Tender For supply of electric water heater storage type steel body with copper inner tank 2 kw cap 25ltr bee 5 star rated , electric water heater storage type steel body with copper inner tank 2 kw cap 35ltr bee 5 star rated , electric water heater storage type steel body with copper inner tank 2 kw cap 50ltr bee 5 star rated , pvc insulated, pvc unsheathed multi stranded heavy duty copper conductor cable of 4. 0 sqmm size, frlsh grade , single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole mcb suitable for geyser 2. 0 to 3. 0 kw , stop valves 20mm cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed , pvc casing capping of 25mm size , 15 mm bore galvanized tube medium grade with all fittings laid in trenches walls for cable protection with suitable gi lugs , bib taps suitable for 15mm pipe, cast copper alloy fancy type with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule and fixed
Tender For supply of 20mm , pvc elbow 20mm , pvc circular jn box 2 to 4 way , pvc shaddle clip with screw , ceiling rose pvc , pvc square block , tape insulation 10 mtr , mcb db spn 8 way double door 240 volts with bus bar , mcb 6 amps sp , mcb 20 amps sp , mcb spn 40 amps 240 volts , exhaust fan 300mm sweep with louver shutter , pendent holder made of bakelite , lcs with chemical earthing complete set as per brief tech specification , elect earthing set , hot water boiler of capacity 500ltrs as per brief technical specification , puf insulated 55mm thick water tank 1000 ltrs with gi flange for connection with nipple and gasket , water staging platform made of ms angle of size 40x40x6 mm , ppr pipe 20mm dia , ppr pipe 25mm , ppr tee 20mm , ppr tee 25mm , ppr elbow 90 degree 20 mm , ppr elbow 25mm , ppr elbow 90 degree 25mm , ppr male threaded socket 20 to 15 mm dia , ppr female threaded socket 20 to 15 mm dia , ppr female threaded elbow 20 to 15 mm dia , ppr male threaded elbow 20 to 15 mm dia , ppr socket 20mm dia , ppr socket 25mm dia , ppr union 20mm , ppr union 25mm , ppr reducer 25x20mm , ppr reducer tee 25x20mm , bib tap brass chromium plated sutable for 15mm ppr water supply line , ppr balve valve light weight brass 20 mm , pvc clip for ppr pipe 25mm dia , pvc clip for ppr pipe 20mm dia , ppr reducer elbow 25x20mm , ppr male threaded tee 25x20mm , pillor cock brass chomium plated 15mm ppr water supply line , taeflon tape , pvc float value heavy duty 25mm dia suitable for ppr pipe , 25mm pp-r tank connector , pvc pipe 4 inch dia 6 mtr long heavy duty type a having 5 kg pressure oblique sqcm , pvc socket 4 inch dia , pvc elbow 4 inch , pvc tee 4 inch , pvc floor trap 4 inch dia with grating 4 inch outlet , wash hand basin 500x400mm steel with waste pipe and coupling alongwith 02 nos ci bracket with screw pvc connection 450mm long , looking mirror size 450 x 600 x 5 point 5 mm thick with 4 mm ply backing and aluminium l section frame with nacessary hanging clips , stainless steel peg stay contains 4 hooks fancy type , soap dishes stainless steel size 10cmx12cm , towel rail cp 600mm long , plaster trowel with woodwen handle , plumb bob iron , galvanised iron pan mortar tasla 18 gauge 16 inch dia minimum weight 1 kg , double end spanner for 16 mm dia nuts and bolts , showel square nose 14 gauge tata high carbon steel blade size 310 x 245mm shaft size 710mm fitted as per technical specification , fish line , hammer ball pine 1kg , electric tile cutting machine with 5 nos inter changeable blades , measuring tape 3 mtr , gi sheet cutter scissors , transperant pipe 5 mm dia bore for water leveling , multipurpose non slip rubber reusable gloves for scrubbing cleaning brick work etc colour og oblique black , full body safety harness light weight designes with breathable open core padding technology that provides optimal air flow , gum boots for snow fall are , screw driver , portable drill machine with 06 nos 8mm dia bits , industrial safety helmet , prefabricated shelter structure for ffl of size 2 point 4m x 1 point 28m puf panels made of 40mm thick composite all as per drawing and schedule of structure part iv , non skid ceramic tiles of size 300 x 300 x 7mm , angle holder made of backelite lamp holder should be insulated type as per technical specification , surface plastic box suitable for modular switches and socket of 8 module , solid plate with base frame suitbale for surface plastic box of 8 module , pvc copper cable 1 sqmm single core wit multistranded conductor for earth wire in green colour , xlpe cable pvc insulated aluminium conductor served with //bid details2 / 104inner cross sectional area 10 sqmm 2 core as per tech specification , iwc vitreous ceramic china squatting pan size 580x 440 mm incl foot rests complete , pvc vent pipe 75mm dia 8 feet long with pvc cowl alongwith suitable arrangement for fixing , hdpe water tank cylinderical vetical with closed top 1000 ltrs with connector 20mm stop cock and float valve including r
Tender For tender for supply of earth work in excavation by mechanical means , filling by brought out excavated earth , providing and laying in position specified grade of reinforced cement concrete , supplying and filling in plinth with sand floors , providing and laying in position specified grade of reinforced cement concrete , shuttering in foundations , shuttering in superstructure columns , steel reinforcement for rcc , applying priming coats with primer , wall painting with acrylic emulsion paint , structural steel work riveted , brick work with common fly ash bricks , half brick masonry with non modular fly ash bricks , 15 mm cement plaster with mix , providing frosted glass panes 4 mm thick , neat cement punning. , painting with synthetic enamel paint , finishing walls with acrylic smooth exterior paint , providing and laying ceramic glazed floor tiles , providing and laying 60mm thick factory made cement concrete paver block , 6 mm cement plaster of mix , providing and fixing on wall face unplasticised rigid pvc rain water pipes , grading roof for water proofing treatment , making soak pit , providing and fixing gi , do gi pipe 20m dia , do gi pipe 25m dia , do gi pipe 40m dia , providing and fixing white vitreous china pedestal type , providing and fixing white vitreous china wash basin , providing and fixing precoated galvanised steel sheet roofing accessories , supplying and applying two coats of white wash , providing and placing on terrace polyethylene water storage tank , providing and fixing ptmt pillar cock , providing and fixing on wall face un plasticised rigid pvc swr , providing and fixing brass bibcock , providing and fixing mirror of superior glass , providing and fixing cp brass shower rose , providing and fixing cp brass shower valve rose , clearing jungle , 30 mm thick factory made polyvinyl chloride , supplying chemical emulsion , providing and applying white cement based putty , laying of one number pvc , supplying and fixing cable route marker , supplying and making end termination , supplying and fixing of following ways surface , supplying and fixing following rating , supplying and fixing dp sheet steel enclosure , supply of exhaust fan , installation of exhaust fan , supply of ceiling fan , installation testing and commissioning of ceiling fan , supply of ceiling fan regulators , supplying of led lights 20w , supplying of led lights 36w , supply of amps switch piano switch , supply of socket , supply of switch , supply of socket outlet , supplying and fixing 3 pin required. , supplying and fixing suitable size gi box , wiring for circuit submain wiring , wiring for circuit/ submain wiring alongwith earth wire , installation testing commissioning of wall bracket , providing and fixing danger notice plate , supplying and fixing metal box , supplying and fixing metal box , providing & fixing fixing metal box , earthing with copper earth plate , providing and fixing 25 gi , providing and fixing of lightning conductor finial , providing and fixing , providing and fixing gi , providing and fixing gi
Tender For e.i for setting up of work station system in the audit branch of administrative office in p.u campus, sector-14, chandigarh - wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm frls/hffr pvc insulated copper conductor single core cable in surface/ recessed medium class pvc conduit, with piano type switch, phenolic laminated sheet, suitable size m.s. box and earthing the point with 1.5 sq.mm. frls/hffr pvc insulated copper conductor single core cable etc. as required (dsr 1.8), group c (dsr 1.8.3), rewiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm frls/hffr pvc insulated copper conductor single core cable and 1.5 sq.mm frls/hffr pvc insulated copper conductor single core cable as earth wire in existing surface/ recessed steel/pvc conduit including dismantling as required (dsr 1.15), group c (dsr 1.15.3), supplying and drawing following sizes of frls/hffr pvc insulated copper conductor, single core cable in the existing surface/ recessed steel/ pvc conduit as required (dsr 1.17), 3 x 2.5 sq. mm (dsr 1.17.12), 3 x 4 sq. mm (dsr 1.17.21), supplying and drawing following sizes of frls/hffr pvc insulated copper conductor, single core cable in the existing surface/ recessed steel/ pvc conduit as required (dsr 1.21), 25mm (dsr 1.21.2), supplying and fixing metal box of following sizes (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including painting etc. as required (dsr 1.22), 75 mm x 75 mm x 60 mm deep (dsr 1.22.1), supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required (dsr 1.24), 5/6 a switch (dsr 1.24.1), 3 pin 5/6 a socket outlet (dsr 1.24.4), supplying and fixing following modular base & cover plate on existing modular metal boxes etc. as required. (dsr 1.28), 3 module (dsr 1.28.2), 6 module (dsr 1.28.4), 8 module (dsr 1.28.5), supplying and fixing suitable size gi box with modular plate and cover in front on surface or in recess, including providing and fixing 3 pin 5/6 a modular socket outlet and 5/6 a modular switch, connections etc. as required (dsr 1.31), supplying and fixing suitable size gi box with modular plate and cover in front on surface or in recess, including providing and fixing 6 pin 5/6 & 15/16 a modular socket outlet and 15/16 a modular switch, connections etc. as required (dsr 1.32), supplying and fixing following way, horizontal type three pole and neutral, sheet steel, mcb distribution board, 415 v, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required (dsr 2.4), 4 way (4 + 12), double door (dsr 2.4.1), supplying and fixing 5 a to 32 a rating, 240/415 v, 10 ka, c curve, miniature circuit breaker suitable for inductive load of following poles in the existing mcb db complete with connections, testing and commissioning etc. as required.(dsr 2.10), single pole (dsr 2.10.1), supplying and fixing dp sheet steel enclosure on surface/ recess along with 25/32 a 240 v "c" curve dp mcb complete with connections, testing and commissioning etc. as required. (dsr 2.16, providing and fixing 6 swg dia g.i. wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required. (dsr 5.18), supplying, drawing, installation, testing and commissioning of cat6a utp 4 pair, 23 awg solid copper cable in existing conduit/ on surface, u/ftp, lszh, non-plenum, horizontal (solid) cable suitable for high speed data networking application supporting upto 10gbps over a 100 meter channel. the 4 unshielded twisted pairs (utp) cable with color coded insulation for easy indentification should have flame properties i.e. flammability test - iec 60332-1, smoke density - iec 61034, lszh standards compliance: ansi/tia- 568 c.2, iso/iec 11801
Tender For maintenance of e.i in rb at chandigarh. (addition/ alteration of e.i in house no. 83, sector-23, house no. 320 and 3947, sector-22, chandigarh). - dsr item no. 1.15rewiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm frls pvc insulated copper conductor single core cable and 1.5 sq.mm. frls pvc insulated copper conductor single core cable as earth wire in existing surface/ recessed steel /pvc conduit including dismantling as required., group a., group b., dsr item no. 2.18 supplying and fixing 20amps, 240 volts, spn industrial type, socket outlet, with 2 pole and earth, metal enclosed plug top along with 20 amps c curve, sp, mcb, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket out let and complete with connections, testing and commissioning etc. as required., dsr item no. 1.16rewiring for twin control light point with 1.5 sq.mm frls pvc insulated copper conductor single core cable and 1.5 sq.mm. frls pvc insulated copper conductor single core cable as earth wire in existing surface/ recessed steel conduit including dismantling as required., dsr item no. 1.17supplying and drawing following sizes of frls pvc insulated copper conductor, single core cable in the existing surface/ recessed steel/ pvc conduit as required., 3 x 1.5 sq. mm, 3 x 2.5 sq. mm, 3 x 4 sq. mm, dsr item no.1.21supplying and fixing of following sizes of medium class pvc conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required., 25mm, dsr item no.1.23supplying and fixing following piano type switch/ socket on the existing switch box/ cover including connections etc. as required., 5/6 amps switch, 2 way 5/6 a switch, 3 pin 5/6 a. socket outlet, dsr item no. 1.29 supplying and fixing metal box of 150mm x 75mm x 60mm deep (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including providing and fixing 3 pin 5/6 amps socket outlet and 5/6 amps piano type switch, connection, painting etc. as required., dsr item no. 1.30 supplying and fixing metal box of 180mm x 100mm x 60mm deep (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including providing and fixing 6 pin 5/6 & 15/16 amps socket outlet and 15/16 amps piano type switch, connection, painting etc. as required., dsr item no. 1.33supplying and fixing 3 pin, 5 amp ceiling rose on the existing junction box/ wooden block including connection etc as required., dsr item no.1.38 supplying and fixing call bell/ buzzer suitable for single phase, 230 volts, complete as required., dsr item no.2.3 supplying and fixing following way, single pole and neutral, sheet steel, mcb distribution board, 240 v, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (but without mcb/rccb/ isolator), 12 way, double door, dsr item no. 2.4 supplying and fixing following way, horizontal type three pole and neutral, sheet steel, mcb distribution board, 415 volts, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required (but without mcb/ rccb/ isolator)., 4 way (4 + 12) double door, dsr item no. 2.10 supplying and fixing 5 a to 32 a rating, 240/415 v, 10 ka, "c" curve, miniature circuit breaker suitable for inductive load of following poles in the existing mcb db complete with connections, testing and commissioning etc. as required., single pole, double pole, triple pole and neutral, supply and erection of electronic step type socket type fan regulator in existing b.l. sheet including making connection and petty material reqd. to complete the job. the fan regulator should be of anchor panta / havells reo/ gold medal essenza make only., supply and erection of b.l. holde
Tender For supply of testing and maintenance equipment under 220kv oandm division, ptcul, jafarpur - hydraulic compressor of 100 ton capacity, portable, hand operated complete with accessories/tools, compressor die sets suitable for jointing acsrpantherconductor (aluminium portion), compressor die sets suitable for jointing acsrpantherconductor (steel portion), compressor die sets suitable for jointing acsr zebra conductor (aluminiunm portion), single sheave pulley open type of 5 ton capacity, double sheave pulley 5 ton capacity, hydraulic conductor cutter, bolted type come along clamp, 7 bolts, for for acsr zebra conductor, bolted type come along clamp, 7 bolts, for acsrpantherconductor, come along clamp 3 bolted type suitable for 7/10 swg earth wire, four sheave sagging pulley 10 ton capacity, sling 18 mm 10 mtr, sling 18 mm 5 mtr, d-shackle 4.75 ton, chain shackle 10 ton chain pulley block 3 mtr, chain shackle 2 ton chain pulley block 3 mtr, 12 mm steel rope drum of 400 mtr long, binocular camera, 220kv s/s, jafarpur, 132kv s/s, rudrapur, d-spanner set (insulated), ring spanner set (insulated) & torque wrench set. each set shall be a complete set including all standard sizes, 220kv s/s, jafarpur, 132kv s/s, rudrapur, oil sampling bottle, stainless steel 02 ltrs. capacity, 220kv s/s, jafarpur, 132kv s/s, rudrapur, 12 mm : polyamide white nylon rope, 220kv s/s, jafarpur, 132kv s/s, rudrapur, 14 mm : polyamide white nylon rope, 220kv s/s, jafarpur, 132kv s/s, rudrapur, 20 mm : polyamide white nylon rope, 220kv s/s, jafarpur, 132kv s/s, rudrapur, live line detector 220kv, earth resistance tester, earth discharge rod, torque wrench socket set - heavy duty 6.35 mm (1/4 inch) 109 pcs
Tender For corrigendum : supply of digital dynamometer (10 t capacity) , portable emergency light for illumination during emergency/restoration activities , moving earth connection for attending conductor works
Tender For supply of pipe 25mm 3 layer , ppr tee 20 mm dia , ppr tee 25 mm dia , ppr elbow 90 degree 20 mm , ppr elbow 45 degree 20 mm , ppr elbow 90 degree 25 mm , ppr elbow 45 degree 25mm , ppr socket 20mm dia , pvc socket 110 mm , pvc elbow 110 mm dia , pvc tee 110 mm , ppr union 20 mm , pvc float valve heavy duty 25mm dia suitable for ppr pipe , ppr male threated socket 20 to 25mm dia , ppr female threated socket 20 to 25mm dia , ppr male threated elbow 20 to 25mm dia , ppr reducer socket 25 x 20mm , m seal , pvc elbow 2 inch , pvc socket 2 inch , pvc pipe 2 inch dia 6 mtr long , pvc floor trap 4 inch dia with grating 2 inch outlet , pvc socket 4 inch , pvc elbow 4 inch dia , pvc pipe 4 inch dia 6 mtr long , pvc grating 4 inch dia , pvc clip for ppr pipe 25mm dia , ppr tank connector 25 mm , vitreous wash hand basin white 550 mm x 400 mm flat back including providing ci brackets cp pillar tap cp angle cock 15mm external thread pvc waste pipe 32mm dia , ewc vitreous wash down water closet pan pedestal pattern white pan p or s trap and to flusing pipe antisyphonage pipe etc complete with flush pipes , pvc flushing cistern 10 ltrs capacity with pvc connection 600mm long and waste pipe , pre fabricated septic tank of 1000 ltrs capacity septic tank shall be anchored with hold , pre fabricated sokage pit 500 ltr capacity soakge pit shall be anchored with hold fast , pvc p trap 110 x 75mm , pvc elbow 3 inch , pvc socket 3 inch , pvc pipe 3 inch dia 6 mtr long , pvc tee 3 inch , jointing resin solution of 1 kg or capsules of silicone gel with gel gun for leak proof , towel rail cp 600mm long complete with fitting oblique fixture , soap dish stainless steel chromium plated complete with fittings oblique fixture etc , electric storage water heater geyser 15 ltr capacity 1 ppoint 5kw vertical type including fixing arrangement on puf wall , flexible connection pipe 450 mm long for hot and cold water , ppr female threated elbow 20 to 15mm dia , ppr male threated socket 20 to 15mm dia , ppr female threated socket 15 to 20mm dia , invertor 2kva capacity with 02 battery 24v each battery 12v capacity complete with all accessories including connected electrical items and tools , provn of central heating system complete including structure for boiler room and elect fitting and fixtures all as specified in brief specification , electrician tool kit , plumbing tool kit , measuring fibre glass tape 5 mtr long , industrial safety helmet , showel square nose 14 gauge blade size 310 x 245 mm, shaft size 710 mm fitted with strong steel crutched wooden handles , puf rivet machine , rammer earth with handle minimum weight 5 kg without handle , electric tile cutting machine with interchangable blades 05 nos , electrical sheet cutter machine with blade , manufacture and supply of storage shelter 30 mt barrel type of size 8 point 84m x 8 m x 5 point 13 m height at ridge all as specified in brief technical specifications , pvc sheathead copper cable 2 point 50 sqmm single core with multistrand 1100 volts , pvc conduit pipe 20 mm 10 feet long , pvc elbow 20 mm , pvc tee 20 mm , pvc space bar saddle 20 mm , pvc circular surface boxes with lid angle 02 way 20 mm , pvc circular surface boxes with lid angle 04 way 20 mm , highbay 150 watts energy saving environment 150 watt robust highbay led luminare with high efficacy suitable for ceiling surface oblique suspended , xlpe cable pvc insulated aluminium conductor served with inner sheathing of pvc tape cross sectional area 16 sqmm 3 core , surface plastic box suitable for moduler switches and socket of 8 module , solid plate with base frame suitable for surface plastic box of 8 module , isolator //bid details3 / 11340 amps spn 240 volts , ceiling rose pvc , angle steel footing size oblique length1000mm , bottom track size oblique length 2257 mm , bottom track size oblique length 2200 mm , gable bottom track size oblique length 3125mm , 0 point 8mm arch panel size oblique length 2260 mm , 0 point 8mm arch panel size obliq
Tender For - arc of electrical material. - electrical work :, providing & fixing of ik08, ip 66 protected led street light luminaire on existing bracket/pole. fixture made of powder coated single piece pressure die cast aluminum material with heat dissipation fins on housing with uv stabilized pc (uv stablization report submitted for uv cover ) /toughened glass cover and secondary lens on each led & should be smd type of 3 to 5 watt each . the system efficacy >=125 lm/ wt and potted driver & has a unique bis r number with input voltage ac 120 to 270 v ac with high voltage cutoff @>=300 v ac and auto resetting safety , power factor >0.95 driver efficiency >85% ,thd(i) 10% humidity 10% to 90% rh working temp -5c to 45c . driver current 750ma. the luminaire shall be bis certified and trade mark certified. life expectancy equal or more than 50000 burning hrs with minimum 70% lumen maintened , cri >70 and cct 5700k +355k. surge protection shall be min 4 kv internal and min 10 kv external inside driver compartment. driver should be phase to phase protection of 440 v for 4 hrs. manufactures word mark/name engraved/embossing on die cast housing to allow traceability/authenticity. fixture shall be as per is 10322 complianced.oem must have its own in house nabl lab setup for all testing facilities for led fixtures. (lm79/lm80) certificate/ report with liable warranty of product/accessories from oem shall be submitted. all as per pre approved by engineer in-charge. for additional technical parameters of products/ work , refer annexure "a" attached with this bsr . led street light fixture with minimum lumen output 5600 lm, supplying and drawing of xlpe insulated lt aerial bunched aluminium conductor cable confirming to is 14255/1995 and is 398 (pt-4)/ 1994 and as per discom specs. on existing cross arms through i hook with all necessary t&p required including binding and twisting etc. complete in all respect as required. all as per pre approved by engineer in-charge. for additional technical parameters of products/ work , refer annexure "a" attached with this bsr . 1 x 25 sq. mm. + 1x25 sq. mm. (insulated), supply and fixing of 11 kv pin insulator confirming to is:731:1971 with latest ammendment on existing bracket including all accessories like ms forged hot dipped gi pin confirming to is 2486(part-i)/1993 & is:2486 (part-ii)/1989 with latest amendment, and as per latest discom specs. etc. as required. all as per pre approved by engineer in-charge.for additional technical parameters of product / work refer annexure a attached with this bsr, sitc of ip-42 and general construction confirming to is:8623 : 1993, wall/ free standing floor mounted dust and vermin proof compartmentalised cubical panel as specifications and other parameters required as per point (a) ,(b), (c),(d), (e), (f), (g), (h) as below:-(a)thickness of crca sheet shall be 2.0 mm, cable alley compartments having concealed hinged type doors with key type lock with / without detachable extension type structure. removable 3 mm. thick sheet steel gland plates with appropriate size of knockouts for cables shall be provided(b)complete panel shall undergo a process of degreasing, water rinsing, activation, derusting, pickling in acid bath, phosphatising & shall be subjected to nine tank process and then powder coated with approved shade of minimum 70 microns on both side of panel. the panel having pe foam/ neoprene rubber gasket of not less than 3mm thickness ,required hardware , concealed hinged door with key type locking arrangement for equipment/switchgear earthed with 2.5 sq.mm braided copper wire.[c) interconnection between bus bar and switchgears /cable shall be rigidly supported and made out by flexible copper wires (up to 63 amp ) and by solid bus bar (>63 amp ) . control wiring will be carried out with 1.5 sq.mm, earth wire with 2.5 sq.mm and ct with 2.5 sq.mm flexible copper wire only. all joints / interconnections of copper bus bar shall be dully tinned . c