 leads, 660w, dual rated 600v-1000v , blue gasket for water resistance, cULus Non-shunted, G13 medium bipin, snap in, spring loaded, 9 leads , T8-T12 fluorescent or LED socket LH0118 Kulka 534.2K, Non-shunted, G13 medium bipin, fluorescents or LED, snap-in, stationary- 9 leads, 660w, dual rated 600v-1000v , blue gasket for water resistance, cULus Non-shunted, G13 medium bipin, snap in, stationary 9 leads , T8-T12 fluorescent or LED socket LH0500 Vossloh 109376, Shunted, T8-T12, G13, medium bipin, push fit, stop/locator pin, 660w -600v, 31mm lamp axis, cULus Shunted, T8-T12 lamp holder with push fit mounting and stop/locator post Link to T8, LH0652 HH 3-1226SW-2, Non-shunted, 22.2mm lamp axis, T8-T12, low profile, push fit, slide on, 660w, 600V, cULus, quick connects The LH0652 HH Fluorescent 3-1226XW-2 is a non-shunted, T8-T12 low profile lampholder / socket / tombstone. It has a 22mm lamp axis, and is for G13 medium base LED and fluorescent tubular lamps. Palnut and Screw sold seperately, see 365 LH0804 Vossloh 545842, Shunted, G13 medium bipin, T8-T12, push fit, no stop/locator post, cULus, ENEC, RoHS, 660w, 600v Shunted, T8-T12 lamp holder with push fit mounting and no stop/locator post Link to T8, LH0028 HH 1-1650SW-1-2, Non-shunted, G13 medium bipin, straight insertion, 18 ga slide on, 660w-600v, quick connect terminals, cULus, CSA, 22.2mm lamp axis The LH0028 HH 1-1650SW1-2 is a non-shunted G13 medium bipin tombstone lamp socket is for T8, T10 and T12 linear and U lamps. LH0046, Non-shunted, G13 medium bipin, straight insertion, push fit, 660w-600v, 18 gauge quick connects, cULus, CSA The LH0046 is a tombstone lamp holder socket that can be used for T8/T10/T12 lamps and "U" lamps. The LH0046 is made of polycarbonate and has a push fit, slide on, or screw down mounting style. The LH0046 has a height of 1.594 inches and is c LH0080 Vossloh 101643 LH0080, non-shunted, G13 medium bipin, For T8-12 fluorescents, mounting holes 1.18 on center- 18 gauge quick connect terminals, 22mm lamp axis, 660w-600v, cULus, RoHS Non-shunted, G13 medium bipin, T8-T12 fluorescent round socket LH0085 HH 1650, non-shunted, G13 medium bipin, For T8-T12 fluorescents, straight insertion, slide on-screw down, 18 gauge quick connect terminals, 22.2mm lamp axis, 660w-600v, UL, CSA Non-shunted, G13 medium bipin, slide on-screw down, straight insertion, T8-T12 fluorescent tombstone socket LH0092 Discontinued see LH0046 LH0103 EMF LR88, Non-shunted, G13 medium bipin, fluorescents or LED, molded, water resistant, use with LH0339 cap for T12 lamps, use with LH0358 or LH0741 cap, 6 #18awg leads, 660w-1000v, UL, CSA The LH0103 EMF LR88 is a non-shunted, G13 medium bipin, tombstone molded lampholder socket that fits lamp bases of G13 medium bipin. It can be used with T8-T12 bipin fluorescents or LED. The LH0103 EMF LR88 water LH0104 EMF LR89, Non-shunted, G13 medium bipin, fluorescents or LED, molded, water resistant, push fit, flexible wings, use with LH0339 cap for T12 lamps, use with LH0358 or LH0741 cap, 6 #18awg leads -nut and screw included, 660w-1000v - The LH0104 EMF LR89 lampholder socket is non-shunted, water resistant, and has flexible wings. It is designed for T8-T12 fluorescent or LED bulbs.The LH0104 EMF LR89 along with a tube guard and cap provide LH0106 EMF LR93, Non-shunted, G13 medium bipin, fluorescents or LED, molded, water resistant, push fit, flexible wings, use with LH0341 cap for T12 lamps, use with LH0340 cap, use with LH0359 for T8 Arctic lamps, 6 #18awg leads, 660w-1000 The LH0106 EMF LR93 lampholder socket is non-shunted, water resistant, and has flexible wings. It is designed for T8-T12 fluorescent or LED bulbs.The LH0106 EMF LR90 along with a tube guard and cap provide a water LH0011 HH 1-450W-2A, non-shunted, G5 minaiture bipin, T5 fluorescent socket, long bracket, clearance hole for 1/8 rivet, 75w-660v, 9 leads LH0011 HH 1-450W-2A , non-shunted, G5 minaiture bipin lampholder, T5 fluorescent socket, with a long bracket, clearance hole for 1/8 rivet, 75w-660v, 9 inch leads. The LH0011 is comparable or equal to the American DeRosa D3957 LH0015 Vossloh 545935, non-shunted, G5 miniature bipin base, for T4/T5 linear fluorescents, push-through mount, rotary locking, quick connect terminals, 120W-600V, for wall thickness 0.020, 0.059, cULus Non-shunted rotary T4/T5 miniature bipin socket Link to T5 lamps that this support fits LH0020 Discontinued use LH0723 LH0070 Vossloh 106455, non-shunted, G5 miniature bipin, For T5 fluorescents, rear or base snap-in, 18 gauge quick connect terminals, 12mm lamp axis, 120w-600v, cULus, RoHS Non-shunted, miniature bipin, T5 fluorescent socket LH0099 Vossloh 505739, non-shunted, G5 miniature bipin, For T5 fluorescents or LED, rotary locking, push fit, without locator pin-stop, 18 gauge quick connect terminals, 120w-600v, cULus, VDE/ENEC Non-shunted, G5 miniature bipin, push fit, rotary locking, T5 fluorescent or LED socket Link to T5 lamps LH0121 Kulka 572, Fa8, single pin, slimline, fluorescents or LED, butt mount, spring loaded- 9 leads, 660w, 1000v , UL, CSA Fa8, single pin, slimline, 9 lead fluorescent or LED socket LH0122, Kulka 573 Fa8, single pin, slimline, fluorescents or LED, butt mount, stationary, 9 leads, 660w, 600v , UL, CSA Fa8, single pin, slimline, 9 lead fluorescent or LED socket LH0123 Kulka 584GDF, Fa8, single pin, slimline, fluorescents or LED, snap in, stationary, mates to LH0124, blue neoprene gasket, pitch to insularte electrical contacts, 9 leads, 660w, 600v , UL, CSA Fa8, single pin, slimline, 9 lead fluorescent or LED socket LH0124 Kulka 585GDF, Fa8, single pin, slimline, fluorescents or LED, snap in, spring loaded, mates to LH0123, blue neoprene gasket, pitch to insularte electrical contacts, 9 leads, 660w, 1000v , UL, CSA Fa8, single pin, slimline, 9 lead fluorescent or LED socket LH0159 Obsolete, substitution is LH0161 LH0160 Obsolete, substitution is LH0162 LH0161 HH 1-314, Fa8, slimline, single pin, flexible wings, push fit, slide on, stationary, mates to LH0162, 660W, 600V -cULus The LH0161 H.H. Fluorescent 1-314 tombstone lamp holder is a shunted, stationary (female) end, push fit or screw down slimline lamp holder. The LH0161 H.H. Fluorescent 1-314 fits Fa8 single pin lamp bases and has LH0162 HH 1-315, Fa8, slimline, single pin, flexible wings, push fit, slide on, plunger, mates to LH0161, 660W, 600V -cULus The LH0162 H.H. Fluorescent 1-315 tombstone lamp holder is a shunted, plunger (male) end, push fit or screw down slimline lamp holder. The LH0162 H.H. Fluorescent 1-315 fits Fa8 single pin lamp bases and ha LH0049 Leviton 13662-SNP, Non-shunted, G13 medium bipin, dedicated T8, 16mm lamp axis, rotary, push fit, no locator post-stop, 660w-600v, UL, CSA The LH0049 Leviton 13662-SNP is a T8 tombstone fluorescent socket that is a dedicated T8, 16MM lamp center, miniature bi-pin, non-shunted, turn type with lamp lock, 660W-600V. The LH0049 Leviton 13662-SNP LH0062 Kulka 542, non-shunted, G13 medium bipin, For T8-T12 fluorescents, screws included, butt-on, 9 18 gauge wire leads- plunger end, 660w-600v, UL, CSA Non-shunted, medium bipin, butt-on, spring loaded, screws included Link to T8 lamps that this socket fits LH0063 Kulka 543, non-shunted, G13 medium bipin, For T8-T12 fluorescents, screws included, butt-on, 9 18 gauge wire leads- stationary end, 660w-600v, UL, CSA Non-shunted, medium bipin, butt-on, stationary end, screws included Link to T8 lamps that this socket fits LH0084 Vossloh 100551, non-shunted, G13 medium bipin, For T8 fluorescents, rotary, flush mounting, mounting foot for #6 screws, 18 gauge quick connect terminals, 17mm lamp axis, 660w-600v, cULus, ENEC, RoHS The LH0084 Vossloh 100551 lampholder socket is a T8 fluorescent tombstone socket that is non-shunted and has a G13 medium bipin. It is flush mount and rotary. It has a mounting foot for #6 screws and an 18 gauge quick connect.&nbs LH0097 Leviton 13518, non-shunted, G13 medium bipin, For T8-T12 fluorescents or LED, plunger side- snap in, mates to LH0098 stationary side, 18 gauge quick connect terminals, 660w-600v, UL, CSA The LH0097 Leviton 13518 is a medium base, bi-pin, standard fluorescent or LED button lampholder that is white. The LH0097 Leviton 13518 is a snap-in, plunger, quickwire lampholder that can be used with LH0759 Leviton 13652-WP Non-shunted, Medium Base, T8 Only Bi-Pin, Standard Fluorescent Lampholder, Extra-Low Profile, Snap-In or Slide-ON, Lamp-Lock, Quickwire 18AWG Solid or Str Tinned, White With Panel Locator Post Non-shunted, Medium Base, T8 Only Bi-Pin, Standard Fluorescent Lampholder, Extra-Low Profile, Snap-In or Slide-ON, Lamp-Lock, , Quickwire 18AWG Solid or Str Tinned, White With Panel Locator Post Link to LH1067 Leviton 23662-SNP, G12 bipin, T8 only, shunted, low profile, rotary locking, cULus, 120w-600v, no post, 16mm lamp axis, no post-locator Shunted, rotary locking, T8 . bipin socket w/push fit mounting Link to T8 lamps that this support fits LH1066 Leviton 23662-SWP, G13 medium bipin, shunted, dedicated T8, rotary locking, push through, quick connect, 660w-600v, cULus, CSA Shunted, rotary locking, T8 lamp holder with push fit mounting & stop/post Link to T8 lamps that this socket fit LH1072 Etlin Daniels FL011-WS, Shunted, G13 medium bipin, for T8-T12 fluorescents, push fit, 18 gauge quick connect terminals, 660w-600v, 30mm lamp axis, cCSAus, cULus Shunted G13 medium bipin T8-T12 push fit fluorescent socket Link to T8, LH1079 Leviton 13357-N , Non-shunted, G13, medium bipin base, T8 / T12, 660w, 600v, captive nut, screw, slide on Unshunted, slide on or screw down T8/T10/T12 lamp holder Medium Base, Bi-Pin, Standard Fluorescent Lampholder, Tall Profile, Slide-On, TurnType, Captive Nut Screws Packed Bulk, Quick-Connect 18AWG Solid or Str. Tinned, White Link to LH1097 Etlin-Daniels FL206-BSI-S, Shunted, T8 only, rotary locking, push fit, 660w, 600v, fluorescent socket Shunted, rotary locking, low profile, push fit T8 only lampholder Link to T8 lamps that this socket fits LH0106-BLK EMF LR93BLK, Non-shunted, G13 medium bipin, fluorescents or LED, molded, black, water resistant, push fit, flexible wings The LH0106 EMF LR93-BLK lampholder socket is non-shunted, water resistant, and has flexible wings. It is designed for T8-T12 fluorescent or LED bulbs.The LH0106 EMF LR93-blk along with a tube guard and cap pr EMF-LR89BLK LH0104-BLK, Non-shunted, G13 medium bipin, fluorescents or LED, black, molded, water resistant, push fit, flexible wings, use with LH0339 cap for T12 lamps, use with LH0358 or LH0741 cap, 6 #18awg leads -nut and screw included The LH0104-BLK EMF LR89-BLK lampholder socket is non-shunted, water resistant, and has flexible wings. It is designed for T8-T12 fluorescent or LED bulbs.The LH0104-BLK EMF LR89-BLK along with a tube guard and cap pr LH1104 BJB26.660.2003, G5, T5, miniature bipin, non-shunted, side wiring, 1000W, 500V, rotary locking, push fit, quick connect Non-shunted, G5 T5 miniature bipin socket push fit with side connections Link to T5 lamps that this s Stucci 3249/9S/U/PBT LH0993, Non-shunted, G13, medium bipin, rotary, push fit, stop/post, 660w, 600v, cULus Unshunted, T8-T12, rotary locking lamp holder with stop/post push fit mounting Link to T8, LH1102 Leviton 13661-SNP, Non-shunted, T8/T12, rotary locking, 23mm lamp center, snap in, flexible wings, 660W-600V, no post/lamp locator pin Non-shunted, T8-T12 low profile lamp holder with push fit mounting and no stop/locator post Link to T8, LH1114 Leviton 23519 shunted, G13 medium bipin, stationary side, snap in socket, 660w-600v, UL, CSA Shunted, G13 medium bipin, snap in, stationary side, T8-T12 fluorescent or LED socket Link to T8 lamps that t LH1105 Leviton 13180-U T8-T12 U-lamp straight in non-shunted The LH1105 Leviton 13180-U is a G13 medium bipin LED or fluorescent socket / lampholder / tombstone. It has a straight insertion for "U" lamps and is slide on mounted. The Leviton 13180-U is nonshunted and has "quickwire" connections Link t LH1152 HH 1326RW-5Medium bipin screw down disconnect socket The LH1152 HH Fluorescent 1326RW-5 is a "disconnect" lampholder / socket / tombstone. It is for fluorescent ballasts that require a disconnect socket. The LH1152 HH Fluorescent 1326RW-5 is for G13 medium bipin base fluorescent lamps and has a scre |
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