Cooner wire - Blending high-strand-count tinned copper wire rope with extra flexible PVC and silicone insulations, Cooner Wire’s original series of Flexible Power Cable provides exceptional flexibility making power distribution easy. Flexible Power Cable ranges in size from small diameter 24 awg wire to extra large 4/0 awg wire with 8,515 fine strands of ...

 
Cooner Wire’s series of mini coax cables provide a flexible wire alternative to standard RG type coaxial cables. These miniature coaxial cable constructions utilize super flexible wire and are available off the shelf in sizes ranging from 42 AWG mini coax to 26 AWG mini coax. Highly flexible braided and spiral shields combined with thin wall .... Consumers power outage map michigan

Cooner Wire Company 9265 Owensmouth Ave Chatsworth, California 91311 Ph: 818.882.8311 • Fax: 818.709.8281Cooner Wire Company 9265 Owensmouth Ave Chatsworth, California 91311 Ph: 818.882.8311 • Fax: 818.709.8281 Solid 316 Stainless Steel. Quad FEP. AS 766 Series. Solid 99.99% Pure Soft Silver. Quad FEP. AS 767 Series. Solid Pure Copper (Annealed) Quad FEP. AS 768 Series. 欢迎来到淘宝Rush Metal,选购AS 632/AS 633/Cooner Wire/生物电极/绝缘不锈钢丝/肌电线,好评率100%,4用户购后写下真实评论。颜色分类:1m AS632 可开票,1m AS633 可 ...If you've got a mono amplifier, you've got a great opportunity to really bring on the bass. Mono amplifiers are especially well-suited to wiring to two subwoofers. To wire two subw...A common wire is either a connecting wire or a type of neutral wiring, depending on the electrical circuit. When it works as a connecting wire, the wire connects at least two wires...50 OHM COAX HIGH STRENGTH ALLOY SPECIFY COLOR WHEN ORDERING. CW6636. 42. 7/50 SILVER PLATED ALLOY. 0.006. PFA PLATED ALLOY. 46 SPC.Cooner Wire’s general-purpose power leads and flexible interconnect wires can be manufactured using a range of wire gauge sizes, strand constructions, conductor materials, wall thicknesses, shields and jackets. We are a world leader in the manufacture of custom ultra-flexible interconnects of fering conductor sizes from micro miniature up to ...Blending high-strand-count tinned copper wire rope with extra flexible PVC and silicone insulations, Cooner Wire’s original series of Flexible Power Cable provides exceptional flexibility making power distribution easy. Flexible Power Cable ranges in size from small diameter 24 awg wire to extra large 4/0 awg wire with 8,515 fine strands of ...Cooner Wire’s general-purpose power leads and flexible interconnect wires can be manufactured using a range of wire gauge sizes, strand constructions, conductor materials, wall thicknesses, shields and jackets. We are a world leader in the manufacture of custom ultra-flexible interconnects of fering conductor sizes from micro miniature up to ...Cooner Wire. For over 50 years, Cooner Wire have specialized in insulated flexible wire and cable. They continue to provide flexible cable solutions that meet the requirements and exceed the expectations of industry leaders in the medical electronics, computer, aerospace, telecommunication, robotics, and semiconductor industries.. Cooner Wire’s strength lies …Cooner Wire offers eight types of litz wire in round and rectangular constructions, with different film and fiber insulations. Litz wire is stranded film insulated conductors or stranded magnet wire that reduce losses and improve performance in high frequency applications such as transformers, inverters, electro magnets, and coils. Cooner Wire’s flexible wire rope achieves maximum flexibility and a long flex life by using the highest amount of stranded wire equal to the circular mil area of any AWG size. We stock flexible wire rope in tinned copper, bare copper and silver-plated copper. Also known as grounding pigtail or ground wire it is available in stainless steel ... Round Litz Cable - Type 6. Description Round, multiple stranded magnet wire. Miniature, flexible strands are film insulated and stranded together into groups which are cabled in a geometric pattern around a central cotton core. These component groups are separately insulated with a fiber serve, and a second fiber serve is applied overall.Cooner Wire’s series of mini coax cables provide a flexible wire alternative to standard RG type coaxial cables. These miniature coaxial cable constructions utilize super flexible wire and are available off the shelf in sizes ranging from 42 AWG mini coax to 26 AWG mini coax. Highly flexible braided and spiral shields combined with thin wall ... Cooner Wire Company, Chatsworth. 95 likes · 1 talking about this · 5 were here. Specializing in insulated flexible wire and cable, Cooner Wire maintains the world’s largest inventory of flexible wire... CW3563 UL1662 300v 80c. Silicone Flexible Power Cable. AS105 (Non UL) 600v 150c. CW6044 (UL Rated) PVC Ground Strap. AS356 UL 1680. Medical Cables. Hookup Wire. Stainless Steel Wire.Cooner Wire Company Contact Information 9265 Owensmouth Ave. Chatsworth, CA 91311 USA Phone: (818) 882-8311. Fax: (818) 709-8281 Business Type: Manufacturer, Service. Supplier Profile. Supplier Website Email Supplier Cooner Wire Company Datasheets for Electrical Power Wires.Construction A. Tinned Copper Strand: 36 AWG B. Strand Construction: See Below C. Insulated with PVC, 105 C, 600 volts 1. Wall thickness: see belowSilicone Wire. Print Stranded Silver-Plated Copper Conductor. Description: 10 mil (.010") wall of extruded silicone rubber insulation, providing maximum flexibility in high temperatures. Temperature: -75 C to 200 C. Voltage Rating: 600 volts. ... Cooner Wire Company 9265 Owensmouth Ave Chatsworth, California 91311 Ph: 818.882.8311 • Fax: … Extra Flexible Multi Conductor. Miniature Hook-up Wire and Cable. Temperature: -55 C to 105 C. Voltage Rating: 600 volts. U=Cabled conductors only. S=Cabled conductors with tinned-copper braided shield. J=Cabled conductors, overall jacket only. SJ=Cabled conductors with tinned-copper braided shield and Gray PVC jacket. Part Number . Cooner Wire Company 9265 Owensmouth Ave Chatsworth, California 91311 Ph: 818.882.8311 • Fax: 818.709.8281May 4, 2022 ... This table shows that 1 awg wire with insulation rated for 150C is good for 293 amps. AMP Chart – Cooner Wire. Amp Chart Lead Wire Current ...If you've got a mono amplifier, you've got a great opportunity to really bring on the bass. Mono amplifiers are especially well-suited to wiring to two subwoofers. To wire two subw...Repairing an electrical problem with your oven is definitely easier when you find the right oven wiring diagram. Check out this guide to oven wiring problems, and to finding those ... Construction A. Tinned Copper Strand B. Strand Construction: See Below C. Insulated with Silicone Rubber, 150 C, 600 volts 1. Wall thickness: see below Blending high-strand-count tinned copper wire rope with extra flexible PVC and silicone insulations, Cooner Wire’s original series of Flexible Power Cable provides exceptional flexibility making power distribution easy. Flexible Power Cable ranges in size from small diameter 24 awg wire to extra large 4/0 awg wire with 8,515 fine strands of ...50 OHM COAX HIGH STRENGTH ALLOY SPECIFY COLOR WHEN ORDERING. CW6636. 42. 7/50 SILVER PLATED ALLOY. 0.006. PFA PLATED ALLOY. 46 SPC.The 3m, 50 Ohm Coaxial cable (Cooner Wire CW8251) is connected between Miniscope V4 (& older versions) and the Miniscope DAQ PCB for power, communication, and data …Extra flexible multiconductor cable is available “off the shelf” from Cooner Wire in a variety of materials, colors and constructions. Our specialty wire and cable inventory offers a vast array of flexible wire, shielded cable, miniature cable, medical cable, silicone cable, pvc cable, high temperature cable, flexible control cable and instrumentation wire, as well as …May 25, 2013 ... Here, I'm using Cooner CZ 1187 wire, FEP Insulation 38AWG with 0.012″ diameter and 0.720Ω/foot. This is the standard wire for analog tethers ...Part Number : AWG Size: Circular Mil Area: No. Of Wires: Wire AWG Size: Construction: Nominal Diameter: Pounds Per MFT: NER 1974034: 4/0: 211151: 5320: …Cooner Wire Company 9265 Owensmouth Ave Chatsworth, California 91311 Ph: 818.882.8311 • Fax: 818.709.8281. There are several ways to get in contact with Cooner Wire. You can use our direct mailing address above, our contact form below or one of the following email addresses: [email protected] [email protected] [email protected] Equipment solutions for life science research since 1986. Protech International, Inc. has always perused excellence in providing sales support & service to the life …Cooner Wire Braided and Stranded Copper Cables In addition to custom designed cable, Cooner Wire also maintains a large warehouse stock from which to service our customers. Continued expansion has also made Cooner Wire an excellent source for standard and non-standard cable assemblies, harnesses, and molded cable assemblies.Insulation & Jacket Materials Material Nom. Specific Gravity Voltage Breakdown (volts/mil) Abrasion Resistance Nom. Dielec Constant Flame Retardant Properties Flexibility Weather-ablity Nom. Temp Range C Alcohogly-col Gasoline Tichloro-ethylene PVC 1.37 500 Good 5-8 Excellent Good Excellent -55°- 105° Poor Poor Custom Cables. Custom Cables available off the shelf; Hookup Wire. Hookup Wire. PVC Hookup Wire; NEF-600v, 105C; NUF-200V, 105C A home or vehicle is a maze of wiring and connections, making repairs and improvements a complex endeavor for some. Learning to read and use wiring diagrams makes any of these repa...Description: Tinned copper strands braided into a flat construction and insulated with PVC. These constructions may be fabricated of bare copper, although tinned copper is generally preferred because of its resistance to corrosive elements and ease of flexibility. Other insulating materials are available on request. Temperature rating: +105 C. Cooner Wire can offer solutions that are RoHS compliant on a wide range of custom wire designs and our large inventory of flexible wire and cable. If you need a RoHS Statement on a particular Cooner Wire part number, please email us, or call us at 818-882-8311. We will certify that to the best of our knowledge Cooner Wire Company and its ... Wire Series : Cable Series. AWG Size: Conductor Circ. Mils: Strand Constr. Nom. Wall Thickness FEP: Nominal Overall Diameter: OHMS Per Foot: CZ 1103 (CZ 1103-1) Wire & cable. Specialty Wire & Cable Design Since 1957. Cooner Wire Company is located in Chatsworth, CA and is a supplier of Cable And Wire Harnesses, Cable Assemblies, Wire, Wire And Cable, Wire Harness & Cable Assemblies.Bare Cooper to 50 AWG Stainless Steel to 50 AWG (Type 302, 304, & 316L) Silver Plated Copper to 50 AWG Tinned Copper to 46 AWG Nickel Plated Copper To 46 AWGContinued expansion has made Cooner Wire an excellent source for standard and non-standard cable assemblies, harnesses, and molded cable assemblies. Read ...Recommended Bunched Strands for Maximum Flexibility. Equivalent AWG. Circular Mil Area. Number of Wires. AWG Size. Nominal OD. Approximate Feet/LB. Approximate LBS/1000FT. 42.FEP Multiconductor CableStainless Steel Conductors and Shields. Cable Series . No. Of Cond. AWG Size. Strand Constr. Nominal Wall Thickness. Nom Diam. Nominal Diameter Over Shield.Extra flexible multiconductor cable is available “off the shelf” from Cooner Wire in a variety of materials, colors and constructions. Our specialty wire and cable inventory offers a vast array of flexible wire, shielded cable, miniature cable, medical cable, silicone cable, pvc cable, high temperature cable, flexible control cable and instrumentation wire, as well as …Perfect for custom cable assemblies, wire harness or for common lead wire applications, Cooner Wire’s original series’ of Ultra Flexible Hookup Wire excels in applications where superior quality, high flexibility, long flex-life and miniaturization are required. Request a Quote Email Supplier Datasheet Suppliers.Cooner Wire Company. Description. Extra flexible Insulated Wire is constructed from finely stranded copper wire, stainless steel wire, resistance wire and other alloy wires. They …Construction A. Tinned Copper Strand: 36 AWG B. Strand Construction: See Below C. Insulated with PVC, 105 C, 600 volts 1. Wall thickness: see belowSilicone Hookup Wire. Print Stranded Bare-Copper Conductor. Description: ... Cooner Wire Company 9265 Owensmouth Ave Chatsworth, California 91311 Ph: 818.882.8311 • Fax: 818.709.8281. Custom Cables. Custom Cables. Custom Cables …If you're interested in paying someone from the comfort of your computer without having to leave home, it's worth exploring how to wire money online. We may receive compens...Can't afford picture wire? Make your own at a fraction of the cost! Expert Advice On Improving Your Home Videos Latest View All Guides Latest View All Radio Show Latest View All Po...Bare Copper Conductors and Silver Plated Copper Shield, Silicone Rubber Insulation and Jackets. Temperature: -75 C to 150 C. Voltage Rating: 600 volts. Part Number . Number Of Cond. AWG Size. Strand Constr. Nominal Wall Thick. Nominal Diam. Silver Plated Copper Conductors and Shield, Silicone Rubber Insulation and Jackets. Temperature: -75 C to 200 C. Voltage Rating: 600 volts. Nominal Wall Thick. Cables are jacketed in white. For additional jacket colors contact a sales represntative. If you're interested in paying someone from the comfort of your computer without having to leave home, it's worth exploring how to wire money online. We may receive compens...Cooner Wire Company Contact Information 9265 Owensmouth Ave. Chatsworth, CA 91311 USA Phone: (818) 882-8311. Fax: (818) 709-8281 Business Type: Manufacturer, Service. Supplier Profile. Supplier Website Email Supplier Cooner Wire Company Datasheets for Electrical Power Wires.Cooner Wire offers eight types of litz wire in round and rectangular constructions, with different film and fiber insulations. Litz wire is stranded film insulated conductors or stranded magnet wire that reduce losses and improve performance in high frequency applications such as transformers, inverters, electro magnets, and coils.Construction A. Silver Plated Copper Single end to QQ-W-343 B. Strand Construction: See Below C. Insulated with Silicone Rubber, 200 C, 600V 1. Wall thickness: see belowBare Copper Conductors and Silver Plated Copper Shield, Silicone Rubber Insulation and Jackets. Temperature: -75 C to 150 C. Voltage Rating: 600 volts. Part Number . Number Of Cond. AWG Size. Strand Constr. Nominal Wall Thick. Nominal Diam.Cooner Wire offers flexible wire and custom cables with high flexibility, strength and durability. Choose from a wide range of products, such as silicone cable, shielded cable, mini coax and molded cable assemblies, for surgical, imaging, test, semiconductor, defense, aerospace and aircraft industries.Cooner Wire is a leading provider of high-quality wire and cable products with over 60 years of experience in the industry. The company has established a reputation for excellence in providing customized solutions …Cooner Wire’s braided copper strap provides high performance, high flexibility and is available in stock. Other braided wire constructions can also be fabricated utilizing specialty materials such as nickel-plated copper, gold-plated copper, pure silver, pure nickel, gold alloys, monel, bronze and more.Stranded Hookup Wire AS999-24. Extra flexible Insulated Wire is constructed from finely stranded copper wire, stainless steel wire, resistance wire and other alloy wires. They are available in fine wire and ultra fine wire constructions with a variety of extruded thin wall insulations such as PVC, Polyurethane, Nylon, Hytrel, Silicone Rubber ... Cooner Wire Company, Chatsworth. 95 likes · 1 talking about this · 5 were here. Specializing in insulated flexible wire and cable, Cooner Wire maintains the world’s largest inventory of flexible wire... Wire Series : Cable Series. AWG Size: Conductor Circ. Mils: Strand Constr. Nom. Wall Thickness FEP: Nominal Overall Diameter: OHMS Per Foot: CZ 1103 (CZ 1103-1)Trying to find the right automotive wiring diagram for your system can be quite a daunting task if you don’t know where to look. Luckily, there are some places that may have just w...Silver Plated Copper Conductors and Shield, Silicone Rubber Insulation and Jackets. Temperature: -75 C to 200 C. Voltage Rating: 600 volts. Nominal Wall Thick. Cables are jacketed in white. For additional jacket colors contact a sales represntative.Construction A. Tinned Copper Strand: 36 AWG B. Strand Construction: See Below C. Insulated with PVC, 105 C, 300 volts 1. Wall thickness: see belowCooner Wire’s series of mini coax cables provide a flexible wire alternative to standard RG type coaxial cables. These miniature coaxial cable constructions utilize super flexible wire and are available off the shelf in sizes ranging from 42 AWG mini coax to 26 AWG mini coax. Highly flexible braided and spiral shields combined with thin wall ...Construction A. Tinned Copper Strand: 36 AWG B. Strand Construction: See Below C. Insulated with Silicone Rubber, 150 C, 600 volts 1. Wall thickness: see belowExtra Flexible PVC Lead Wire. Description: Extra flexible bare-copper conductor insulated with a 10 mil (.010") wall of extruded PVC, providing extra flexibility in a 600 volt minature hook-up wire. Temperature Rating: -55 to 105 C. Voltage Rating: 600 Volts. No. Of Strands. AWG and Dia. Of Strands. *Tinned-copper version available upon request.Cooner Wire Company 9265 Owensmouth Ave Chatsworth, California 91311 Ph: 818.882.8311 • Fax: 818.709.8281. Print Stranded Bare-Copper Conductor. Description: 10 mil (.010") wall of extruded silicone rubber insulation, providing maximum flexibility in higher temperatures. Temperature: -75 C to 150 C. Voltage Rating: 600 volts.Cooner Wire’s flexible wire rope achieves maximum flexibility and a long flex life by using the highest amount of stranded wire equal to the circular mil area of any AWG size. We stock flexible wire rope in tinned copper, bare copper and silver-plated copper. Also known as grounding pigtail or ground wire it is available in stainless steel ...COONER WIRE SPECIALTY. Get the latest news, special offers and events from Anixter. Anixter is your source for COONER WIRE SPECIALTY products.Cooner Wire Company, Chatsworth. 95 likes · 1 talking about this · 5 were here. Specializing in insulated flexible wire and cable, Cooner Wire maintains the world’s largest inventory of flexible wire...Cooner Wire’s general-purpose power leads and flexible interconnect wires can be manufactured using a range of wire gauge sizes, strand constructions, conductor materials, wall thicknesses, shields and jackets. We are a world leader in the manufacture of custom ultra-flexible interconnects of fering conductor sizes from micro miniature up to ...Wire Series : Cable Series. AWG Size: Conductor Circ. Mils: Strand Constr. Nom. Wall Thickness FEP: Nominal Overall Diameter: OHMS Per Foot: CZ 1103 (CZ 1103-1)About. At Cooner Wire, we design and stock high-flex wire and cable for applications where standard wire just won't do. We can help you with a micro coax to flexible power cables, from ...Recommended Bunched Strands for Maximum Flexibility. Equivalent AWG. Circular Mil Area. Number of Wires. AWG Size. Nominal OD. Approximate Feet/LB. Approximate LBS/1000FT. 42.Silver Plated Copper Conductors and Shield, Silicone Rubber Insulation and Jackets. Temperature: -75 C to 200 C. Voltage Rating: 600 volts. Nominal Wall Thick. Cables are jacketed in white. For additional jacket colors contact a sales represntative.Reader Paul says he's got a little trick that helps keep his headphone cables from getting tangled into knots: Reader Paul says he's got a little trick that helps keep his headphon...When it comes to electrical wiring, understanding the size of wire gauge is essential. The size of the wire gauge determines the amount of current that can safely flow through it, ... Round Litz Cable - Type 2. Description Round, multiple stranded magnet wire. Miniature, flexible strands are film insulated and stranded together into groups which are cabled in a geometric pattern, permitting each wire to occupy every possible position in the entire length of the cable at some point. The optional overall insulation may be a ... May 30, 2004 ... Cooner Wire sells Teflon enameled wire (quad build) in a variety of gauges and metals. I priced their 30 gauge copper with Teflon (because ...NMEF4/28-6546S - COONER WIRE - CABLE 4 COND 28AWG BARE COPPER PVC 600V. BPD offers Manufactured Cables and Harness, Circuit protection, Electronic Labeling systems (printers and software), Expandable Sleeving, Power supplies, Power cords, Shrink tube, Cable Ties, Wire and cable . . .Perfect for custom cable assemblies, wire harness or for common lead wire applications, Cooner Wire’s original series’ of Ultra Flexible Hookup Wire excels in applications where superior quality, high flexibility, long flex-life and miniaturization are required. Request a Quote Email Supplier Datasheet Suppliers.

A tangle of wires under a glass desk is an eyesore times two. Since you can't escape it when you're sitting at the desk by pretending its not there, you've got to do something abou.... Comenity bank petco

cooner wire

AS155-24-4J. Extra flexible multiconductor cable is available “off the shelf” from Cooner Wire in a variety of materials, colors and constructions. Our specialty wire and cable inventory offers a vast array of flexible wire, shielded cable, miniature cable, medical cable, silicone cable, pvc cable, high temperature cable, flexible control ...Extra flexible multiconductor cable is available “off the shelf” from Cooner Wire in a variety of materials, colors and constructions. Our specialty wire and cable inventory offers a vast array of flexible wire, shielded cable, miniature cable, medical cable, silicone cable, pvc cable,high temperature cable, flexible control cable and instrumentation wire, as well as …Medical Cables. For over half a century, leaders in medical technology continue to choose Cooner Wire as a vital link. Medical cables are constructed using stranded copper and high strength copper alloy conductors as well as precision shielding and jacketing technology, and work together to provide highly flexible, durable and reliable Medical ...Cooner Wire Company 9265 Owensmouth Ave Chatsworth, California 91311 Ph: 818.882.8311 • Fax: 818.709.8281. Contact Information. Your Name (required) Phone Number (XXX-XXX-XXXX): Your Email (required) Cable Design & Information. Application Description: Wire & Cable Description: Current Source: Target Price: Stranded Hookup Wire AS999-24. Extra flexible Insulated Wire is constructed from finely stranded copper wire, stainless steel wire, resistance wire and other alloy wires. They are available in fine wire and ultra fine wire constructions with a variety of extruded thin wall insulations such as PVC, Polyurethane, Nylon, Hytrel, Silicone Rubber ... At Cooner Wire, we design and stock high-flex wire and cable for applications where standard wire just won't do. Need value-added work? We have an Assembly Division as well. We work with our ...Cooner Wire’s braided copper strap provides high performance, high flexibility and is available in stock. Other braided wire constructions can also be fabricated utilizing specialty materials such as nickel-plated copper, gold-plated copper, pure silver, pure nickel, gold alloys, monel, bronze and more.A tangle of wires under a glass desk is an eyesore times two. Since you can't escape it when you're sitting at the desk by pretending its not there, you've got to do something abou...- Pat Weir , President and Chief Executive Officer of Cooner Wire Company Latest News New Bill Signed Following Riverside County Investigation. Nov 12, 2022. larsonllp.com . Scoops about Cooner Wire . Mar 18 2024. Cooner Wire has extended its requirement read more company news. Read All.Construction A. Tinned Copper Strand: 36 AWG B. Strand Construction: See Below C. Insulated with PVC, 80 C, 300 volts 1. Wall thickness: see belowHow to Wire, Install or Replace a Garbage Disposal - Wiring, installation and replacement of a garbage disposal can be tricky if you don't know what you're doing. Learn how it's do... Solid 316 Stainless Steel. Quad FEP. AS 766 Series. Solid 99.99% Pure Soft Silver. Quad FEP. AS 767 Series. Solid Pure Copper (Annealed) Quad FEP. AS 768 Series. Round Litz Cable - Type 2. Description Round, multiple stranded magnet wire. Miniature, flexible strands are film insulated and stranded together into groups which are cabled in a geometric pattern, permitting each wire to occupy every possible position in the entire length of the cable at some point. The optional overall insulation may be a ...Cooner Wire can offer solutions that are RoHS compliant on a wide range of custom wire designs and our large inventory of flexible wire and cable. If you need a RoHS Statement on a particular Cooner Wire part number, please email us, or call us at 818-882-8311. We will certify that to the best of our knowledge Cooner Wire Company and its ...Perfect for custom cable assemblies, wire harness or for common lead wire applications, Cooner Wire’s original series’ of Ultra Flexible Hookup Wire excels in applications where superior quality, high flexibility, long flex-life and miniaturization are required. Request a Quote Email Supplier Datasheet Suppliers.May 30, 2004 ... Cooner Wire sells Teflon enameled wire (quad build) in a variety of gauges and metals. I priced their 30 gauge copper with Teflon (because ...Specializing in insulated flexible wire and cable, Cooner Wire maintains the world’s largest inventory of flexible wire and custom cables. Utilizing both standard and unique wire …Sep 23, 2014 ... coonerwire.com · AMP Chart – Cooner Wire. Amp Chart Lead Wire Current Carrying Capacity (Ampacity) AWG SIZE Insulated Conductor Temperature ....

Popular Topics