ballast tube

[′bal·əst ‚tüb]

(electricity)

A ballast resistor mounted in an evacuated glass or metal envelope, like that of a vacuum tube, to reduce radiation of heat from the resistance element and thereby improve the voltage-regulating action.

Mentioned in ?

ballast resistor

References in periodicals archive ?

The machine uses forced air to accelerate molding sand up through an inside ballast tube, where it is scrubbed against sands trapped under a steel receptacle.

New technology, enhancements shine at CastExpo '99

Tenders are invited for Replacement of flourescent tube light with led tube light of 9000 nos including removing ballast tube light and modification of connections suitable for led tube as per the scope of work enclosed at annexure a ofmk

Replacement Of Flourescent Tube Light With Led Tube Light Of 9000 Nos Including Removing Ballast Tube Light And Modification Of Connections Suitable For Led Tube As Per The Scope Of Work Enclosed At Annexure A Ofmk

Tenders are invited for installation of ballast tube along approx 4,500 lf of pond toe in two existing, lined sewer ponds.

Spalding Community Services District (scsd) Sewer Pond Ballast Project

Tenders are invited for Repair Maint Of Internal Electric Supply To Certain Bldgs Of Otm Accn Amu Node Demo Bn Mech Demo Mt Park Karbala Complex Yo Wing Sw Div Pc Wing Adm Wing W T Wing Special Repair Works At Copper Ballast Tube Light Fitting

Repair maint of internal electric supply to certain bldgs of otm accn amu node demo bn mech demo mt park karbala complex yo wing sw div pc wing adm wing w t wing special repair works at copper ballast

Tenders are invited for Maintenance of internal electric supply including attending daily complaints of switches sockets mcbs light fittings ballast tube rod and connected works at air force record office air hq computer centre afcao csdo davcaps area at geaf subroto p

Maintenance of internal electric supply including attending daily complaints of switches sockets mcbs light fittings ballast tube rod and connected works at air force record office air hq computer cen

Tenders are invited for Repair And Maints Of Internal Elect Ric Supply To Certain Bldgs Spl Repair Works At Copper Ballast Tube Light Fittings In To Led Light Fitting In Offrs Md Accn Under Ge Maint Mhow

Repair and maints of internal elect ric supply to certain bldgs spl repair works at copper ballast tube light fittings in to led light fitting in offrs md accn under ge maint mhow

Tenders are invited for Maintenance Of Internal Electric Supply Including Attending Daily Complaints Of Switches Sockets Mcbs Light Fittings Ballast Tube Rod And Repair Replacement Of Lt Ug Cable Panel Boards Feeder Pillar Box Cable Junction Box Msb Smb And Certain External

Maintenance of internal electric supply including attending daily complaints of switches sockets mcbs light fittings ballast tube rod and repair replacement of lt ug cable panel boards feeder pillar b

Tenders are invited for Maintenance Of Electrical And Mechanical Installation For 106 Bn Raf At Jamshedpur During 2014 15 Sh Supply Of Lamp Ballast Tube Switch Socket And Mcb Etc

supply of lamp ballast tube switch socket and mcb etc

Tenders are invited for 1X28 Watt T-5 Indoor Fl Fittings Complete With T-5 Ballast Tube. Make: Surya Or Philips Or Similar.

1x28 watt t-5 indoor fl fittings complete with t-5 ballast tube. make: surya or philips or similar

Tenders are invited for Spl Repair Work Of Copper Ballast Tube Light Fitting Into Led Light Fittings In Offrs Md Accn At Golf View Old Swarg Mandir New Swarg Mandir Area And Provn Of Upgradation Of A Veh Washing Point For Cleaning And Maint At Mech Coy Under Ge Mis Mhow

Spl repair work of copper ballast tube light fittin

Tenders are invited for Spl Repair Work Of Copper Ballast Tube Light Fittings Into Led Light Fitting For Jco Md Accn Malcom Line Area And Provn Of Water Cooler With Purification System In Bldg No Cb 3 Under Ge Maint Inf School Mhow

Spl repair work of copper ballast tube light fittings into led light fitting and provn of water cooler with purification system

7.Supply of fluorescent fitting complete with ballast tube etc Complete with Tube (Philips make).