Which cable should I use for a power distributor?

For professional power distributors in event technology, use H07RN-F rubber cable with appropriate cross-section for the load. For 16A CEE distributors, 5×1.5 mm² (five-core: three phases, neutral, earth) is the minimum, though 5×2.5 mm² offers better safety margins and lower voltage drop. For 32A distributors, use 5×4.0 mm² or larger. Rubber-sheathed H07RN-F cable is oil-resistant, flexible and suitable for outdoor use, making it ideal for mobile event applications. Brands like Titanex offer enhanced durability for demanding touring environments.

What is the difference between 16A and 32A CEE connectors?

CEE 16A and 32A connectors differ in size, current capacity and typical applications. A 16A CEE connector (red, 400 V three-phase) handles up to 11 kW continuous load, suitable for most stage lighting rigs and small to medium PA systems. The 32A variant supports up to 22 kW, used for larger productions, multiple distributed loads or high-power equipment like large moving lights and amplifier racks. Physically, 32A connectors are larger with thicker pins, and they require correspondingly larger cable cross-sections (typically 5×4.0 mm² vs. 5×1.5 mm² for 16A). The two types are not interchangeable — a 16A plug will not fit a 32A socket.

When do I need a DMX terminator?

A DMX terminator is required on any DMX512 lighting control network longer than approximately 50 metres or with more than 20 fixtures in the daisy chain. The terminator — a 120-ohm resistor connected between DMX pins 2 and 3 (Data+ and Data–) — is installed at the last fixture in the chain. It absorbs signal reflections that would otherwise bounce back along the cable, causing data corruption, flickering or erratic fixture behaviour. Without proper termination, long cable runs or large fixture counts often result in unreliable operation, especially with fast-moving effects or strobing. Professional DMX terminators are available as XLR plug-in modules, or you can solder a 120-ohm resistor into a spare XLR connector.

What types of plug connections are used in event technology?

Professional event technology uses several standardised connector types. CEE connectors (IEC 60309) in 16A, 32A and 63A variants handle three-phase power distribution, with colour coding (blue for 230 V, red for 400 V) preventing mis-connection. Schuko (Schutzkontakt) plugs and sockets are standard for 230 V single-phase equipment. XLR connectors in 3-pin and 5-pin versions carry DMX lighting control and analogue audio signals. powerCON connectors (by Neutrik) provide a locking mains connection for powered loudspeakers and lighting fixtures, safer and more reliable than IEC C13/C14. Speakon connectors (also Neutrik) are the professional standard for speaker cables, offering secure locking and high current capacity. Each connector type is optimised for its specific application, ensuring safety and reliability in demanding production environments.

How do I calculate the load for a power distributor?

To calculate the load for a power distributor, sum the power consumption (in watts) of all connected equipment, then divide by the supply voltage to obtain current in amperes. For single-phase 230 V loads, use the formula: Current (A) = Power (W) ÷ 230. For three-phase 400 V loads, the calculation is: Current (A) = Power (W) ÷ (√3 × 400) ÷ efficiency factor. Always add a 20–30% safety margin to account for inrush currents, power factor and future expansion. Ensure loads are balanced across all three phases (L1, L2, L3) to prevent neutral overload. Check that the total current does not exceed the distributor's input rating (e.g. 16A for a CEE 16A input) and that individual outlet circuits remain within their rated capacity.

Which DMX cable should I buy for stage lighting?

For professional stage lighting, always use purpose-designed DMX512 cable with 110-ohm impedance and twisted-pair construction. Look for cables with robust shielding (foil plus braid, minimum 90% coverage) to prevent interference from nearby power cables. Brands like Sommer Cable, Cordial and Helukabel offer high-quality DMX cables with flexible, durable jackets suitable for touring. Choose 3-pin XLR for standard applications or 5-pin XLR for future compatibility and enhanced grounding. Avoid using standard microphone cables for DMX — they lack the correct impedance and shielding, leading to signal errors and unreliable operation. For permanent installations, specify UV-resistant or flame-retardant jackets as required by the environment.

What does IP44 protection mean for power distributors?

IP44 (Ingress Protection rating 44) indicates that a power distributor is protected against solid objects larger than 1 mm (e.g. wires, small tools) and against water splashes from any direction. The first digit (4) denotes protection against solid particles; the second digit (4) denotes protection against water. IP44 is the minimum standard for outdoor event equipment, ensuring safe operation in rain, damp conditions and dusty environments like festival sites or construction areas. However, IP44 does not mean the equipment is waterproof — it should not be submerged or exposed to high-pressure water jets. For harsher conditions, look for IP54 (dust-protected) or IP67 (dust-tight and waterproof) distributors.

How long can a DMX cable run be before signal quality degrades?

A properly terminated DMX512 cable run can reliably extend up to 300–400 metres before signal degradation becomes problematic, though the official DMX512 specification recommends a maximum of 250 metres. Beyond this distance, signal attenuation, capacitance and electromagnetic interference increase the risk of data errors, resulting in flickering, colour shifts or fixture dropouts. For longer runs, use a DMX splitter or booster to regenerate the signal — these devices receive the incoming DMX data, clean it up and retransmit it at full strength, effectively resetting the distance limit. Optical DMX systems extend this further, converting electrical signals to light and transmitting over fibre-optic cable for distances exceeding several kilometres with zero signal loss or interference.

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OMNITRONIC XLR cable 3pin 3m bu

Package contents 1 x adapter cable • Cable construction: Audio cable • Cable length: 3 m • Plug A: 1 x 3-pin XLR (M) • Plug B: 1 x 3-pin XLR (F) • Color: Blue...

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OMNITRONIC Adapter Klinke(M)/Klinke(M) mono Met 10x

OMNITRONIC Adapter Jack(M)/Jack(M) mono metal

Plug A: 1 x 6.3 mm jack (mono) • Plug B: 1 x 6.3 mm jack (mono) • Weight: 11 g •

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HICON Jack plug 6.3 HI-J63MA06

HICON • Connector type: 6.3 mm angle jack (mono) • Construction: Plug for cable • Connections: Solder tail • Use of brands: HICON • Material: Metal • Color: Black...

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OMNITRONIC XLR cable 3pin 3m rd

Package contents 1 x XLR cable • Cable construction: Audio cable • Cable length: 3 m • Plug A: 1 x 3-pin XLR (M) • Plug B: 1 x 3-pin XLR (F) • Color: Red • Weight:...

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OMNITRONIC XLR cable 3pin 5m rd

Package contents 1 x XLR cable • Cable construction: Audio cable • Cable length: 5 m • Plug A: 1 x 3-pin XLR (M) • Plug B: 1 x 3-pin XLR (F) • Color: Red • Weight:...

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PSSO DMX cable XLR 3pin 3m bk Neutrik

High-quality DMX cable Adheres to the DMX standard USITT DMX-512/1990/-A • Highly flexible • Electric cable with good shielding • Robust version • For building DMX controlled...

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PSSO DMX cable XLR 3pin 5m bk Neutrik

High-quality DMX cable Adheres to the DMX standard USITT DMX-512/1990/-A • Highly flexible • Electric cable with good shielding • Robust version • For building DMX controlled...

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PSSO DMX cable XLR 3pin 10m bk Neutrik

High-quality DMX cable Adheres to the DMX standard USITT DMX-512/1990/-A • Highly flexible • Electric cable with good shielding • Robust version • For building DMX controlled...

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PSSO DMX cable XLR 5pin 5m bk Neutrik

High-quality DMX cable Adheres to the DMX standard USITT DMX-512/1990/-A • Highly flexible • Electric cable with good shielding • Robust version • For building DMX controlled...

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PSSO DMX cable XLR 5pin 10m bk Neutrik

High-quality DMX cable Adheres to the DMX standard USITT DMX-512/1990/-A • Highly flexible • Electric cable with good shielding • Robust version • For building DMX controlled...

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PSSO DMX cable XLR 5pin 20m bk Neutrik

High-quality DMX cable Adheres to the DMX standard USITT DMX-512/1990/-A • Highly flexible • Electric cable with good shielding • Robust version • For building DMX controlled...

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PSSO XLR cable 3pin 1.5m bk Neutrik

Reliable microphone cable High quality connection for microphones etc. • High conductivity • Slim and short construction • Built with NEUTRIK connector • Made in Germany...

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PSSO XLR cable 3pin 3m bk Neutrik

Reliable microphone cable High quality connection for microphones etc. • High conductivity • Slim and short construction • Made in Germany • plug (male) Built with NEUTRIK...

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PSSO XLR cable 3pin 5m bk Neutrik

Reliable microphone cable High quality connection for microphones etc. • High conductivity • Slim and short construction • Made in Germany • plug (male) Built with NEUTRIK...

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PSSO XLR cable 3pin 7.5m bk Neutrik

Reliable microphone cable High quality connection for microphones etc. • High conductivity • Slim and short construction • Built with NEUTRIK connector • Made in Germany...

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PSSO XLR cable 3pin 10m bk Neutrik

Reliable microphone cable High quality connection for microphones etc. • High conductivity • Slim and short construction • Built with NEUTRIK connector • Made in Germany...

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PSSO PowerCon Netzkabel 3x2,5 3m H07RN-F

PSSO PowerCon Power Cable 3x2.5 3m H07RN-F

Built with NEUTRIK connector • Made in Germany • Package contents 1 x power cord • Cable construction: 3 x 2,5 mm² H07RN-F • Cable length: 3 m • Plug A: 1 x safety...

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PSSO PowerCon Netzkabel 3x2,5 5m H07RN-F

PSSO PowerCon Power Cable 3x2.5 5m H07RN-F

Built with NEUTRIK connector • Made in Germany • Package contents 1 x power cord • Cable construction: 3 x 2,5 mm² H07RN-F • Cable length: 5 m • Plug A: 1 x safety...

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PSSO PowerCon Netzkabel 3x1,5 1m H07RN-F

PSSO PowerCon Power Cable 3x1.5 1m H07RN-F

Built with NEUTRIK connector • Made in Europe • Package contents 1 x power cord • Cable construction: 3 x 1,5 mm² power cable • Cable length: 1 m • Plug A: 1 x safety...

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PSSO Patch Cable XLR(F)/XLR(M) S 1m bk

Built with NEUTRIK connector • Made in Germany • Package contents 1 x XLR cable, 2 x screw • Cable construction: 2 x 0,34 mm² audio cable • Cable length: 1 m • Plug A:...

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PSSO CEE Verlängerung 16A 5x2,5 10m Black Edition

PSSO CEE Extension 16A 5x2.5 10m Black Edition

Extension cable for the entertainment industry Heavy rubber coating with PCE Shark CEE plug and connector • Not comparable with do-it-yourself providers • Suitable for outdoor use...

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PSSO CEE Verlängerung 16A 5x2,5 25m Black Edition

PSSO CEE Extension 16A 5x2.5 25m Black Edition

Extension cable for the entertainment industry Heavy rubber coating with PCE Shark CEE plug and connector • Not comparable with do-it-yourself providers • Suitable for outdoor use...

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PSSO Speaker cable XLR 2x2.5 3m bk

High-quality speaker cable Suitable for all passive speaker-systems with XLR socket • 2.5 mm² thick cores for amplified signals without signal loss • Not to be used as microphone...

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OMNITRONIC XLR Buchse/Stecker Set 3pol schwarzes Gehäuse 5x

OMNITRONIC XLR socket/plug set 3pin black housing 5x

With its XLR connectors with black housing, Omnitronic offers the possibility to install the cables and connectors on the stage or in the truss without being noticed. Set of ten XLR connectors Each...

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Professional Cables, Connectors and Power Distribution for Event Technology: Whether you're setting up a stage lighting rig, installing a sound system or building a complex event infrastructure — reliable cables, robust connectors and professional power distributors are the backbone of every successful production. At LTT, you'll find everything you need to connect, power and control your lighting installation: from DMX and XLR signal cables... Read more »

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